Class: AWS.WAFV2
- Inherits:
-
AWS.Service
- Object
- AWS.Service
- AWS.WAFV2
- Identifier:
- wafv2
- API Version:
- 2019-07-29
- Defined in:
- (unknown)
Overview
Constructs a service interface object. Each API operation is exposed as a function on service.
Service Description
WAF is a web application firewall that lets you monitor the HTTP and HTTPS requests that are forwarded to an Amazon CloudFront distribution, Amazon API Gateway REST API, Application Load Balancer, AppSync GraphQL API, Amazon Cognito user pool, or App Runner service. WAF also lets you control access to your content, to protect the Amazon Web Services resource that WAF is monitoring. Based on conditions that you specify, such as the IP addresses that requests originate from or the values of query strings, the protected resource responds to requests with either the requested content, an HTTP 403 status code (Forbidden), or with a custom response.
This API guide is for developers who need detailed information about WAF API actions, data types, and errors. For detailed information about WAF features and guidance for configuring and using WAF, see the WAF Developer Guide.
You can make calls using the endpoints listed in WAF endpoints and quotas.
-
For regional applications, you can use any of the endpoints in the list. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
-
For Amazon CloudFront applications, you must use the API endpoint listed for US East (N. Virginia): us-east-1.
Alternatively, you can use one of the Amazon Web Services SDKs to access an API that's tailored to the programming language or platform that you're using. For more information, see Amazon Web Services SDKs.
We currently provide two versions of the WAF API: this API and the prior versions, the classic WAF APIs. This new API provides the same functionality as the older versions, with the following major improvements:
-
You use one API for both global and regional applications. Where you need to distinguish the scope, you specify a
Scope
parameter and set it toCLOUDFRONT
orREGIONAL
. -
You can define a web ACL or rule group with a single call, and update it with a single call. You define all rule specifications in JSON format, and pass them to your rule group or web ACL calls.
-
The limits WAF places on the use of rules more closely reflects the cost of running each type of rule. Rule groups include capacity settings, so you know the maximum cost of a rule group when you use it.
Sending a Request Using WAFV2
var wafv2 = new AWS.WAFV2();
wafv2.associateWebACL(params, function (err, data) {
if (err) console.log(err, err.stack); // an error occurred
else console.log(data); // successful response
});
Locking the API Version
In order to ensure that the WAFV2 object uses this specific API, you can
construct the object by passing the apiVersion
option to the constructor:
var wafv2 = new AWS.WAFV2({apiVersion: '2019-07-29'});
You can also set the API version globally in AWS.config.apiVersions
using
the wafv2 service identifier:
AWS.config.apiVersions = {
wafv2: '2019-07-29',
// other service API versions
};
var wafv2 = new AWS.WAFV2();
Version:
-
2019-07-29
Constructor Summary collapse
-
new AWS.WAFV2(options = {}) ⇒ Object
constructor
Constructs a service object.
Property Summary collapse
-
endpoint ⇒ AWS.Endpoint
readwrite
An Endpoint object representing the endpoint URL for service requests.
Properties inherited from AWS.Service
Method Summary collapse
-
associateWebACL(params = {}, callback) ⇒ AWS.Request
Associates a web ACL with a regional application resource, to protect the resource.
-
checkCapacity(params = {}, callback) ⇒ AWS.Request
Returns the web ACL capacity unit (WCU) requirements for a specified scope and set of rules.
-
createIPSet(params = {}, callback) ⇒ AWS.Request
Creates an IPSet, which you use to identify web requests that originate from specific IP addresses or ranges of IP addresses.
-
createRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Creates a RegexPatternSet, which you reference in a RegexPatternSetReferenceStatement, to have WAF inspect a web request component for the specified patterns.
.
-
createRuleGroup(params = {}, callback) ⇒ AWS.Request
Creates a RuleGroup per the specifications provided.
-
createWebACL(params = {}, callback) ⇒ AWS.Request
Creates a WebACL per the specifications provided.
A web ACL defines a collection of rules to use to inspect and control web requests.
-
deleteFirewallManagerRuleGroups(params = {}, callback) ⇒ AWS.Request
Deletes all rule groups that are managed by Firewall Manager for the specified web ACL.
-
deleteIPSet(params = {}, callback) ⇒ AWS.Request
Deletes the specified IPSet.
-
deleteLoggingConfiguration(params = {}, callback) ⇒ AWS.Request
Deletes the LoggingConfiguration from the specified web ACL.
.
-
deletePermissionPolicy(params = {}, callback) ⇒ AWS.Request
Permanently deletes an IAM policy from the specified rule group.
You must be the owner of the rule group to perform this operation.
. -
deleteRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Deletes the specified RegexPatternSet.
.
-
deleteRuleGroup(params = {}, callback) ⇒ AWS.Request
Deletes the specified RuleGroup.
.
-
deleteWebACL(params = {}, callback) ⇒ AWS.Request
Deletes the specified WebACL.
-
describeManagedRuleGroup(params = {}, callback) ⇒ AWS.Request
Provides high-level information for a managed rule group, including descriptions of the rules.
-
disassociateWebACL(params = {}, callback) ⇒ AWS.Request
Disassociates the specified regional application resource from any existing web ACL association.
-
generateMobileSdkReleaseUrl(params = {}, callback) ⇒ AWS.Request
Generates a presigned download URL for the specified release of the mobile SDK.
The mobile SDK is not generally available.
-
getIPSet(params = {}, callback) ⇒ AWS.Request
Retrieves the specified IPSet.
.
-
getLoggingConfiguration(params = {}, callback) ⇒ AWS.Request
Returns the LoggingConfiguration for the specified web ACL.
.
-
getManagedRuleSet(params = {}, callback) ⇒ AWS.Request
Retrieves the specified managed rule set.
-
getMobileSdkRelease(params = {}, callback) ⇒ AWS.Request
Retrieves information for the specified mobile SDK release, including release notes and tags.
The mobile SDK is not generally available.
-
getPermissionPolicy(params = {}, callback) ⇒ AWS.Request
Returns the IAM policy that is attached to the specified rule group.
You must be the owner of the rule group to perform this operation.
. -
getRateBasedStatementManagedKeys(params = {}, callback) ⇒ AWS.Request
Retrieves the keys that are currently blocked by a rate-based rule instance.
-
getRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Retrieves the specified RegexPatternSet.
.
-
getRuleGroup(params = {}, callback) ⇒ AWS.Request
Retrieves the specified RuleGroup.
.
-
getSampledRequests(params = {}, callback) ⇒ AWS.Request
Gets detailed information about a specified number of requests--a sample--that WAF randomly selects from among the first 5,000 requests that your Amazon Web Services resource received during a time range that you choose.
-
getWebACL(params = {}, callback) ⇒ AWS.Request
Retrieves the specified WebACL.
.
-
getWebACLForResource(params = {}, callback) ⇒ AWS.Request
Retrieves the WebACL for the specified resource.
-
listAvailableManagedRuleGroups(params = {}, callback) ⇒ AWS.Request
Retrieves an array of managed rule groups that are available for you to use.
-
listAvailableManagedRuleGroupVersions(params = {}, callback) ⇒ AWS.Request
Returns a list of the available versions for the specified managed rule group.
-
listIPSets(params = {}, callback) ⇒ AWS.Request
Retrieves an array of IPSetSummary objects for the IP sets that you manage.
.
-
listLoggingConfigurations(params = {}, callback) ⇒ AWS.Request
Retrieves an array of your LoggingConfiguration objects.
.
-
listManagedRuleSets(params = {}, callback) ⇒ AWS.Request
Retrieves the managed rule sets that you own.
-
listMobileSdkReleases(params = {}, callback) ⇒ AWS.Request
Retrieves a list of the available releases for the mobile SDK and the specified device platform.
-
listRegexPatternSets(params = {}, callback) ⇒ AWS.Request
Retrieves an array of RegexPatternSetSummary objects for the regex pattern sets that you manage.
.
-
listResourcesForWebACL(params = {}, callback) ⇒ AWS.Request
Retrieves an array of the Amazon Resource Names (ARNs) for the regional resources that are associated with the specified web ACL.
-
listRuleGroups(params = {}, callback) ⇒ AWS.Request
Retrieves an array of RuleGroupSummary objects for the rule groups that you manage.
-
listTagsForResource(params = {}, callback) ⇒ AWS.Request
Retrieves the TagInfoForResource for the specified resource.
-
listWebACLs(params = {}, callback) ⇒ AWS.Request
Retrieves an array of WebACLSummary objects for the web ACLs that you manage.
.
-
putLoggingConfiguration(params = {}, callback) ⇒ AWS.Request
Enables the specified LoggingConfiguration, to start logging from a web ACL, according to the configuration provided.
-
putManagedRuleSetVersions(params = {}, callback) ⇒ AWS.Request
Defines the versions of your managed rule set that you are offering to the customers.
-
putPermissionPolicy(params = {}, callback) ⇒ AWS.Request
Attaches an IAM policy to the specified resource.
-
tagResource(params = {}, callback) ⇒ AWS.Request
Associates tags with the specified Amazon Web Services resource.
-
untagResource(params = {}, callback) ⇒ AWS.Request
Disassociates tags from an Amazon Web Services resource.
-
updateIPSet(params = {}, callback) ⇒ AWS.Request
Updates the specified IPSet.
-
updateManagedRuleSetVersionExpiryDate(params = {}, callback) ⇒ AWS.Request
Updates the expiration information for your managed rule set.
-
updateRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Updates the specified RegexPatternSet.
Note: This operation completely replaces the mutable specifications that you already have for the regex pattern set with the ones that you provide to this call.- updateRuleGroup(params = {}, callback) ⇒ AWS.Request
Updates the specified RuleGroup.
Note: This operation completely replaces the mutable specifications that you already have for the rule group with the ones that you provide to this call.- updateWebACL(params = {}, callback) ⇒ AWS.Request
Updates the specified WebACL.
Methods inherited from AWS.Service
makeRequest, makeUnauthenticatedRequest, waitFor, setupRequestListeners, defineService
Constructor Details
new AWS.WAFV2(options = {}) ⇒ Object
Constructs a service object. This object has one method for each API operation.
Examples:
Constructing a WAFV2 object
var wafv2 = new AWS.WAFV2({apiVersion: '2019-07-29'});
Options Hash (options):
-
params
(map)
—
An optional map of parameters to bind to every request sent by this service object. For more information on bound parameters, see "Working with Services" in the Getting Started Guide.
-
endpoint
(String|AWS.Endpoint)
—
The endpoint URI to send requests to. The default endpoint is built from the configured
region
. The endpoint should be a string like'https://{service}.{region}.amazonaws.com'
or an Endpoint object. -
accessKeyId
(String)
—
your AWS access key ID.
-
secretAccessKey
(String)
—
your AWS secret access key.
-
sessionToken
(AWS.Credentials)
—
the optional AWS session token to sign requests with.
-
credentials
(AWS.Credentials)
—
the AWS credentials to sign requests with. You can either specify this object, or specify the accessKeyId and secretAccessKey options directly.
-
credentialProvider
(AWS.CredentialProviderChain)
—
the provider chain used to resolve credentials if no static
credentials
property is set. -
region
(String)
—
the region to send service requests to. See AWS.WAFV2.region for more information.
-
maxRetries
(Integer)
—
the maximum amount of retries to attempt with a request. See AWS.WAFV2.maxRetries for more information.
-
maxRedirects
(Integer)
—
the maximum amount of redirects to follow with a request. See AWS.WAFV2.maxRedirects for more information.
-
sslEnabled
(Boolean)
—
whether to enable SSL for requests.
-
paramValidation
(Boolean|map)
—
whether input parameters should be validated against the operation description before sending the request. Defaults to true. Pass a map to enable any of the following specific validation features:
- min [Boolean] — Validates that a value meets the min
constraint. This is enabled by default when paramValidation is set
to
true
. - max [Boolean] — Validates that a value meets the max constraint.
- pattern [Boolean] — Validates that a string value matches a regular expression.
- enum [Boolean] — Validates that a string value matches one of the allowable enum values.
- min [Boolean] — Validates that a value meets the min
constraint. This is enabled by default when paramValidation is set
to
-
computeChecksums
(Boolean)
—
whether to compute checksums for payload bodies when the service accepts it (currently supported in S3 only)
-
convertResponseTypes
(Boolean)
—
whether types are converted when parsing response data. Currently only supported for JSON based services. Turning this off may improve performance on large response payloads. Defaults to
true
. -
correctClockSkew
(Boolean)
—
whether to apply a clock skew correction and retry requests that fail because of an skewed client clock. Defaults to
false
. -
s3ForcePathStyle
(Boolean)
—
whether to force path style URLs for S3 objects.
-
s3BucketEndpoint
(Boolean)
—
whether the provided endpoint addresses an individual bucket (false if it addresses the root API endpoint). Note that setting this configuration option requires an
endpoint
to be provided explicitly to the service constructor. -
s3DisableBodySigning
(Boolean)
—
whether S3 body signing should be disabled when using signature version
v4
. Body signing can only be disabled when using https. Defaults totrue
. -
s3UsEast1RegionalEndpoint
('legacy'|'regional')
—
when region is set to 'us-east-1', whether to send s3 request to global endpoints or 'us-east-1' regional endpoints. This config is only applicable to S3 client. Defaults to
legacy
-
s3UseArnRegion
(Boolean)
—
whether to override the request region with the region inferred from requested resource's ARN. Only available for S3 buckets Defaults to
true
-
retryDelayOptions
(map)
—
A set of options to configure the retry delay on retryable errors. Currently supported options are:
- base [Integer] — The base number of milliseconds to use in the exponential backoff for operation retries. Defaults to 100 ms for all services except DynamoDB, where it defaults to 50ms.
- customBackoff [function] — A custom function that accepts a
retry count and error and returns the amount of time to delay in
milliseconds. If the result is a non-zero negative value, no further
retry attempts will be made. The
base
option will be ignored if this option is supplied. The function is only called for retryable errors.
-
httpOptions
(map)
—
A set of options to pass to the low-level HTTP request. Currently supported options are:
- proxy [String] — the URL to proxy requests through
- agent [http.Agent, https.Agent] — the Agent object to perform
HTTP requests with. Used for connection pooling. Defaults to the global
agent (
http.globalAgent
) for non-SSL connections. Note that for SSL connections, a special Agent object is used in order to enable peer certificate verification. This feature is only available in the Node.js environment. - connectTimeout [Integer] — Sets the socket to timeout after
failing to establish a connection with the server after
connectTimeout
milliseconds. This timeout has no effect once a socket connection has been established. - timeout [Integer] — Sets the socket to timeout after timeout milliseconds of inactivity on the socket. Defaults to two minutes (120000).
- xhrAsync [Boolean] — Whether the SDK will send asynchronous HTTP requests. Used in the browser environment only. Set to false to send requests synchronously. Defaults to true (async on).
- xhrWithCredentials [Boolean] — Sets the "withCredentials" property of an XMLHttpRequest object. Used in the browser environment only. Defaults to false.
-
apiVersion
(String, Date)
—
a String in YYYY-MM-DD format (or a date) that represents the latest possible API version that can be used in all services (unless overridden by
apiVersions
). Specify 'latest' to use the latest possible version. -
apiVersions
(map<String, String|Date>)
—
a map of service identifiers (the lowercase service class name) with the API version to use when instantiating a service. Specify 'latest' for each individual that can use the latest available version.
-
logger
(#write, #log)
—
an object that responds to .write() (like a stream) or .log() (like the console object) in order to log information about requests
-
systemClockOffset
(Number)
—
an offset value in milliseconds to apply to all signing times. Use this to compensate for clock skew when your system may be out of sync with the service time. Note that this configuration option can only be applied to the global
AWS.config
object and cannot be overridden in service-specific configuration. Defaults to 0 milliseconds. -
signatureVersion
(String)
—
the signature version to sign requests with (overriding the API configuration). Possible values are: 'v2', 'v3', 'v4'.
-
signatureCache
(Boolean)
—
whether the signature to sign requests with (overriding the API configuration) is cached. Only applies to the signature version 'v4'. Defaults to
true
. -
dynamoDbCrc32
(Boolean)
—
whether to validate the CRC32 checksum of HTTP response bodies returned by DynamoDB. Default:
true
. -
useAccelerateEndpoint
(Boolean)
—
Whether to use the S3 Transfer Acceleration endpoint with the S3 service. Default:
false
. -
clientSideMonitoring
(Boolean)
—
whether to collect and publish this client's performance metrics of all its API requests.
-
endpointDiscoveryEnabled
(Boolean|undefined)
—
whether to call operations with endpoints given by service dynamically. Setting this
-
endpointCacheSize
(Number)
—
the size of the global cache storing endpoints from endpoint discovery operations. Once endpoint cache is created, updating this setting cannot change existing cache size. Defaults to 1000
-
hostPrefixEnabled
(Boolean)
—
whether to marshal request parameters to the prefix of hostname. Defaults to
true
. -
stsRegionalEndpoints
('legacy'|'regional')
—
whether to send sts request to global endpoints or regional endpoints. Defaults to 'legacy'.
-
useFipsEndpoint
(Boolean)
—
Enables FIPS compatible endpoints. Defaults to
false
. -
useDualstackEndpoint
(Boolean)
—
Enables IPv6 dualstack endpoint. Defaults to
false
.
Property Details
Method Details
associateWebACL(params = {}, callback) ⇒ AWS.Request
Associates a web ACL with a regional application resource, to protect the resource. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
For Amazon CloudFront, don't use this call. Instead, use your CloudFront distribution configuration. To associate a web ACL, in the CloudFront call
UpdateDistribution
, set the web ACL ID to the Amazon Resource Name (ARN) of the web ACL. For information, see UpdateDistribution.When you make changes to web ACLs or web ACL components, like rules and rule groups, WAF propagates the changes everywhere that the web ACL and its components are stored and used. Your changes are applied within seconds, but there might be a brief period of inconsistency when the changes have arrived in some places and not in others. So, for example, if you change a rule action setting, the action might be the old action in one area and the new action in another area. Or if you add an IP address to an IP set used in a blocking rule, the new address might briefly be blocked in one area while still allowed in another. This temporary inconsistency can occur when you first associate a web ACL with an Amazon Web Services resource and when you change a web ACL that is already associated with a resource. Generally, any inconsistencies of this type last only a few seconds.
Service Reference:
Examples:
Calling the associateWebACL operation
var params = { ResourceArn: 'STRING_VALUE', /* required */ WebACLArn: 'STRING_VALUE' /* required */ }; wafv2.associateWebACL(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
WebACLArn
— (String
)The Amazon Resource Name (ARN) of the web ACL that you want to associate with the resource.
ResourceArn
— (String
)The Amazon Resource Name (ARN) of the resource to associate with the web ACL.
The ARN must be in one of the following formats:
-
For an Application Load Balancer:
arn:aws:elasticloadbalancing:region:account-id:loadbalancer/app/load-balancer-name/load-balancer-id
-
For an Amazon API Gateway REST API:
arn:aws:apigateway:region::/restapis/api-id/stages/stage-name
-
For an AppSync GraphQL API:
arn:aws:appsync:region:account-id:apis/GraphQLApiId
-
For an Amazon Cognito user pool:
arn:aws:cognito-idp:region:account-id:userpool/user-pool-id
-
For an App Runner service:
arn:aws:apprunner:region:account-id:service/apprunner-service-name/apprunner-service-id
-
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
checkCapacity(params = {}, callback) ⇒ AWS.Request
Returns the web ACL capacity unit (WCU) requirements for a specified scope and set of rules. You can use this to check the capacity requirements for the rules you want to use in a RuleGroup or WebACL.
WAF uses WCUs to calculate and control the operating resources that are used to run your rules, rule groups, and web ACLs. WAF calculates capacity differently for each rule type, to reflect the relative cost of each rule. Simple rules that cost little to run use fewer WCUs than more complex rules that use more processing power. Rule group capacity is fixed at creation, which helps users plan their web ACL WCU usage when they use a rule group. The WCU limit for web ACLs is 1,500.
Service Reference:
Examples:
Calling the checkCapacity operation
var params = { Rules: [ /* required */ { Name: 'STRING_VALUE', /* required */ Priority: 'NUMBER_VALUE', /* required */ Statement: { /* Statement */ /* required */ AndStatement: { Statements: [ /* required */ /* recursive Statement */, /* more items */ ] }, ByteMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, PositionalConstraint: EXACTLY | STARTS_WITH | ENDS_WITH | CONTAINS | CONTAINS_WORD, /* required */ SearchString: Buffer.from('...') || 'STRING_VALUE' /* Strings will be Base-64 encoded on your behalf */, /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, GeoMatchStatement: { CountryCodes: [ AF | AX | AL | DZ | AS | AD | AO | AI | AQ | AG | AR | AM | AW | AU | AT | AZ | BS | BH | BD | BB | BY | BE | BZ | BJ | BM | BT | BO | BQ | BA | BW | BV | BR | IO | BN | BG | BF | BI | KH | CM | CA | CV | KY | CF | TD | CL | CN | CX | CC | CO | KM | CG | CD | CK | CR | CI | HR | CU | CW | CY | CZ | DK | DJ | DM | DO | EC | EG | SV | GQ | ER | EE | ET | FK | FO | FJ | FI | FR | GF | PF | TF | GA | GM | GE | DE | GH | GI | GR | GL | GD | GP | GU | GT | GG | GN | GW | GY | HT | HM | VA | HN | HK | HU | IS | IN | ID | IR | IQ | IE | IM | IL | IT | JM | JP | JE | JO | KZ | KE | KI | KP | KR | KW | KG | LA | LV | LB | LS | LR | LY | LI | LT | LU | MO | MK | MG | MW | MY | MV | ML | MT | MH | MQ | MR | MU | YT | MX | FM | MD | MC | MN | ME | MS | MA | MZ | MM | NA | NR | NP | NL | NC | NZ | NI | NE | NG | NU | NF | MP | NO | OM | PK | PW | PS | PA | PG | PY | PE | PH | PN | PL | PT | PR | QA | RE | RO | RU | RW | BL | SH | KN | LC | MF | PM | VC | WS | SM | ST | SA | SN | RS | SC | SL | SG | SX | SK | SI | SB | SO | ZA | GS | SS | ES | LK | SD | SR | SJ | SZ | SE | CH | SY | TW | TJ | TZ | TH | TL | TG | TK | TO | TT | TN | TR | TM | TC | TV | UG | UA | AE | GB | US | UM | UY | UZ | VU | VE | VN | VG | VI | WF | EH | YE | ZM | ZW | XK, /* more items */ ], ForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE' /* required */ } }, IPSetReferenceStatement: { ARN: 'STRING_VALUE', /* required */ IPSetForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE', /* required */ Position: FIRST | LAST | ANY /* required */ } }, LabelMatchStatement: { Key: 'STRING_VALUE', /* required */ Scope: LABEL | NAMESPACE /* required */ }, ManagedRuleGroupStatement: { Name: 'STRING_VALUE', /* required */ VendorName: 'STRING_VALUE', /* required */ ExcludedRules: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ], ManagedRuleGroupConfigs: [ { AWSManagedRulesATPRuleSet: { LoginPath: 'STRING_VALUE', /* required */ RequestInspection: { PasswordField: { /* required */ Identifier: 'STRING_VALUE' /* required */ }, PayloadType: JSON | FORM_ENCODED, /* required */ UsernameField: { /* required */ Identifier: 'STRING_VALUE' /* required */ } }, ResponseInspection: { BodyContains: { FailureStrings: [ /* required */ 'STRING_VALUE', /* more items */ ], SuccessStrings: [ /* required */ 'STRING_VALUE', /* more items */ ] }, Header: { FailureValues: [ /* required */ 'STRING_VALUE', /* more items */ ], Name: 'STRING_VALUE', /* required */ SuccessValues: [ /* required */ 'STRING_VALUE', /* more items */ ] }, Json: { FailureValues: [ /* required */ 'STRING_VALUE', /* more items */ ], Identifier: 'STRING_VALUE', /* required */ SuccessValues: [ /* required */ 'STRING_VALUE', /* more items */ ] }, StatusCode: { FailureCodes: [ /* required */ 'NUMBER_VALUE', /* more items */ ], SuccessCodes: [ /* required */ 'NUMBER_VALUE', /* more items */ ] } } }, AWSManagedRulesBotControlRuleSet: { InspectionLevel: COMMON | TARGETED /* required */ }, LoginPath: 'STRING_VALUE', PasswordField: { Identifier: 'STRING_VALUE' /* required */ }, PayloadType: JSON | FORM_ENCODED, UsernameField: { Identifier: 'STRING_VALUE' /* required */ } }, /* more items */ ], RuleActionOverrides: [ { ActionToUse: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE' /* required */ }, /* more items */ ], ScopeDownStatement: /* recursive Statement */, Version: 'STRING_VALUE' }, NotStatement: { Statement: /* recursive Statement */ }, OrStatement: { Statements: [ /* required */ /* recursive Statement */, /* more items */ ] }, RateBasedStatement: { AggregateKeyType: IP | FORWARDED_IP, /* required */ Limit: 'NUMBER_VALUE', /* required */ ForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE' /* required */ }, ScopeDownStatement: /* recursive Statement */ }, RegexMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, RegexString: 'STRING_VALUE', /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, RegexPatternSetReferenceStatement: { ARN: 'STRING_VALUE', /* required */ FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, RuleGroupReferenceStatement: { ARN: 'STRING_VALUE', /* required */ ExcludedRules: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ], RuleActionOverrides: [ { ActionToUse: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE' /* required */ }, /* more items */ ] }, SizeConstraintStatement: { ComparisonOperator: EQ | NE | LE | LT | GE | GT, /* required */ FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, Size: 'NUMBER_VALUE', /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, SqliMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ], SensitivityLevel: LOW | HIGH }, XssMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] } }, VisibilityConfig: { /* required */ CloudWatchMetricsEnabled: true || false, /* required */ MetricName: 'STRING_VALUE', /* required */ SampledRequestsEnabled: true || false /* required */ }, Action: { Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, CaptchaConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, ChallengeConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, OverrideAction: { Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, None: { } }, RuleLabels: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ] }, /* more items */ ], Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.checkCapacity(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Rules
— (Array<map>
)An array of Rule that you're configuring to use in a rule group or web ACL.
Name
— required — (String
)The name of the rule. You can't change the name of a
Rule
after you create it.Priority
— required — (Integer
)If you define more than one
Rule
in aWebACL
, WAF evaluates each request against theRules
in order based on the value ofPriority
. WAF processes rules with lower priority first. The priorities don't need to be consecutive, but they must all be different.Statement
— required — (map
)The WAF processing statement for the rule, for example ByteMatchStatement or SizeConstraintStatement.
ByteMatchStatement
— (map
)A rule statement that defines a string match search for WAF to apply to web requests. The byte match statement provides the bytes to search for, the location in requests that you want WAF to search, and other settings. The bytes to search for are typically a string that corresponds with ASCII characters. In the WAF console and the developer guide, this is called a string match statement.
SearchString
— required — (Buffer, Typed Array, Blob, String
)A string value that you want WAF to search for. WAF searches only in the part of web requests that you designate for inspection in FieldToMatch. The maximum length of the value is 200 bytes.
Valid values depend on the component that you specify for inspection in
FieldToMatch
:-
Method
: The HTTP method that you want WAF to search for. This indicates the type of operation specified in the request. -
UriPath
: The value that you want WAF to search for in the URI path, for example,/images/daily-ad.jpg
.
If
SearchString
includes alphabetic characters A-Z and a-z, note that the value is case sensitive.If you're using the WAF API
Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode it is 200 bytes.
For example, suppose the value of
Type
isHEADER
and the value ofData
isUser-Agent
. If you want to search theUser-Agent
header for the valueBadBot
, you base64-encodeBadBot
using MIME base64-encoding and include the resulting value,QmFkQm90
, in the value ofSearchString
.If you're using the CLI or one of the Amazon Web Services SDKs
The value that you want WAF to search for. The SDK automatically base64 encodes the value.
-
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
PositionalConstraint
— required — (String
)The area within the portion of the web request that you want WAF to search for
SearchString
. Valid values include the following:CONTAINS
The specified part of the web request must include the value of
SearchString
, but the location doesn't matter.CONTAINS_WORD
The specified part of the web request must include the value of
SearchString
, andSearchString
must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or ). In addition,SearchString
must be a word, which means that both of the following are true:-
SearchString
is at the beginning of the specified part of the web request or is preceded by a character other than an alphanumeric character or underscore (). Examples include the value of a header and;BadBot
. -
SearchString
is at the end of the specified part of the web request or is followed by a character other than an alphanumeric character or underscore (_), for example,BadBot;
and-BadBot;
.
EXACTLY
The value of the specified part of the web request must exactly match the value of
SearchString
.STARTS_WITH
The value of
SearchString
must appear at the beginning of the specified part of the web request.ENDS_WITH
The value of
Possible values include:SearchString
must appear at the end of the specified part of the web request."EXACTLY"
"STARTS_WITH"
"ENDS_WITH"
"CONTAINS"
"CONTAINS_WORD"
-
SqliMatchStatement
— (map
)A rule statement that inspects for malicious SQL code. Attackers insert malicious SQL code into web requests to do things like modify your database or extract data from it.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SensitivityLevel
— (String
)The sensitivity that you want WAF to use to inspect for SQL injection attacks.
HIGH
detects more attacks, but might generate more false positives, especially if your web requests frequently contain unusual strings. For information about identifying and mitigating false positives, see Testing and tuning in the WAF Developer Guide.LOW
is generally a better choice for resources that already have other protections against SQL injection attacks or that have a low tolerance for false positives.Default:
Possible values include:LOW
"LOW"
"HIGH"
XssMatchStatement
— (map
)A rule statement that inspects for cross-site scripting (XSS) attacks. In XSS attacks, the attacker uses vulnerabilities in a benign website as a vehicle to inject malicious client-site scripts into other legitimate web browsers.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SizeConstraintStatement
— (map
)A rule statement that compares a number of bytes against the size of a request component, using a comparison operator, such as greater than (>) or less than (<). For example, you can use a size constraint statement to look for query strings that are longer than 100 bytes.
If you configure WAF to inspect the request body, WAF inspects only the first 8192 bytes (8 KB). If the request body for your web requests never exceeds 8192 bytes, you could use a size constraint statement to block requests that have a request body greater than 8192 bytes.
If you choose URI for the value of Part of the request to filter on, the slash (/) in the URI counts as one character. For example, the URI
/logo.jpg
is nine characters long.FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
ComparisonOperator
— required — (String
)The operator to use to compare the request part to the size setting.
Possible values include:"EQ"
"NE"
"LE"
"LT"
"GE"
"GT"
Size
— required — (Integer
)The size, in byte, to compare to the request part, after any transformations.
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
GeoMatchStatement
— (map
)A rule statement that labels web requests by country and region and that matches against web requests based on country code. A geo match rule labels every request that it inspects regardless of whether it finds a match.
-
To manage requests only by country, you can use this statement by itself and specify the countries that you want to match against in the
CountryCodes
array. -
Otherwise, configure your geo match rule with Count action so that it only labels requests. Then, add one or more label match rules to run after the geo match rule and configure them to match against the geographic labels and handle the requests as needed.
WAF labels requests using the alpha-2 country and region codes from the International Organization for Standardization (ISO) 3166 standard. WAF determines the codes using either the IP address in the web request origin or, if you specify it, the address in the geo match
ForwardedIPConfig
.If you use the web request origin, the label formats are
awswaf:clientip:geo:region:<ISO country code>-<ISO region code>
andawswaf:clientip:geo:country:<ISO country code>
.If you use a forwarded IP address, the label formats are
awswaf:forwardedip:geo:region:<ISO country code>-<ISO region code>
andawswaf:forwardedip:geo:country:<ISO country code>
.For additional details, see Geographic match rule statement in the WAF Developer Guide.
CountryCodes
— (Array<String>
)An array of two-character country codes that you want to match against, for example,
[ "US", "CN" ]
, from the alpha-2 country ISO codes of the ISO 3166 international standard.When you use a geo match statement just for the region and country labels that it adds to requests, you still have to supply a country code for the rule to evaluate. In this case, you configure the rule to only count matching requests, but it will still generate logging and count metrics for any matches. You can reduce the logging and metrics that the rule produces by specifying a country that's unlikely to be a source of traffic to your site.
ForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
-
RuleGroupReferenceStatement
— (map
)A rule statement used to run the rules that are defined in a RuleGroup. To use this, create a rule group with your rules, then provide the ARN of the rule group in this statement.
You cannot nest a
RuleGroupReferenceStatement
, for example for use inside aNotStatement
orOrStatement
. You can only use a rule group reference statement at the top level inside a web ACL.ARN
— required — (String
)The Amazon Resource Name (ARN) of the entity.
ExcludedRules
— (Array<map>
)Rules in the referenced rule group whose actions are set to
Count
.Note: Instead of this option, useRuleActionOverrides
. It accepts any valid action setting, includingCount
.Name
— required — (String
)The name of the rule whose action you want to override to
Count
.
RuleActionOverrides
— (Array<map>
)Action settings to use in the place of the rule actions that are configured inside the rule group. You specify one override for each rule whose action you want to change.
You can use overrides for testing, for example you can override all of rule actions to
Count
and then monitor the resulting count metrics to understand how the rule group would handle your web traffic. You can also permanently override some or all actions, to modify how the rule group manages your web traffic.Name
— required — (String
)The name of the rule to override.
ActionToUse
— required — (map
)The override action to use, in place of the configured action of the rule in the rule group.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
IPSetReferenceStatement
— (map
)A rule statement used to detect web requests coming from particular IP addresses or address ranges. To use this, create an IPSet that specifies the addresses you want to detect, then use the ARN of that set in this statement. To create an IP set, see CreateIPSet.
Each IP set rule statement references an IP set. You create and maintain the set independent of your rules. This allows you to use the single set in multiple rules. When you update the referenced set, WAF automatically updates all rules that reference it.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the IPSet that this statement references.
IPSetForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
Position
— required — (String
)The position in the header to search for the IP address. The header can contain IP addresses of the original client and also of proxies. For example, the header value could be
10.1.1.1, 127.0.0.0, 10.10.10.10
where the first IP address identifies the original client and the rest identify proxies that the request went through.The options for this setting are the following:
-
FIRST - Inspect the first IP address in the list of IP addresses in the header. This is usually the client's original IP.
-
LAST - Inspect the last IP address in the list of IP addresses in the header.
-
ANY - Inspect all IP addresses in the header for a match. If the header contains more than 10 IP addresses, WAF inspects the last 10.
"FIRST"
"LAST"
"ANY"
-
RegexPatternSetReferenceStatement
— (map
)A rule statement used to search web request components for matches with regular expressions. To use this, create a RegexPatternSet that specifies the expressions that you want to detect, then use the ARN of that set in this statement. A web request matches the pattern set rule statement if the request component matches any of the patterns in the set. To create a regex pattern set, see CreateRegexPatternSet.
Each regex pattern set rule statement references a regex pattern set. You create and maintain the set independent of your rules. This allows you to use the single set in multiple rules. When you update the referenced set, WAF automatically updates all rules that reference it.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the RegexPatternSet that this statement references.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
RateBasedStatement
— (map
)A rate-based rule tracks the rate of requests for each originating IP address, and triggers the rule action when the rate exceeds a limit that you specify on the number of requests in any 5-minute time span. You can use this to put a temporary block on requests from an IP address that is sending excessive requests.
WAF tracks and manages web requests separately for each instance of a rate-based rule that you use. For example, if you provide the same rate-based rule settings in two web ACLs, each of the two rule statements represents a separate instance of the rate-based rule and gets its own tracking and management by WAF. If you define a rate-based rule inside a rule group, and then use that rule group in multiple places, each use creates a separate instance of the rate-based rule that gets its own tracking and management by WAF.
When the rule action triggers, WAF blocks additional requests from the IP address until the request rate falls below the limit.
You can optionally nest another statement inside the rate-based statement, to narrow the scope of the rule so that it only counts requests that match the nested statement. For example, based on recent requests that you have seen from an attacker, you might create a rate-based rule with a nested AND rule statement that contains the following nested statements:
-
An IP match statement with an IP set that specifies the address 192.0.2.44.
-
A string match statement that searches in the User-Agent header for the string BadBot.
In this rate-based rule, you also define a rate limit. For this example, the rate limit is 1,000. Requests that meet the criteria of both of the nested statements are counted. If the count exceeds 1,000 requests per five minutes, the rule action triggers. Requests that do not meet the criteria of both of the nested statements are not counted towards the rate limit and are not affected by this rule.
You cannot nest a
RateBasedStatement
inside another statement, for example inside aNotStatement
orOrStatement
. You can define aRateBasedStatement
inside a web ACL and inside a rule group.Limit
— required — (Integer
)The limit on requests per 5-minute period for a single originating IP address. If the statement includes a
ScopeDownStatement
, this limit is applied only to the requests that match the statement.AggregateKeyType
— required — (String
)Setting that indicates how to aggregate the request counts. The options are the following:
-
IP - Aggregate the request counts on the IP address from the web request origin.
-
FORWARDED_IP - Aggregate the request counts on the first IP address in an HTTP header. If you use this, configure the
ForwardedIPConfig
, to specify the header to use.
"IP"
"FORWARDED_IP"
-
ForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.This is required if
AggregateKeyType
is set toFORWARDED_IP
.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
-
AndStatement
— (map
)A logical rule statement used to combine other rule statements with AND logic. You provide more than one Statement within the
AndStatement
.Statements
— required — (Array<map>
)The statements to combine with AND logic. You can use any statements that can be nested.
OrStatement
— (map
)A logical rule statement used to combine other rule statements with OR logic. You provide more than one Statement within the
OrStatement
.Statements
— required — (Array<map>
)The statements to combine with OR logic. You can use any statements that can be nested.
NotStatement
— (map
)A logical rule statement used to negate the results of another rule statement. You provide one Statement within the
NotStatement
.ManagedRuleGroupStatement
— (map
)A rule statement used to run the rules that are defined in a managed rule group. To use this, provide the vendor name and the name of the rule group in this statement. You can retrieve the required names by calling ListAvailableManagedRuleGroups.
You cannot nest a
ManagedRuleGroupStatement
, for example for use inside aNotStatement
orOrStatement
. It can only be referenced as a top-level statement within a rule.Note: You are charged additional fees when you use the WAF Bot Control managed rule groupAWSManagedRulesBotControlRuleSet
or the WAF Fraud Control account takeover prevention (ATP) managed rule groupAWSManagedRulesATPRuleSet
. For more information, see WAF Pricing.VendorName
— required — (String
)The name of the managed rule group vendor. You use this, along with the rule group name, to identify the rule group.
Name
— required — (String
)The name of the managed rule group. You use this, along with the vendor name, to identify the rule group.
Version
— (String
)The version of the managed rule group to use. If you specify this, the version setting is fixed until you change it. If you don't specify this, WAF uses the vendor's default version, and then keeps the version at the vendor's default when the vendor updates the managed rule group settings.
ExcludedRules
— (Array<map>
)Rules in the referenced rule group whose actions are set to
Count
.Note: Instead of this option, useRuleActionOverrides
. It accepts any valid action setting, includingCount
.Name
— required — (String
)The name of the rule whose action you want to override to
Count
.
ManagedRuleGroupConfigs
— (Array<map>
)Additional information that's used by a managed rule group. Many managed rule groups don't require this.
Use the
AWSManagedRulesATPRuleSet
configuration object for the account takeover prevention managed rule group, to provide information such as the sign-in page of your application and the type of content to accept or reject from the client.Use the
AWSManagedRulesBotControlRuleSet
configuration object to configure the protection level that you want the Bot Control rule group to use.LoginPath
— (String
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
.PayloadType
— (String
)Note: Instead of this setting, provide your configuration underPossible values include:AWSManagedRulesATPRuleSet
RequestInspection
."JSON"
"FORM_ENCODED"
UsernameField
— (map
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
RequestInspection
.Identifier
— required — (String
)The name of the username field. For example
/form/username
.
PasswordField
— (map
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
RequestInspection
.Identifier
— required — (String
)The name of the password field. For example
/form/password
.
AWSManagedRulesBotControlRuleSet
— (map
)Additional configuration for using the Bot Control managed rule group. Use this to specify the inspection level that you want to use. For information about using the Bot Control managed rule group, see WAF Bot Control rule group and WAF Bot Control in the WAF Developer Guide.
InspectionLevel
— required — (String
)The inspection level to use for the Bot Control rule group. The common level is the least expensive. The targeted level includes all common level rules and adds rules with more advanced inspection criteria. For details, see WAF Bot Control rule group.
Possible values include:"COMMON"
"TARGETED"
AWSManagedRulesATPRuleSet
— (map
)Additional configuration for using the account takeover prevention (ATP) managed rule group,
AWSManagedRulesATPRuleSet
. Use this to provide login request information to the rule group. For web ACLs that protect CloudFront distributions, use this to also provide the information about how your distribution responds to login requests.This configuration replaces the individual configuration fields in
ManagedRuleGroupConfig
and provides additional feature configuration.For information about using the ATP managed rule group, see WAF Fraud Control account takeover prevention (ATP) rule group and WAF Fraud Control account takeover prevention (ATP) in the WAF Developer Guide.
LoginPath
— required — (String
)The path of the login endpoint for your application. For example, for the URL
https://example.com/web/login
, you would provide the path/web/login
.The rule group inspects only HTTP
POST
requests to your specified login endpoint.RequestInspection
— (map
)The criteria for inspecting login requests, used by the ATP rule group to validate credentials usage.
PayloadType
— required — (String
)The payload type for your login endpoint, either JSON or form encoded.
Possible values include:"JSON"
"FORM_ENCODED"
UsernameField
— required — (map
)Details about your login page username field.
How you specify this depends on the payload type.
-
For JSON payloads, specify the field name in JSON pointer syntax. For information about the JSON Pointer syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.
For example, for the JSON payload
{ "login": { "username": "THE_USERNAME", "password": "THE_PASSWORD" } }
, the username field specification is/login/username
and the password field specification is/login/password
. -
For form encoded payload types, use the HTML form names.
For example, for an HTML form with input elements named
username1
andpassword1
, the username field specification isusername1
and the password field specification ispassword1
.
Identifier
— required — (String
)The name of the username field. For example
/form/username
.
-
PasswordField
— required — (map
)Details about your login page password field.
How you specify this depends on the payload type.
-
For JSON payloads, specify the field name in JSON pointer syntax. For information about the JSON Pointer syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.
For example, for the JSON payload
{ "login": { "username": "THE_USERNAME", "password": "THE_PASSWORD" } }
, the username field specification is/login/username
and the password field specification is/login/password
. -
For form encoded payload types, use the HTML form names.
For example, for an HTML form with input elements named
username1
andpassword1
, the username field specification isusername1
and the password field specification ispassword1
.
Identifier
— required — (String
)The name of the password field. For example
/form/password
.
-
ResponseInspection
— (map
)The criteria for inspecting responses to login requests, used by the ATP rule group to track login failure rates.
The ATP rule group evaluates the responses that your protected resources send back to client login attempts, keeping count of successful and failed attempts from each IP address and client session. Using this information, the rule group labels and mitigates requests from client sessions and IP addresses that submit too many failed login attempts in a short amount of time.
Note: Response inspection is available only in web ACLs that protect Amazon CloudFront distributions.StatusCode
— (map
)Configures inspection of the response status code.
SuccessCodes
— required — (Array<Integer>
)Status codes in the response that indicate a successful login attempt. To be counted as a successful login, the response status code must match one of these. Each code must be unique among the success and failure status codes.
JSON example:
"SuccessCodes": [ 200, 201 ]
FailureCodes
— required — (Array<Integer>
)Status codes in the response that indicate a failed login attempt. To be counted as a failed login, the response status code must match one of these. Each code must be unique among the success and failure status codes.
JSON example:
"FailureCodes": [ 400, 404 ]
Header
— (map
)Configures inspection of the response header.
Name
— required — (String
)The name of the header to match against. The name must be an exact match, including case.
JSON example:
"Name": [ "LoginResult" ]
SuccessValues
— required — (Array<String>
)Values in the response header with the specified name that indicate a successful login attempt. To be counted as a successful login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"SuccessValues": [ "LoginPassed", "Successful login" ]
FailureValues
— required — (Array<String>
)Values in the response header with the specified name that indicate a failed login attempt. To be counted as a failed login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"FailureValues": [ "LoginFailed", "Failed login" ]
BodyContains
— (map
)Configures inspection of the response body. WAF can inspect the first 65,536 bytes (64 KB) of the response body.
SuccessStrings
— required — (Array<String>
)Strings in the body of the response that indicate a successful login attempt. To be counted as a successful login, the string can be anywhere in the body and must be an exact match, including case. Each string must be unique among the success and failure strings.
JSON example:
"SuccessStrings": [ "Login successful", "Welcome to our site!" ]
FailureStrings
— required — (Array<String>
)Strings in the body of the response that indicate a failed login attempt. To be counted as a failed login, the string can be anywhere in the body and must be an exact match, including case. Each string must be unique among the success and failure strings.
JSON example:
"FailureStrings": [ "Login failed" ]
Json
— (map
)Configures inspection of the response JSON. WAF can inspect the first 65,536 bytes (64 KB) of the response JSON.
Identifier
— required — (String
)The identifier for the value to match against in the JSON. The identifier must be an exact match, including case.
JSON example:
"Identifier": [ "/login/success" ]
SuccessValues
— required — (Array<String>
)Values for the specified identifier in the response JSON that indicate a successful login attempt. To be counted as a successful login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"SuccessValues": [ "True", "Succeeded" ]
FailureValues
— required — (Array<String>
)Values for the specified identifier in the response JSON that indicate a failed login attempt. To be counted as a failed login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"FailureValues": [ "False", "Failed" ]
RuleActionOverrides
— (Array<map>
)Action settings to use in the place of the rule actions that are configured inside the rule group. You specify one override for each rule whose action you want to change.
You can use overrides for testing, for example you can override all of rule actions to
Count
and then monitor the resulting count metrics to understand how the rule group would handle your web traffic. You can also permanently override some or all actions, to modify how the rule group manages your web traffic.Name
— required — (String
)The name of the rule to override.
ActionToUse
— required — (map
)The override action to use, in place of the configured action of the rule in the rule group.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
LabelMatchStatement
— (map
)A rule statement to match against labels that have been added to the web request by rules that have already run in the web ACL.
The label match statement provides the label or namespace string to search for. The label string can represent a part or all of the fully qualified label name that had been added to the web request. Fully qualified labels have a prefix, optional namespaces, and label name. The prefix identifies the rule group or web ACL context of the rule that added the label. If you do not provide the fully qualified name in your label match string, WAF performs the search for labels that were added in the same context as the label match statement.
Scope
— required — (String
)Specify whether you want to match using the label name or just the namespace.
Possible values include:"LABEL"
"NAMESPACE"
Key
— required — (String
)The string to match against. The setting you provide for this depends on the match statement's
Scope
setting:-
If the
Scope
indicatesLABEL
, then this specification must include the name and can include any number of preceding namespace specifications and prefix up to providing the fully qualified label name. -
If the
Scope
indicatesNAMESPACE
, then this specification can include any number of contiguous namespace strings, and can include the entire label namespace prefix from the rule group or web ACL where the label originates.
Labels are case sensitive and components of a label must be separated by colon, for example
NS1:NS2:name
.-
RegexMatchStatement
— (map
)A rule statement used to search web request components for a match against a single regular expression.
RegexString
— required — (String
)The string representing the regular expression.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
Action
— (map
)The action that WAF should take on a web request when it matches the rule statement. Settings at the web ACL level can override the rule action setting.
This is used only for rules whose statements do not reference a rule group. Rule statements that reference a rule group include
RuleGroupReferenceStatement
andManagedRuleGroupStatement
.You must specify either this
Action
setting or the ruleOverrideAction
setting, but not both:-
If the rule statement does not reference a rule group, use this rule action setting and not the rule override action setting.
-
If the rule statement references a rule group, use the override action setting and not this action setting.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
-
OverrideAction
— (map
)The action to use in the place of the action that results from the rule group evaluation. Set the override action to none to leave the result of the rule group alone. Set it to count to override the result to count only.
You can only use this for rule statements that reference a rule group, like
RuleGroupReferenceStatement
andManagedRuleGroupStatement
.Note: This option is usually set to none. It does not affect how the rules in the rule group are evaluated. If you want the rules in the rule group to only count matches, do not use this and instead use the rule action override option, withCount
action, in your rule group reference statement settings.Count
— (map
)Override the rule group evaluation result to count only.
Note: This option is usually set to none. It does not affect how the rules in the rule group are evaluated. If you want the rules in the rule group to only count matches, do not use this and instead use the rule action override option, withCount
action, in your rule group reference statement settings.CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
None
— (map
)Don't override the rule group evaluation result. This is the most common setting.
RuleLabels
— (Array<map>
)Labels to apply to web requests that match the rule match statement. WAF applies fully qualified labels to matching web requests. A fully qualified label is the concatenation of a label namespace and a rule label. The rule's rule group or web ACL defines the label namespace.
Rules that run after this rule in the web ACL can match against these labels using a
LabelMatchStatement
.For each label, provide a case-sensitive string containing optional namespaces and a label name, according to the following guidelines:
-
Separate each component of the label with a colon.
-
Each namespace or name can have up to 128 characters.
-
You can specify up to 5 namespaces in a label.
-
Don't use the following reserved words in your label specification:
aws
,waf
,managed
,rulegroup
,webacl
,regexpatternset
, oripset
.
For example,
myLabelName
ornameSpace1:nameSpace2:myLabelName
.Name
— required — (String
)The label string.
-
VisibilityConfig
— required — (map
)Defines and enables Amazon CloudWatch metrics and web request sample collection.
SampledRequestsEnabled
— required — (Boolean
)A boolean indicating whether WAF should store a sampling of the web requests that match the rules. You can view the sampled requests through the WAF console.
CloudWatchMetricsEnabled
— required — (Boolean
)A boolean indicating whether the associated resource sends metrics to Amazon CloudWatch. For the list of available metrics, see WAF Metrics.
MetricName
— required — (String
)A name of the Amazon CloudWatch metric dimension. The name can contain only the characters: A-Z, a-z, 0-9, - (hyphen), and _ (underscore). The name can be from one to 128 characters long. It can't contain whitespace or metric names that are reserved for WAF, for example
All
andDefault_Action
.
CaptchaConfig
— (map
)Specifies how WAF should handle
CAPTCHA
evaluations. If you don't specify this, WAF uses theCAPTCHA
configuration that's defined for the web ACL.ImmunityTimeProperty
— (map
)Determines how long a
CAPTCHA
timestamp in the token remains valid after the client successfully solves aCAPTCHA
puzzle.ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
ChallengeConfig
— (map
)Specifies how WAF should handle
Challenge
evaluations. If you don't specify this, WAF uses the challenge configuration that's defined for the web ACL.ImmunityTimeProperty
— (map
)Determines how long a challenge timestamp in the token remains valid after the client successfully responds to a challenge.
ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Capacity
— (Integer
)The capacity required by the rules and scope.
-
(AWS.Response)
—
Returns:
createIPSet(params = {}, callback) ⇒ AWS.Request
Creates an IPSet, which you use to identify web requests that originate from specific IP addresses or ranges of IP addresses. For example, if you're receiving a lot of requests from a ranges of IP addresses, you can configure WAF to block them using an IPSet that lists those IP addresses.
Service Reference:
Examples:
Calling the createIPSet operation
var params = { Addresses: [ /* required */ 'STRING_VALUE', /* more items */ ], IPAddressVersion: IPV4 | IPV6, /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL, /* required */ Description: 'STRING_VALUE', Tags: [ { Key: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] }; wafv2.createIPSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the IP set. You cannot change the name of an
IPSet
after you create it.Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Description
— (String
)A description of the IP set that helps with identification.
IPAddressVersion
— (String
)The version of the IP addresses, either
Possible values include:IPV4
orIPV6
."IPV4"
"IPV6"
Addresses
— (Array<String>
)Contains an array of strings that specifies zero or more IP addresses or blocks of IP addresses. All addresses must be specified using Classless Inter-Domain Routing (CIDR) notation. WAF supports all IPv4 and IPv6 CIDR ranges except for
/0
.Example address strings:
-
To configure WAF to allow, block, or count requests that originated from the IP address 192.0.2.44, specify
192.0.2.44/32
. -
To configure WAF to allow, block, or count requests that originated from IP addresses from 192.0.2.0 to 192.0.2.255, specify
192.0.2.0/24
. -
To configure WAF to allow, block, or count requests that originated from the IP address 1111:0000:0000:0000:0000:0000:0000:0111, specify
1111:0000:0000:0000:0000:0000:0000:0111/128
. -
To configure WAF to allow, block, or count requests that originated from IP addresses 1111:0000:0000:0000:0000:0000:0000:0000 to 1111:0000:0000:0000:ffff:ffff:ffff:ffff, specify
1111:0000:0000:0000:0000:0000:0000:0000/64
.
For more information about CIDR notation, see the Wikipedia entry Classless Inter-Domain Routing.
Example JSON
Addresses
specifications:-
Empty array:
"Addresses": []
-
Array with one address:
"Addresses": ["192.0.2.44/32"]
-
Array with three addresses:
"Addresses": ["192.0.2.44/32", "192.0.2.0/24", "192.0.0.0/16"]
-
INVALID specification:
"Addresses": [""]
INVALID
-
Tags
— (Array<map>
)An array of key:value pairs to associate with the resource.
Key
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag key to describe a category of information, such as "customer." Tag keys are case-sensitive.
Value
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag value to describe a specific value within a category, such as "companyA" or "companyB." Tag values are case-sensitive.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Summary
— (map
)High-level information about an IPSet, returned by operations like create and list. This provides information like the ID, that you can use to retrieve and manage an
IPSet
, and the ARN, that you provide to the IPSetReferenceStatement to use the address set in a Rule.Name
— (String
)The name of the IP set. You cannot change the name of an
IPSet
after you create it.Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Description
— (String
)A description of the IP set that helps with identification.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.ARN
— (String
)The Amazon Resource Name (ARN) of the entity.
-
(AWS.Response)
—
Returns:
createRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Creates a RegexPatternSet, which you reference in a RegexPatternSetReferenceStatement, to have WAF inspect a web request component for the specified patterns.
Service Reference:
Examples:
Calling the createRegexPatternSet operation
var params = { Name: 'STRING_VALUE', /* required */ RegularExpressionList: [ /* required */ { RegexString: 'STRING_VALUE' }, /* more items */ ], Scope: CLOUDFRONT | REGIONAL, /* required */ Description: 'STRING_VALUE', Tags: [ { Key: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] }; wafv2.createRegexPatternSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the set. You cannot change the name after you create the set.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Description
— (String
)A description of the set that helps with identification.
RegularExpressionList
— (Array<map>
)Array of regular expression strings.
RegexString
— (String
)The string representing the regular expression.
Tags
— (Array<map>
)An array of key:value pairs to associate with the resource.
Key
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag key to describe a category of information, such as "customer." Tag keys are case-sensitive.
Value
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag value to describe a specific value within a category, such as "companyA" or "companyB." Tag values are case-sensitive.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Summary
— (map
)High-level information about a RegexPatternSet, returned by operations like create and list. This provides information like the ID, that you can use to retrieve and manage a
RegexPatternSet
, and the ARN, that you provide to the RegexPatternSetReferenceStatement to use the pattern set in a Rule.Name
— (String
)The name of the data type instance. You cannot change the name after you create the instance.
Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Description
— (String
)A description of the set that helps with identification.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.ARN
— (String
)The Amazon Resource Name (ARN) of the entity.
-
(AWS.Response)
—
Returns:
createRuleGroup(params = {}, callback) ⇒ AWS.Request
Creates a RuleGroup per the specifications provided.
A rule group defines a collection of rules to inspect and control web requests that you can use in a WebACL. When you create a rule group, you define an immutable capacity limit. If you update a rule group, you must stay within the capacity. This allows others to reuse the rule group with confidence in its capacity requirements.
Service Reference:
Examples:
Calling the createRuleGroup operation
var params = { Capacity: 'NUMBER_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL, /* required */ VisibilityConfig: { /* required */ CloudWatchMetricsEnabled: true || false, /* required */ MetricName: 'STRING_VALUE', /* required */ SampledRequestsEnabled: true || false /* required */ }, CustomResponseBodies: { '<EntityName>': { Content: 'STRING_VALUE', /* required */ ContentType: TEXT_PLAIN | TEXT_HTML | APPLICATION_JSON /* required */ }, /* '<EntityName>': ... */ }, Description: 'STRING_VALUE', Rules: [ { Name: 'STRING_VALUE', /* required */ Priority: 'NUMBER_VALUE', /* required */ Statement: { /* Statement */ /* required */ AndStatement: { Statements: [ /* required */ /* recursive Statement */, /* more items */ ] }, ByteMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, PositionalConstraint: EXACTLY | STARTS_WITH | ENDS_WITH | CONTAINS | CONTAINS_WORD, /* required */ SearchString: Buffer.from('...') || 'STRING_VALUE' /* Strings will be Base-64 encoded on your behalf */, /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, GeoMatchStatement: { CountryCodes: [ AF | AX | AL | DZ | AS | AD | AO | AI | AQ | AG | AR | AM | AW | AU | AT | AZ | BS | BH | BD | BB | BY | BE | BZ | BJ | BM | BT | BO | BQ | BA | BW | BV | BR | IO | BN | BG | BF | BI | KH | CM | CA | CV | KY | CF | TD | CL | CN | CX | CC | CO | KM | CG | CD | CK | CR | CI | HR | CU | CW | CY | CZ | DK | DJ | DM | DO | EC | EG | SV | GQ | ER | EE | ET | FK | FO | FJ | FI | FR | GF | PF | TF | GA | GM | GE | DE | GH | GI | GR | GL | GD | GP | GU | GT | GG | GN | GW | GY | HT | HM | VA | HN | HK | HU | IS | IN | ID | IR | IQ | IE | IM | IL | IT | JM | JP | JE | JO | KZ | KE | KI | KP | KR | KW | KG | LA | LV | LB | LS | LR | LY | LI | LT | LU | MO | MK | MG | MW | MY | MV | ML | MT | MH | MQ | MR | MU | YT | MX | FM | MD | MC | MN | ME | MS | MA | MZ | MM | NA | NR | NP | NL | NC | NZ | NI | NE | NG | NU | NF | MP | NO | OM | PK | PW | PS | PA | PG | PY | PE | PH | PN | PL | PT | PR | QA | RE | RO | RU | RW | BL | SH | KN | LC | MF | PM | VC | WS | SM | ST | SA | SN | RS | SC | SL | SG | SX | SK | SI | SB | SO | ZA | GS | SS | ES | LK | SD | SR | SJ | SZ | SE | CH | SY | TW | TJ | TZ | TH | TL | TG | TK | TO | TT | TN | TR | TM | TC | TV | UG | UA | AE | GB | US | UM | UY | UZ | VU | VE | VN | VG | VI | WF | EH | YE | ZM | ZW | XK, /* more items */ ], ForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE' /* required */ } }, IPSetReferenceStatement: { ARN: 'STRING_VALUE', /* required */ IPSetForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE', /* required */ Position: FIRST | LAST | ANY /* required */ } }, LabelMatchStatement: { Key: 'STRING_VALUE', /* required */ Scope: LABEL | NAMESPACE /* required */ }, ManagedRuleGroupStatement: { Name: 'STRING_VALUE', /* required */ VendorName: 'STRING_VALUE', /* required */ ExcludedRules: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ], ManagedRuleGroupConfigs: [ { AWSManagedRulesATPRuleSet: { LoginPath: 'STRING_VALUE', /* required */ RequestInspection: { PasswordField: { /* required */ Identifier: 'STRING_VALUE' /* required */ }, PayloadType: JSON | FORM_ENCODED, /* required */ UsernameField: { /* required */ Identifier: 'STRING_VALUE' /* required */ } }, ResponseInspection: { BodyContains: { FailureStrings: [ /* required */ 'STRING_VALUE', /* more items */ ], SuccessStrings: [ /* required */ 'STRING_VALUE', /* more items */ ] }, Header: { FailureValues: [ /* required */ 'STRING_VALUE', /* more items */ ], Name: 'STRING_VALUE', /* required */ SuccessValues: [ /* required */ 'STRING_VALUE', /* more items */ ] }, Json: { FailureValues: [ /* required */ 'STRING_VALUE', /* more items */ ], Identifier: 'STRING_VALUE', /* required */ SuccessValues: [ /* required */ 'STRING_VALUE', /* more items */ ] }, StatusCode: { FailureCodes: [ /* required */ 'NUMBER_VALUE', /* more items */ ], SuccessCodes: [ /* required */ 'NUMBER_VALUE', /* more items */ ] } } }, AWSManagedRulesBotControlRuleSet: { InspectionLevel: COMMON | TARGETED /* required */ }, LoginPath: 'STRING_VALUE', PasswordField: { Identifier: 'STRING_VALUE' /* required */ }, PayloadType: JSON | FORM_ENCODED, UsernameField: { Identifier: 'STRING_VALUE' /* required */ } }, /* more items */ ], RuleActionOverrides: [ { ActionToUse: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE' /* required */ }, /* more items */ ], ScopeDownStatement: /* recursive Statement */, Version: 'STRING_VALUE' }, NotStatement: { Statement: /* recursive Statement */ }, OrStatement: { Statements: [ /* required */ /* recursive Statement */, /* more items */ ] }, RateBasedStatement: { AggregateKeyType: IP | FORWARDED_IP, /* required */ Limit: 'NUMBER_VALUE', /* required */ ForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE' /* required */ }, ScopeDownStatement: /* recursive Statement */ }, RegexMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, RegexString: 'STRING_VALUE', /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, RegexPatternSetReferenceStatement: { ARN: 'STRING_VALUE', /* required */ FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, RuleGroupReferenceStatement: { ARN: 'STRING_VALUE', /* required */ ExcludedRules: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ], RuleActionOverrides: [ { ActionToUse: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE' /* required */ }, /* more items */ ] }, SizeConstraintStatement: { ComparisonOperator: EQ | NE | LE | LT | GE | GT, /* required */ FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, Size: 'NUMBER_VALUE', /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, SqliMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ], SensitivityLevel: LOW | HIGH }, XssMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] } }, VisibilityConfig: { /* required */ CloudWatchMetricsEnabled: true || false, /* required */ MetricName: 'STRING_VALUE', /* required */ SampledRequestsEnabled: true || false /* required */ }, Action: { Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, CaptchaConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, ChallengeConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, OverrideAction: { Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, None: { } }, RuleLabels: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ] }, /* more items */ ], Tags: [ { Key: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] }; wafv2.createRuleGroup(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the rule group. You cannot change the name of a rule group after you create it.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Capacity
— (Integer
)The web ACL capacity units (WCUs) required for this rule group.
When you create your own rule group, you define this, and you cannot change it after creation. When you add or modify the rules in a rule group, WAF enforces this limit. You can check the capacity for a set of rules using CheckCapacity.
WAF uses WCUs to calculate and control the operating resources that are used to run your rules, rule groups, and web ACLs. WAF calculates capacity differently for each rule type, to reflect the relative cost of each rule. Simple rules that cost little to run use fewer WCUs than more complex rules that use more processing power. Rule group capacity is fixed at creation, which helps users plan their web ACL WCU usage when they use a rule group. The WCU limit for web ACLs is 1,500.
Description
— (String
)A description of the rule group that helps with identification.
Rules
— (Array<map>
)The Rule statements used to identify the web requests that you want to allow, block, or count. Each rule includes one top-level statement that WAF uses to identify matching web requests, and parameters that govern how WAF handles them.
Name
— required — (String
)The name of the rule. You can't change the name of a
Rule
after you create it.Priority
— required — (Integer
)If you define more than one
Rule
in aWebACL
, WAF evaluates each request against theRules
in order based on the value ofPriority
. WAF processes rules with lower priority first. The priorities don't need to be consecutive, but they must all be different.Statement
— required — (map
)The WAF processing statement for the rule, for example ByteMatchStatement or SizeConstraintStatement.
ByteMatchStatement
— (map
)A rule statement that defines a string match search for WAF to apply to web requests. The byte match statement provides the bytes to search for, the location in requests that you want WAF to search, and other settings. The bytes to search for are typically a string that corresponds with ASCII characters. In the WAF console and the developer guide, this is called a string match statement.
SearchString
— required — (Buffer, Typed Array, Blob, String
)A string value that you want WAF to search for. WAF searches only in the part of web requests that you designate for inspection in FieldToMatch. The maximum length of the value is 200 bytes.
Valid values depend on the component that you specify for inspection in
FieldToMatch
:-
Method
: The HTTP method that you want WAF to search for. This indicates the type of operation specified in the request. -
UriPath
: The value that you want WAF to search for in the URI path, for example,/images/daily-ad.jpg
.
If
SearchString
includes alphabetic characters A-Z and a-z, note that the value is case sensitive.If you're using the WAF API
Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode it is 200 bytes.
For example, suppose the value of
Type
isHEADER
and the value ofData
isUser-Agent
. If you want to search theUser-Agent
header for the valueBadBot
, you base64-encodeBadBot
using MIME base64-encoding and include the resulting value,QmFkQm90
, in the value ofSearchString
.If you're using the CLI or one of the Amazon Web Services SDKs
The value that you want WAF to search for. The SDK automatically base64 encodes the value.
-
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
PositionalConstraint
— required — (String
)The area within the portion of the web request that you want WAF to search for
SearchString
. Valid values include the following:CONTAINS
The specified part of the web request must include the value of
SearchString
, but the location doesn't matter.CONTAINS_WORD
The specified part of the web request must include the value of
SearchString
, andSearchString
must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or ). In addition,SearchString
must be a word, which means that both of the following are true:-
SearchString
is at the beginning of the specified part of the web request or is preceded by a character other than an alphanumeric character or underscore (). Examples include the value of a header and;BadBot
. -
SearchString
is at the end of the specified part of the web request or is followed by a character other than an alphanumeric character or underscore (_), for example,BadBot;
and-BadBot;
.
EXACTLY
The value of the specified part of the web request must exactly match the value of
SearchString
.STARTS_WITH
The value of
SearchString
must appear at the beginning of the specified part of the web request.ENDS_WITH
The value of
Possible values include:SearchString
must appear at the end of the specified part of the web request."EXACTLY"
"STARTS_WITH"
"ENDS_WITH"
"CONTAINS"
"CONTAINS_WORD"
-
SqliMatchStatement
— (map
)A rule statement that inspects for malicious SQL code. Attackers insert malicious SQL code into web requests to do things like modify your database or extract data from it.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SensitivityLevel
— (String
)The sensitivity that you want WAF to use to inspect for SQL injection attacks.
HIGH
detects more attacks, but might generate more false positives, especially if your web requests frequently contain unusual strings. For information about identifying and mitigating false positives, see Testing and tuning in the WAF Developer Guide.LOW
is generally a better choice for resources that already have other protections against SQL injection attacks or that have a low tolerance for false positives.Default:
Possible values include:LOW
"LOW"
"HIGH"
XssMatchStatement
— (map
)A rule statement that inspects for cross-site scripting (XSS) attacks. In XSS attacks, the attacker uses vulnerabilities in a benign website as a vehicle to inject malicious client-site scripts into other legitimate web browsers.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SizeConstraintStatement
— (map
)A rule statement that compares a number of bytes against the size of a request component, using a comparison operator, such as greater than (>) or less than (<). For example, you can use a size constraint statement to look for query strings that are longer than 100 bytes.
If you configure WAF to inspect the request body, WAF inspects only the first 8192 bytes (8 KB). If the request body for your web requests never exceeds 8192 bytes, you could use a size constraint statement to block requests that have a request body greater than 8192 bytes.
If you choose URI for the value of Part of the request to filter on, the slash (/) in the URI counts as one character. For example, the URI
/logo.jpg
is nine characters long.FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
ComparisonOperator
— required — (String
)The operator to use to compare the request part to the size setting.
Possible values include:"EQ"
"NE"
"LE"
"LT"
"GE"
"GT"
Size
— required — (Integer
)The size, in byte, to compare to the request part, after any transformations.
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
GeoMatchStatement
— (map
)A rule statement that labels web requests by country and region and that matches against web requests based on country code. A geo match rule labels every request that it inspects regardless of whether it finds a match.
-
To manage requests only by country, you can use this statement by itself and specify the countries that you want to match against in the
CountryCodes
array. -
Otherwise, configure your geo match rule with Count action so that it only labels requests. Then, add one or more label match rules to run after the geo match rule and configure them to match against the geographic labels and handle the requests as needed.
WAF labels requests using the alpha-2 country and region codes from the International Organization for Standardization (ISO) 3166 standard. WAF determines the codes using either the IP address in the web request origin or, if you specify it, the address in the geo match
ForwardedIPConfig
.If you use the web request origin, the label formats are
awswaf:clientip:geo:region:<ISO country code>-<ISO region code>
andawswaf:clientip:geo:country:<ISO country code>
.If you use a forwarded IP address, the label formats are
awswaf:forwardedip:geo:region:<ISO country code>-<ISO region code>
andawswaf:forwardedip:geo:country:<ISO country code>
.For additional details, see Geographic match rule statement in the WAF Developer Guide.
CountryCodes
— (Array<String>
)An array of two-character country codes that you want to match against, for example,
[ "US", "CN" ]
, from the alpha-2 country ISO codes of the ISO 3166 international standard.When you use a geo match statement just for the region and country labels that it adds to requests, you still have to supply a country code for the rule to evaluate. In this case, you configure the rule to only count matching requests, but it will still generate logging and count metrics for any matches. You can reduce the logging and metrics that the rule produces by specifying a country that's unlikely to be a source of traffic to your site.
ForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
-
RuleGroupReferenceStatement
— (map
)A rule statement used to run the rules that are defined in a RuleGroup. To use this, create a rule group with your rules, then provide the ARN of the rule group in this statement.
You cannot nest a
RuleGroupReferenceStatement
, for example for use inside aNotStatement
orOrStatement
. You can only use a rule group reference statement at the top level inside a web ACL.ARN
— required — (String
)The Amazon Resource Name (ARN) of the entity.
ExcludedRules
— (Array<map>
)Rules in the referenced rule group whose actions are set to
Count
.Note: Instead of this option, useRuleActionOverrides
. It accepts any valid action setting, includingCount
.Name
— required — (String
)The name of the rule whose action you want to override to
Count
.
RuleActionOverrides
— (Array<map>
)Action settings to use in the place of the rule actions that are configured inside the rule group. You specify one override for each rule whose action you want to change.
You can use overrides for testing, for example you can override all of rule actions to
Count
and then monitor the resulting count metrics to understand how the rule group would handle your web traffic. You can also permanently override some or all actions, to modify how the rule group manages your web traffic.Name
— required — (String
)The name of the rule to override.
ActionToUse
— required — (map
)The override action to use, in place of the configured action of the rule in the rule group.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
IPSetReferenceStatement
— (map
)A rule statement used to detect web requests coming from particular IP addresses or address ranges. To use this, create an IPSet that specifies the addresses you want to detect, then use the ARN of that set in this statement. To create an IP set, see CreateIPSet.
Each IP set rule statement references an IP set. You create and maintain the set independent of your rules. This allows you to use the single set in multiple rules. When you update the referenced set, WAF automatically updates all rules that reference it.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the IPSet that this statement references.
IPSetForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
Position
— required — (String
)The position in the header to search for the IP address. The header can contain IP addresses of the original client and also of proxies. For example, the header value could be
10.1.1.1, 127.0.0.0, 10.10.10.10
where the first IP address identifies the original client and the rest identify proxies that the request went through.The options for this setting are the following:
-
FIRST - Inspect the first IP address in the list of IP addresses in the header. This is usually the client's original IP.
-
LAST - Inspect the last IP address in the list of IP addresses in the header.
-
ANY - Inspect all IP addresses in the header for a match. If the header contains more than 10 IP addresses, WAF inspects the last 10.
"FIRST"
"LAST"
"ANY"
-
RegexPatternSetReferenceStatement
— (map
)A rule statement used to search web request components for matches with regular expressions. To use this, create a RegexPatternSet that specifies the expressions that you want to detect, then use the ARN of that set in this statement. A web request matches the pattern set rule statement if the request component matches any of the patterns in the set. To create a regex pattern set, see CreateRegexPatternSet.
Each regex pattern set rule statement references a regex pattern set. You create and maintain the set independent of your rules. This allows you to use the single set in multiple rules. When you update the referenced set, WAF automatically updates all rules that reference it.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the RegexPatternSet that this statement references.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
RateBasedStatement
— (map
)A rate-based rule tracks the rate of requests for each originating IP address, and triggers the rule action when the rate exceeds a limit that you specify on the number of requests in any 5-minute time span. You can use this to put a temporary block on requests from an IP address that is sending excessive requests.
WAF tracks and manages web requests separately for each instance of a rate-based rule that you use. For example, if you provide the same rate-based rule settings in two web ACLs, each of the two rule statements represents a separate instance of the rate-based rule and gets its own tracking and management by WAF. If you define a rate-based rule inside a rule group, and then use that rule group in multiple places, each use creates a separate instance of the rate-based rule that gets its own tracking and management by WAF.
When the rule action triggers, WAF blocks additional requests from the IP address until the request rate falls below the limit.
You can optionally nest another statement inside the rate-based statement, to narrow the scope of the rule so that it only counts requests that match the nested statement. For example, based on recent requests that you have seen from an attacker, you might create a rate-based rule with a nested AND rule statement that contains the following nested statements:
-
An IP match statement with an IP set that specifies the address 192.0.2.44.
-
A string match statement that searches in the User-Agent header for the string BadBot.
In this rate-based rule, you also define a rate limit. For this example, the rate limit is 1,000. Requests that meet the criteria of both of the nested statements are counted. If the count exceeds 1,000 requests per five minutes, the rule action triggers. Requests that do not meet the criteria of both of the nested statements are not counted towards the rate limit and are not affected by this rule.
You cannot nest a
RateBasedStatement
inside another statement, for example inside aNotStatement
orOrStatement
. You can define aRateBasedStatement
inside a web ACL and inside a rule group.Limit
— required — (Integer
)The limit on requests per 5-minute period for a single originating IP address. If the statement includes a
ScopeDownStatement
, this limit is applied only to the requests that match the statement.AggregateKeyType
— required — (String
)Setting that indicates how to aggregate the request counts. The options are the following:
-
IP - Aggregate the request counts on the IP address from the web request origin.
-
FORWARDED_IP - Aggregate the request counts on the first IP address in an HTTP header. If you use this, configure the
ForwardedIPConfig
, to specify the header to use.
"IP"
"FORWARDED_IP"
-
ForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.This is required if
AggregateKeyType
is set toFORWARDED_IP
.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
-
AndStatement
— (map
)A logical rule statement used to combine other rule statements with AND logic. You provide more than one Statement within the
AndStatement
.Statements
— required — (Array<map>
)The statements to combine with AND logic. You can use any statements that can be nested.
OrStatement
— (map
)A logical rule statement used to combine other rule statements with OR logic. You provide more than one Statement within the
OrStatement
.Statements
— required — (Array<map>
)The statements to combine with OR logic. You can use any statements that can be nested.
NotStatement
— (map
)A logical rule statement used to negate the results of another rule statement. You provide one Statement within the
NotStatement
.ManagedRuleGroupStatement
— (map
)A rule statement used to run the rules that are defined in a managed rule group. To use this, provide the vendor name and the name of the rule group in this statement. You can retrieve the required names by calling ListAvailableManagedRuleGroups.
You cannot nest a
ManagedRuleGroupStatement
, for example for use inside aNotStatement
orOrStatement
. It can only be referenced as a top-level statement within a rule.Note: You are charged additional fees when you use the WAF Bot Control managed rule groupAWSManagedRulesBotControlRuleSet
or the WAF Fraud Control account takeover prevention (ATP) managed rule groupAWSManagedRulesATPRuleSet
. For more information, see WAF Pricing.VendorName
— required — (String
)The name of the managed rule group vendor. You use this, along with the rule group name, to identify the rule group.
Name
— required — (String
)The name of the managed rule group. You use this, along with the vendor name, to identify the rule group.
Version
— (String
)The version of the managed rule group to use. If you specify this, the version setting is fixed until you change it. If you don't specify this, WAF uses the vendor's default version, and then keeps the version at the vendor's default when the vendor updates the managed rule group settings.
ExcludedRules
— (Array<map>
)Rules in the referenced rule group whose actions are set to
Count
.Note: Instead of this option, useRuleActionOverrides
. It accepts any valid action setting, includingCount
.Name
— required — (String
)The name of the rule whose action you want to override to
Count
.
ManagedRuleGroupConfigs
— (Array<map>
)Additional information that's used by a managed rule group. Many managed rule groups don't require this.
Use the
AWSManagedRulesATPRuleSet
configuration object for the account takeover prevention managed rule group, to provide information such as the sign-in page of your application and the type of content to accept or reject from the client.Use the
AWSManagedRulesBotControlRuleSet
configuration object to configure the protection level that you want the Bot Control rule group to use.LoginPath
— (String
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
.PayloadType
— (String
)Note: Instead of this setting, provide your configuration underPossible values include:AWSManagedRulesATPRuleSet
RequestInspection
."JSON"
"FORM_ENCODED"
UsernameField
— (map
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
RequestInspection
.Identifier
— required — (String
)The name of the username field. For example
/form/username
.
PasswordField
— (map
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
RequestInspection
.Identifier
— required — (String
)The name of the password field. For example
/form/password
.
AWSManagedRulesBotControlRuleSet
— (map
)Additional configuration for using the Bot Control managed rule group. Use this to specify the inspection level that you want to use. For information about using the Bot Control managed rule group, see WAF Bot Control rule group and WAF Bot Control in the WAF Developer Guide.
InspectionLevel
— required — (String
)The inspection level to use for the Bot Control rule group. The common level is the least expensive. The targeted level includes all common level rules and adds rules with more advanced inspection criteria. For details, see WAF Bot Control rule group.
Possible values include:"COMMON"
"TARGETED"
AWSManagedRulesATPRuleSet
— (map
)Additional configuration for using the account takeover prevention (ATP) managed rule group,
AWSManagedRulesATPRuleSet
. Use this to provide login request information to the rule group. For web ACLs that protect CloudFront distributions, use this to also provide the information about how your distribution responds to login requests.This configuration replaces the individual configuration fields in
ManagedRuleGroupConfig
and provides additional feature configuration.For information about using the ATP managed rule group, see WAF Fraud Control account takeover prevention (ATP) rule group and WAF Fraud Control account takeover prevention (ATP) in the WAF Developer Guide.
LoginPath
— required — (String
)The path of the login endpoint for your application. For example, for the URL
https://example.com/web/login
, you would provide the path/web/login
.The rule group inspects only HTTP
POST
requests to your specified login endpoint.RequestInspection
— (map
)The criteria for inspecting login requests, used by the ATP rule group to validate credentials usage.
PayloadType
— required — (String
)The payload type for your login endpoint, either JSON or form encoded.
Possible values include:"JSON"
"FORM_ENCODED"
UsernameField
— required — (map
)Details about your login page username field.
How you specify this depends on the payload type.
-
For JSON payloads, specify the field name in JSON pointer syntax. For information about the JSON Pointer syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.
For example, for the JSON payload
{ "login": { "username": "THE_USERNAME", "password": "THE_PASSWORD" } }
, the username field specification is/login/username
and the password field specification is/login/password
. -
For form encoded payload types, use the HTML form names.
For example, for an HTML form with input elements named
username1
andpassword1
, the username field specification isusername1
and the password field specification ispassword1
.
Identifier
— required — (String
)The name of the username field. For example
/form/username
.
-
PasswordField
— required — (map
)Details about your login page password field.
How you specify this depends on the payload type.
-
For JSON payloads, specify the field name in JSON pointer syntax. For information about the JSON Pointer syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.
For example, for the JSON payload
{ "login": { "username": "THE_USERNAME", "password": "THE_PASSWORD" } }
, the username field specification is/login/username
and the password field specification is/login/password
. -
For form encoded payload types, use the HTML form names.
For example, for an HTML form with input elements named
username1
andpassword1
, the username field specification isusername1
and the password field specification ispassword1
.
Identifier
— required — (String
)The name of the password field. For example
/form/password
.
-
ResponseInspection
— (map
)The criteria for inspecting responses to login requests, used by the ATP rule group to track login failure rates.
The ATP rule group evaluates the responses that your protected resources send back to client login attempts, keeping count of successful and failed attempts from each IP address and client session. Using this information, the rule group labels and mitigates requests from client sessions and IP addresses that submit too many failed login attempts in a short amount of time.
Note: Response inspection is available only in web ACLs that protect Amazon CloudFront distributions.StatusCode
— (map
)Configures inspection of the response status code.
SuccessCodes
— required — (Array<Integer>
)Status codes in the response that indicate a successful login attempt. To be counted as a successful login, the response status code must match one of these. Each code must be unique among the success and failure status codes.
JSON example:
"SuccessCodes": [ 200, 201 ]
FailureCodes
— required — (Array<Integer>
)Status codes in the response that indicate a failed login attempt. To be counted as a failed login, the response status code must match one of these. Each code must be unique among the success and failure status codes.
JSON example:
"FailureCodes": [ 400, 404 ]
Header
— (map
)Configures inspection of the response header.
Name
— required — (String
)The name of the header to match against. The name must be an exact match, including case.
JSON example:
"Name": [ "LoginResult" ]
SuccessValues
— required — (Array<String>
)Values in the response header with the specified name that indicate a successful login attempt. To be counted as a successful login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"SuccessValues": [ "LoginPassed", "Successful login" ]
FailureValues
— required — (Array<String>
)Values in the response header with the specified name that indicate a failed login attempt. To be counted as a failed login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"FailureValues": [ "LoginFailed", "Failed login" ]
BodyContains
— (map
)Configures inspection of the response body. WAF can inspect the first 65,536 bytes (64 KB) of the response body.
SuccessStrings
— required — (Array<String>
)Strings in the body of the response that indicate a successful login attempt. To be counted as a successful login, the string can be anywhere in the body and must be an exact match, including case. Each string must be unique among the success and failure strings.
JSON example:
"SuccessStrings": [ "Login successful", "Welcome to our site!" ]
FailureStrings
— required — (Array<String>
)Strings in the body of the response that indicate a failed login attempt. To be counted as a failed login, the string can be anywhere in the body and must be an exact match, including case. Each string must be unique among the success and failure strings.
JSON example:
"FailureStrings": [ "Login failed" ]
Json
— (map
)Configures inspection of the response JSON. WAF can inspect the first 65,536 bytes (64 KB) of the response JSON.
Identifier
— required — (String
)The identifier for the value to match against in the JSON. The identifier must be an exact match, including case.
JSON example:
"Identifier": [ "/login/success" ]
SuccessValues
— required — (Array<String>
)Values for the specified identifier in the response JSON that indicate a successful login attempt. To be counted as a successful login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"SuccessValues": [ "True", "Succeeded" ]
FailureValues
— required — (Array<String>
)Values for the specified identifier in the response JSON that indicate a failed login attempt. To be counted as a failed login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"FailureValues": [ "False", "Failed" ]
RuleActionOverrides
— (Array<map>
)Action settings to use in the place of the rule actions that are configured inside the rule group. You specify one override for each rule whose action you want to change.
You can use overrides for testing, for example you can override all of rule actions to
Count
and then monitor the resulting count metrics to understand how the rule group would handle your web traffic. You can also permanently override some or all actions, to modify how the rule group manages your web traffic.Name
— required — (String
)The name of the rule to override.
ActionToUse
— required — (map
)The override action to use, in place of the configured action of the rule in the rule group.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
LabelMatchStatement
— (map
)A rule statement to match against labels that have been added to the web request by rules that have already run in the web ACL.
The label match statement provides the label or namespace string to search for. The label string can represent a part or all of the fully qualified label name that had been added to the web request. Fully qualified labels have a prefix, optional namespaces, and label name. The prefix identifies the rule group or web ACL context of the rule that added the label. If you do not provide the fully qualified name in your label match string, WAF performs the search for labels that were added in the same context as the label match statement.
Scope
— required — (String
)Specify whether you want to match using the label name or just the namespace.
Possible values include:"LABEL"
"NAMESPACE"
Key
— required — (String
)The string to match against. The setting you provide for this depends on the match statement's
Scope
setting:-
If the
Scope
indicatesLABEL
, then this specification must include the name and can include any number of preceding namespace specifications and prefix up to providing the fully qualified label name. -
If the
Scope
indicatesNAMESPACE
, then this specification can include any number of contiguous namespace strings, and can include the entire label namespace prefix from the rule group or web ACL where the label originates.
Labels are case sensitive and components of a label must be separated by colon, for example
NS1:NS2:name
.-
RegexMatchStatement
— (map
)A rule statement used to search web request components for a match against a single regular expression.
RegexString
— required — (String
)The string representing the regular expression.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
Action
— (map
)The action that WAF should take on a web request when it matches the rule statement. Settings at the web ACL level can override the rule action setting.
This is used only for rules whose statements do not reference a rule group. Rule statements that reference a rule group include
RuleGroupReferenceStatement
andManagedRuleGroupStatement
.You must specify either this
Action
setting or the ruleOverrideAction
setting, but not both:-
If the rule statement does not reference a rule group, use this rule action setting and not the rule override action setting.
-
If the rule statement references a rule group, use the override action setting and not this action setting.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
-
OverrideAction
— (map
)The action to use in the place of the action that results from the rule group evaluation. Set the override action to none to leave the result of the rule group alone. Set it to count to override the result to count only.
You can only use this for rule statements that reference a rule group, like
RuleGroupReferenceStatement
andManagedRuleGroupStatement
.Note: This option is usually set to none. It does not affect how the rules in the rule group are evaluated. If you want the rules in the rule group to only count matches, do not use this and instead use the rule action override option, withCount
action, in your rule group reference statement settings.Count
— (map
)Override the rule group evaluation result to count only.
Note: This option is usually set to none. It does not affect how the rules in the rule group are evaluated. If you want the rules in the rule group to only count matches, do not use this and instead use the rule action override option, withCount
action, in your rule group reference statement settings.CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
None
— (map
)Don't override the rule group evaluation result. This is the most common setting.
RuleLabels
— (Array<map>
)Labels to apply to web requests that match the rule match statement. WAF applies fully qualified labels to matching web requests. A fully qualified label is the concatenation of a label namespace and a rule label. The rule's rule group or web ACL defines the label namespace.
Rules that run after this rule in the web ACL can match against these labels using a
LabelMatchStatement
.For each label, provide a case-sensitive string containing optional namespaces and a label name, according to the following guidelines:
-
Separate each component of the label with a colon.
-
Each namespace or name can have up to 128 characters.
-
You can specify up to 5 namespaces in a label.
-
Don't use the following reserved words in your label specification:
aws
,waf
,managed
,rulegroup
,webacl
,regexpatternset
, oripset
.
For example,
myLabelName
ornameSpace1:nameSpace2:myLabelName
.Name
— required — (String
)The label string.
-
VisibilityConfig
— required — (map
)Defines and enables Amazon CloudWatch metrics and web request sample collection.
SampledRequestsEnabled
— required — (Boolean
)A boolean indicating whether WAF should store a sampling of the web requests that match the rules. You can view the sampled requests through the WAF console.
CloudWatchMetricsEnabled
— required — (Boolean
)A boolean indicating whether the associated resource sends metrics to Amazon CloudWatch. For the list of available metrics, see WAF Metrics.
MetricName
— required — (String
)A name of the Amazon CloudWatch metric dimension. The name can contain only the characters: A-Z, a-z, 0-9, - (hyphen), and _ (underscore). The name can be from one to 128 characters long. It can't contain whitespace or metric names that are reserved for WAF, for example
All
andDefault_Action
.
CaptchaConfig
— (map
)Specifies how WAF should handle
CAPTCHA
evaluations. If you don't specify this, WAF uses theCAPTCHA
configuration that's defined for the web ACL.ImmunityTimeProperty
— (map
)Determines how long a
CAPTCHA
timestamp in the token remains valid after the client successfully solves aCAPTCHA
puzzle.ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
ChallengeConfig
— (map
)Specifies how WAF should handle
Challenge
evaluations. If you don't specify this, WAF uses the challenge configuration that's defined for the web ACL.ImmunityTimeProperty
— (map
)Determines how long a challenge timestamp in the token remains valid after the client successfully responds to a challenge.
ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
VisibilityConfig
— (map
)Defines and enables Amazon CloudWatch metrics and web request sample collection.
SampledRequestsEnabled
— required — (Boolean
)A boolean indicating whether WAF should store a sampling of the web requests that match the rules. You can view the sampled requests through the WAF console.
CloudWatchMetricsEnabled
— required — (Boolean
)A boolean indicating whether the associated resource sends metrics to Amazon CloudWatch. For the list of available metrics, see WAF Metrics.
MetricName
— required — (String
)A name of the Amazon CloudWatch metric dimension. The name can contain only the characters: A-Z, a-z, 0-9, - (hyphen), and _ (underscore). The name can be from one to 128 characters long. It can't contain whitespace or metric names that are reserved for WAF, for example
All
andDefault_Action
.
Tags
— (Array<map>
)An array of key:value pairs to associate with the resource.
Key
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag key to describe a category of information, such as "customer." Tag keys are case-sensitive.
Value
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag value to describe a specific value within a category, such as "companyA" or "companyB." Tag values are case-sensitive.
CustomResponseBodies
— (map<map>
)A map of custom response keys and content bodies. When you create a rule with a block action, you can send a custom response to the web request. You define these for the rule group, and then use them in the rules that you define in the rule group.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
ContentType
— required — (String
)The type of content in the payload that you are defining in the
Possible values include:Content
string."TEXT_PLAIN"
"TEXT_HTML"
"APPLICATION_JSON"
Content
— required — (String
)The payload of the custom response.
You can use JSON escape strings in JSON content. To do this, you must specify JSON content in the
ContentType
setting.For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Summary
— (map
)High-level information about a RuleGroup, returned by operations like create and list. This provides information like the ID, that you can use to retrieve and manage a
RuleGroup
, and the ARN, that you provide to the RuleGroupReferenceStatement to use the rule group in a Rule.Name
— (String
)The name of the data type instance. You cannot change the name after you create the instance.
Id
— (String
)A unique identifier for the rule group. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Description
— (String
)A description of the rule group that helps with identification.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.ARN
— (String
)The Amazon Resource Name (ARN) of the entity.
-
(AWS.Response)
—
Returns:
createWebACL(params = {}, callback) ⇒ AWS.Request
Creates a WebACL per the specifications provided.
A web ACL defines a collection of rules to use to inspect and control web requests. Each rule has an action defined (allow, block, or count) for requests that match the statement of the rule. In the web ACL, you assign a default action to take (allow, block) for any request that does not match any of the rules. The rules in a web ACL can be a combination of the types Rule, RuleGroup, and managed rule group. You can associate a web ACL with one or more Amazon Web Services resources to protect. The resources can be an Amazon CloudFront distribution, an Amazon API Gateway REST API, an Application Load Balancer, an AppSync GraphQL API, Amazon Cognito user pool, or an App Runner service.
Service Reference:
Examples:
Calling the createWebACL operation
var params = { DefaultAction: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL, /* required */ VisibilityConfig: { /* required */ CloudWatchMetricsEnabled: true || false, /* required */ MetricName: 'STRING_VALUE', /* required */ SampledRequestsEnabled: true || false /* required */ }, CaptchaConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, ChallengeConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, CustomResponseBodies: { '<EntityName>': { Content: 'STRING_VALUE', /* required */ ContentType: TEXT_PLAIN | TEXT_HTML | APPLICATION_JSON /* required */ }, /* '<EntityName>': ... */ }, Description: 'STRING_VALUE', Rules: [ { Name: 'STRING_VALUE', /* required */ Priority: 'NUMBER_VALUE', /* required */ Statement: { /* Statement */ /* required */ AndStatement: { Statements: [ /* required */ /* recursive Statement */, /* more items */ ] }, ByteMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, PositionalConstraint: EXACTLY | STARTS_WITH | ENDS_WITH | CONTAINS | CONTAINS_WORD, /* required */ SearchString: Buffer.from('...') || 'STRING_VALUE' /* Strings will be Base-64 encoded on your behalf */, /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, GeoMatchStatement: { CountryCodes: [ AF | AX | AL | DZ | AS | AD | AO | AI | AQ | AG | AR | AM | AW | AU | AT | AZ | BS | BH | BD | BB | BY | BE | BZ | BJ | BM | BT | BO | BQ | BA | BW | BV | BR | IO | BN | BG | BF | BI | KH | CM | CA | CV | KY | CF | TD | CL | CN | CX | CC | CO | KM | CG | CD | CK | CR | CI | HR | CU | CW | CY | CZ | DK | DJ | DM | DO | EC | EG | SV | GQ | ER | EE | ET | FK | FO | FJ | FI | FR | GF | PF | TF | GA | GM | GE | DE | GH | GI | GR | GL | GD | GP | GU | GT | GG | GN | GW | GY | HT | HM | VA | HN | HK | HU | IS | IN | ID | IR | IQ | IE | IM | IL | IT | JM | JP | JE | JO | KZ | KE | KI | KP | KR | KW | KG | LA | LV | LB | LS | LR | LY | LI | LT | LU | MO | MK | MG | MW | MY | MV | ML | MT | MH | MQ | MR | MU | YT | MX | FM | MD | MC | MN | ME | MS | MA | MZ | MM | NA | NR | NP | NL | NC | NZ | NI | NE | NG | NU | NF | MP | NO | OM | PK | PW | PS | PA | PG | PY | PE | PH | PN | PL | PT | PR | QA | RE | RO | RU | RW | BL | SH | KN | LC | MF | PM | VC | WS | SM | ST | SA | SN | RS | SC | SL | SG | SX | SK | SI | SB | SO | ZA | GS | SS | ES | LK | SD | SR | SJ | SZ | SE | CH | SY | TW | TJ | TZ | TH | TL | TG | TK | TO | TT | TN | TR | TM | TC | TV | UG | UA | AE | GB | US | UM | UY | UZ | VU | VE | VN | VG | VI | WF | EH | YE | ZM | ZW | XK, /* more items */ ], ForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE' /* required */ } }, IPSetReferenceStatement: { ARN: 'STRING_VALUE', /* required */ IPSetForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE', /* required */ Position: FIRST | LAST | ANY /* required */ } }, LabelMatchStatement: { Key: 'STRING_VALUE', /* required */ Scope: LABEL | NAMESPACE /* required */ }, ManagedRuleGroupStatement: { Name: 'STRING_VALUE', /* required */ VendorName: 'STRING_VALUE', /* required */ ExcludedRules: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ], ManagedRuleGroupConfigs: [ { AWSManagedRulesATPRuleSet: { LoginPath: 'STRING_VALUE', /* required */ RequestInspection: { PasswordField: { /* required */ Identifier: 'STRING_VALUE' /* required */ }, PayloadType: JSON | FORM_ENCODED, /* required */ UsernameField: { /* required */ Identifier: 'STRING_VALUE' /* required */ } }, ResponseInspection: { BodyContains: { FailureStrings: [ /* required */ 'STRING_VALUE', /* more items */ ], SuccessStrings: [ /* required */ 'STRING_VALUE', /* more items */ ] }, Header: { FailureValues: [ /* required */ 'STRING_VALUE', /* more items */ ], Name: 'STRING_VALUE', /* required */ SuccessValues: [ /* required */ 'STRING_VALUE', /* more items */ ] }, Json: { FailureValues: [ /* required */ 'STRING_VALUE', /* more items */ ], Identifier: 'STRING_VALUE', /* required */ SuccessValues: [ /* required */ 'STRING_VALUE', /* more items */ ] }, StatusCode: { FailureCodes: [ /* required */ 'NUMBER_VALUE', /* more items */ ], SuccessCodes: [ /* required */ 'NUMBER_VALUE', /* more items */ ] } } }, AWSManagedRulesBotControlRuleSet: { InspectionLevel: COMMON | TARGETED /* required */ }, LoginPath: 'STRING_VALUE', PasswordField: { Identifier: 'STRING_VALUE' /* required */ }, PayloadType: JSON | FORM_ENCODED, UsernameField: { Identifier: 'STRING_VALUE' /* required */ } }, /* more items */ ], RuleActionOverrides: [ { ActionToUse: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE' /* required */ }, /* more items */ ], ScopeDownStatement: /* recursive Statement */, Version: 'STRING_VALUE' }, NotStatement: { Statement: /* recursive Statement */ }, OrStatement: { Statements: [ /* required */ /* recursive Statement */, /* more items */ ] }, RateBasedStatement: { AggregateKeyType: IP | FORWARDED_IP, /* required */ Limit: 'NUMBER_VALUE', /* required */ ForwardedIPConfig: { FallbackBehavior: MATCH | NO_MATCH, /* required */ HeaderName: 'STRING_VALUE' /* required */ }, ScopeDownStatement: /* recursive Statement */ }, RegexMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, RegexString: 'STRING_VALUE', /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, RegexPatternSetReferenceStatement: { ARN: 'STRING_VALUE', /* required */ FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, RuleGroupReferenceStatement: { ARN: 'STRING_VALUE', /* required */ ExcludedRules: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ], RuleActionOverrides: [ { ActionToUse: { /* required */ Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, Name: 'STRING_VALUE' /* required */ }, /* more items */ ] }, SizeConstraintStatement: { ComparisonOperator: EQ | NE | LE | LT | GE | GT, /* required */ FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, Size: 'NUMBER_VALUE', /* required */ TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] }, SqliMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ], SensitivityLevel: LOW | HIGH }, XssMatchStatement: { FieldToMatch: { /* required */ AllQueryArguments: { }, Body: { OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Cookies: { MatchPattern: { /* required */ All: { }, ExcludedCookies: [ 'STRING_VALUE', /* more items */ ], IncludedCookies: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, Headers: { MatchPattern: { /* required */ All: { }, ExcludedHeaders: [ 'STRING_VALUE', /* more items */ ], IncludedHeaders: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ OversizeHandling: CONTINUE | MATCH | NO_MATCH /* required */ }, JsonBody: { MatchPattern: { /* required */ All: { }, IncludedPaths: [ 'STRING_VALUE', /* more items */ ] }, MatchScope: ALL | KEY | VALUE, /* required */ InvalidFallbackBehavior: MATCH | NO_MATCH | EVALUATE_AS_STRING, OversizeHandling: CONTINUE | MATCH | NO_MATCH }, Method: { }, QueryString: { }, SingleHeader: { Name: 'STRING_VALUE' /* required */ }, SingleQueryArgument: { Name: 'STRING_VALUE' /* required */ }, UriPath: { } }, TextTransformations: [ /* required */ { Priority: 'NUMBER_VALUE', /* required */ Type: NONE | COMPRESS_WHITE_SPACE | HTML_ENTITY_DECODE | LOWERCASE | CMD_LINE | URL_DECODE | BASE64_DECODE | HEX_DECODE | MD5 | REPLACE_COMMENTS | ESCAPE_SEQ_DECODE | SQL_HEX_DECODE | CSS_DECODE | JS_DECODE | NORMALIZE_PATH | NORMALIZE_PATH_WIN | REMOVE_NULLS | REPLACE_NULLS | BASE64_DECODE_EXT | URL_DECODE_UNI | UTF8_TO_UNICODE /* required */ }, /* more items */ ] } }, VisibilityConfig: { /* required */ CloudWatchMetricsEnabled: true || false, /* required */ MetricName: 'STRING_VALUE', /* required */ SampledRequestsEnabled: true || false /* required */ }, Action: { Allow: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Block: { CustomResponse: { ResponseCode: 'NUMBER_VALUE', /* required */ CustomResponseBodyKey: 'STRING_VALUE', ResponseHeaders: [ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Captcha: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Challenge: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } } }, CaptchaConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, ChallengeConfig: { ImmunityTimeProperty: { ImmunityTime: 'NUMBER_VALUE' /* required */ } }, OverrideAction: { Count: { CustomRequestHandling: { InsertHeaders: [ /* required */ { Name: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ] } }, None: { } }, RuleLabels: [ { Name: 'STRING_VALUE' /* required */ }, /* more items */ ] }, /* more items */ ], Tags: [ { Key: 'STRING_VALUE', /* required */ Value: 'STRING_VALUE' /* required */ }, /* more items */ ], TokenDomains: [ 'STRING_VALUE', /* more items */ ] }; wafv2.createWebACL(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the web ACL. You cannot change the name of a web ACL after you create it.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
DefaultAction
— (map
)The action to perform if none of the
Rules
contained in theWebACL
match.Block
— (map
)Specifies that WAF should block requests by default.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Specifies that WAF should allow requests by default.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Description
— (String
)A description of the web ACL that helps with identification.
Rules
— (Array<map>
)The Rule statements used to identify the web requests that you want to allow, block, or count. Each rule includes one top-level statement that WAF uses to identify matching web requests, and parameters that govern how WAF handles them.
Name
— required — (String
)The name of the rule. You can't change the name of a
Rule
after you create it.Priority
— required — (Integer
)If you define more than one
Rule
in aWebACL
, WAF evaluates each request against theRules
in order based on the value ofPriority
. WAF processes rules with lower priority first. The priorities don't need to be consecutive, but they must all be different.Statement
— required — (map
)The WAF processing statement for the rule, for example ByteMatchStatement or SizeConstraintStatement.
ByteMatchStatement
— (map
)A rule statement that defines a string match search for WAF to apply to web requests. The byte match statement provides the bytes to search for, the location in requests that you want WAF to search, and other settings. The bytes to search for are typically a string that corresponds with ASCII characters. In the WAF console and the developer guide, this is called a string match statement.
SearchString
— required — (Buffer, Typed Array, Blob, String
)A string value that you want WAF to search for. WAF searches only in the part of web requests that you designate for inspection in FieldToMatch. The maximum length of the value is 200 bytes.
Valid values depend on the component that you specify for inspection in
FieldToMatch
:-
Method
: The HTTP method that you want WAF to search for. This indicates the type of operation specified in the request. -
UriPath
: The value that you want WAF to search for in the URI path, for example,/images/daily-ad.jpg
.
If
SearchString
includes alphabetic characters A-Z and a-z, note that the value is case sensitive.If you're using the WAF API
Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode it is 200 bytes.
For example, suppose the value of
Type
isHEADER
and the value ofData
isUser-Agent
. If you want to search theUser-Agent
header for the valueBadBot
, you base64-encodeBadBot
using MIME base64-encoding and include the resulting value,QmFkQm90
, in the value ofSearchString
.If you're using the CLI or one of the Amazon Web Services SDKs
The value that you want WAF to search for. The SDK automatically base64 encodes the value.
-
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
PositionalConstraint
— required — (String
)The area within the portion of the web request that you want WAF to search for
SearchString
. Valid values include the following:CONTAINS
The specified part of the web request must include the value of
SearchString
, but the location doesn't matter.CONTAINS_WORD
The specified part of the web request must include the value of
SearchString
, andSearchString
must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or ). In addition,SearchString
must be a word, which means that both of the following are true:-
SearchString
is at the beginning of the specified part of the web request or is preceded by a character other than an alphanumeric character or underscore (). Examples include the value of a header and;BadBot
. -
SearchString
is at the end of the specified part of the web request or is followed by a character other than an alphanumeric character or underscore (_), for example,BadBot;
and-BadBot;
.
EXACTLY
The value of the specified part of the web request must exactly match the value of
SearchString
.STARTS_WITH
The value of
SearchString
must appear at the beginning of the specified part of the web request.ENDS_WITH
The value of
Possible values include:SearchString
must appear at the end of the specified part of the web request."EXACTLY"
"STARTS_WITH"
"ENDS_WITH"
"CONTAINS"
"CONTAINS_WORD"
-
SqliMatchStatement
— (map
)A rule statement that inspects for malicious SQL code. Attackers insert malicious SQL code into web requests to do things like modify your database or extract data from it.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SensitivityLevel
— (String
)The sensitivity that you want WAF to use to inspect for SQL injection attacks.
HIGH
detects more attacks, but might generate more false positives, especially if your web requests frequently contain unusual strings. For information about identifying and mitigating false positives, see Testing and tuning in the WAF Developer Guide.LOW
is generally a better choice for resources that already have other protections against SQL injection attacks or that have a low tolerance for false positives.Default:
Possible values include:LOW
"LOW"
"HIGH"
XssMatchStatement
— (map
)A rule statement that inspects for cross-site scripting (XSS) attacks. In XSS attacks, the attacker uses vulnerabilities in a benign website as a vehicle to inject malicious client-site scripts into other legitimate web browsers.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SizeConstraintStatement
— (map
)A rule statement that compares a number of bytes against the size of a request component, using a comparison operator, such as greater than (>) or less than (<). For example, you can use a size constraint statement to look for query strings that are longer than 100 bytes.
If you configure WAF to inspect the request body, WAF inspects only the first 8192 bytes (8 KB). If the request body for your web requests never exceeds 8192 bytes, you could use a size constraint statement to block requests that have a request body greater than 8192 bytes.
If you choose URI for the value of Part of the request to filter on, the slash (/) in the URI counts as one character. For example, the URI
/logo.jpg
is nine characters long.FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
ComparisonOperator
— required — (String
)The operator to use to compare the request part to the size setting.
Possible values include:"EQ"
"NE"
"LE"
"LT"
"GE"
"GT"
Size
— required — (Integer
)The size, in byte, to compare to the request part, after any transformations.
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
GeoMatchStatement
— (map
)A rule statement that labels web requests by country and region and that matches against web requests based on country code. A geo match rule labels every request that it inspects regardless of whether it finds a match.
-
To manage requests only by country, you can use this statement by itself and specify the countries that you want to match against in the
CountryCodes
array. -
Otherwise, configure your geo match rule with Count action so that it only labels requests. Then, add one or more label match rules to run after the geo match rule and configure them to match against the geographic labels and handle the requests as needed.
WAF labels requests using the alpha-2 country and region codes from the International Organization for Standardization (ISO) 3166 standard. WAF determines the codes using either the IP address in the web request origin or, if you specify it, the address in the geo match
ForwardedIPConfig
.If you use the web request origin, the label formats are
awswaf:clientip:geo:region:<ISO country code>-<ISO region code>
andawswaf:clientip:geo:country:<ISO country code>
.If you use a forwarded IP address, the label formats are
awswaf:forwardedip:geo:region:<ISO country code>-<ISO region code>
andawswaf:forwardedip:geo:country:<ISO country code>
.For additional details, see Geographic match rule statement in the WAF Developer Guide.
CountryCodes
— (Array<String>
)An array of two-character country codes that you want to match against, for example,
[ "US", "CN" ]
, from the alpha-2 country ISO codes of the ISO 3166 international standard.When you use a geo match statement just for the region and country labels that it adds to requests, you still have to supply a country code for the rule to evaluate. In this case, you configure the rule to only count matching requests, but it will still generate logging and count metrics for any matches. You can reduce the logging and metrics that the rule produces by specifying a country that's unlikely to be a source of traffic to your site.
ForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
-
RuleGroupReferenceStatement
— (map
)A rule statement used to run the rules that are defined in a RuleGroup. To use this, create a rule group with your rules, then provide the ARN of the rule group in this statement.
You cannot nest a
RuleGroupReferenceStatement
, for example for use inside aNotStatement
orOrStatement
. You can only use a rule group reference statement at the top level inside a web ACL.ARN
— required — (String
)The Amazon Resource Name (ARN) of the entity.
ExcludedRules
— (Array<map>
)Rules in the referenced rule group whose actions are set to
Count
.Note: Instead of this option, useRuleActionOverrides
. It accepts any valid action setting, includingCount
.Name
— required — (String
)The name of the rule whose action you want to override to
Count
.
RuleActionOverrides
— (Array<map>
)Action settings to use in the place of the rule actions that are configured inside the rule group. You specify one override for each rule whose action you want to change.
You can use overrides for testing, for example you can override all of rule actions to
Count
and then monitor the resulting count metrics to understand how the rule group would handle your web traffic. You can also permanently override some or all actions, to modify how the rule group manages your web traffic.Name
— required — (String
)The name of the rule to override.
ActionToUse
— required — (map
)The override action to use, in place of the configured action of the rule in the rule group.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
IPSetReferenceStatement
— (map
)A rule statement used to detect web requests coming from particular IP addresses or address ranges. To use this, create an IPSet that specifies the addresses you want to detect, then use the ARN of that set in this statement. To create an IP set, see CreateIPSet.
Each IP set rule statement references an IP set. You create and maintain the set independent of your rules. This allows you to use the single set in multiple rules. When you update the referenced set, WAF automatically updates all rules that reference it.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the IPSet that this statement references.
IPSetForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
Position
— required — (String
)The position in the header to search for the IP address. The header can contain IP addresses of the original client and also of proxies. For example, the header value could be
10.1.1.1, 127.0.0.0, 10.10.10.10
where the first IP address identifies the original client and the rest identify proxies that the request went through.The options for this setting are the following:
-
FIRST - Inspect the first IP address in the list of IP addresses in the header. This is usually the client's original IP.
-
LAST - Inspect the last IP address in the list of IP addresses in the header.
-
ANY - Inspect all IP addresses in the header for a match. If the header contains more than 10 IP addresses, WAF inspects the last 10.
"FIRST"
"LAST"
"ANY"
-
RegexPatternSetReferenceStatement
— (map
)A rule statement used to search web request components for matches with regular expressions. To use this, create a RegexPatternSet that specifies the expressions that you want to detect, then use the ARN of that set in this statement. A web request matches the pattern set rule statement if the request component matches any of the patterns in the set. To create a regex pattern set, see CreateRegexPatternSet.
Each regex pattern set rule statement references a regex pattern set. You create and maintain the set independent of your rules. This allows you to use the single set in multiple rules. When you update the referenced set, WAF automatically updates all rules that reference it.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the RegexPatternSet that this statement references.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
RateBasedStatement
— (map
)A rate-based rule tracks the rate of requests for each originating IP address, and triggers the rule action when the rate exceeds a limit that you specify on the number of requests in any 5-minute time span. You can use this to put a temporary block on requests from an IP address that is sending excessive requests.
WAF tracks and manages web requests separately for each instance of a rate-based rule that you use. For example, if you provide the same rate-based rule settings in two web ACLs, each of the two rule statements represents a separate instance of the rate-based rule and gets its own tracking and management by WAF. If you define a rate-based rule inside a rule group, and then use that rule group in multiple places, each use creates a separate instance of the rate-based rule that gets its own tracking and management by WAF.
When the rule action triggers, WAF blocks additional requests from the IP address until the request rate falls below the limit.
You can optionally nest another statement inside the rate-based statement, to narrow the scope of the rule so that it only counts requests that match the nested statement. For example, based on recent requests that you have seen from an attacker, you might create a rate-based rule with a nested AND rule statement that contains the following nested statements:
-
An IP match statement with an IP set that specifies the address 192.0.2.44.
-
A string match statement that searches in the User-Agent header for the string BadBot.
In this rate-based rule, you also define a rate limit. For this example, the rate limit is 1,000. Requests that meet the criteria of both of the nested statements are counted. If the count exceeds 1,000 requests per five minutes, the rule action triggers. Requests that do not meet the criteria of both of the nested statements are not counted towards the rate limit and are not affected by this rule.
You cannot nest a
RateBasedStatement
inside another statement, for example inside aNotStatement
orOrStatement
. You can define aRateBasedStatement
inside a web ACL and inside a rule group.Limit
— required — (Integer
)The limit on requests per 5-minute period for a single originating IP address. If the statement includes a
ScopeDownStatement
, this limit is applied only to the requests that match the statement.AggregateKeyType
— required — (String
)Setting that indicates how to aggregate the request counts. The options are the following:
-
IP - Aggregate the request counts on the IP address from the web request origin.
-
FORWARDED_IP - Aggregate the request counts on the first IP address in an HTTP header. If you use this, configure the
ForwardedIPConfig
, to specify the header to use.
"IP"
"FORWARDED_IP"
-
ForwardedIPConfig
— (map
)The configuration for inspecting IP addresses in an HTTP header that you specify, instead of using the IP address that's reported by the web request origin. Commonly, this is the X-Forwarded-For (XFF) header, but you can specify any header name.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.This is required if
AggregateKeyType
is set toFORWARDED_IP
.HeaderName
— required — (String
)The name of the HTTP header to use for the IP address. For example, to use the X-Forwarded-For (XFF) header, set this to
X-Forwarded-For
.Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.FallbackBehavior
— required — (String
)The match status to assign to the web request if the request doesn't have a valid IP address in the specified position.
Note: If the specified header isn't present in the request, WAF doesn't apply the rule to the web request at all.You can specify the following fallback behaviors:
-
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"MATCH"
"NO_MATCH"
-
-
AndStatement
— (map
)A logical rule statement used to combine other rule statements with AND logic. You provide more than one Statement within the
AndStatement
.Statements
— required — (Array<map>
)The statements to combine with AND logic. You can use any statements that can be nested.
OrStatement
— (map
)A logical rule statement used to combine other rule statements with OR logic. You provide more than one Statement within the
OrStatement
.Statements
— required — (Array<map>
)The statements to combine with OR logic. You can use any statements that can be nested.
NotStatement
— (map
)A logical rule statement used to negate the results of another rule statement. You provide one Statement within the
NotStatement
.ManagedRuleGroupStatement
— (map
)A rule statement used to run the rules that are defined in a managed rule group. To use this, provide the vendor name and the name of the rule group in this statement. You can retrieve the required names by calling ListAvailableManagedRuleGroups.
You cannot nest a
ManagedRuleGroupStatement
, for example for use inside aNotStatement
orOrStatement
. It can only be referenced as a top-level statement within a rule.Note: You are charged additional fees when you use the WAF Bot Control managed rule groupAWSManagedRulesBotControlRuleSet
or the WAF Fraud Control account takeover prevention (ATP) managed rule groupAWSManagedRulesATPRuleSet
. For more information, see WAF Pricing.VendorName
— required — (String
)The name of the managed rule group vendor. You use this, along with the rule group name, to identify the rule group.
Name
— required — (String
)The name of the managed rule group. You use this, along with the vendor name, to identify the rule group.
Version
— (String
)The version of the managed rule group to use. If you specify this, the version setting is fixed until you change it. If you don't specify this, WAF uses the vendor's default version, and then keeps the version at the vendor's default when the vendor updates the managed rule group settings.
ExcludedRules
— (Array<map>
)Rules in the referenced rule group whose actions are set to
Count
.Note: Instead of this option, useRuleActionOverrides
. It accepts any valid action setting, includingCount
.Name
— required — (String
)The name of the rule whose action you want to override to
Count
.
ManagedRuleGroupConfigs
— (Array<map>
)Additional information that's used by a managed rule group. Many managed rule groups don't require this.
Use the
AWSManagedRulesATPRuleSet
configuration object for the account takeover prevention managed rule group, to provide information such as the sign-in page of your application and the type of content to accept or reject from the client.Use the
AWSManagedRulesBotControlRuleSet
configuration object to configure the protection level that you want the Bot Control rule group to use.LoginPath
— (String
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
.PayloadType
— (String
)Note: Instead of this setting, provide your configuration underPossible values include:AWSManagedRulesATPRuleSet
RequestInspection
."JSON"
"FORM_ENCODED"
UsernameField
— (map
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
RequestInspection
.Identifier
— required — (String
)The name of the username field. For example
/form/username
.
PasswordField
— (map
)Note: Instead of this setting, provide your configuration underAWSManagedRulesATPRuleSet
RequestInspection
.Identifier
— required — (String
)The name of the password field. For example
/form/password
.
AWSManagedRulesBotControlRuleSet
— (map
)Additional configuration for using the Bot Control managed rule group. Use this to specify the inspection level that you want to use. For information about using the Bot Control managed rule group, see WAF Bot Control rule group and WAF Bot Control in the WAF Developer Guide.
InspectionLevel
— required — (String
)The inspection level to use for the Bot Control rule group. The common level is the least expensive. The targeted level includes all common level rules and adds rules with more advanced inspection criteria. For details, see WAF Bot Control rule group.
Possible values include:"COMMON"
"TARGETED"
AWSManagedRulesATPRuleSet
— (map
)Additional configuration for using the account takeover prevention (ATP) managed rule group,
AWSManagedRulesATPRuleSet
. Use this to provide login request information to the rule group. For web ACLs that protect CloudFront distributions, use this to also provide the information about how your distribution responds to login requests.This configuration replaces the individual configuration fields in
ManagedRuleGroupConfig
and provides additional feature configuration.For information about using the ATP managed rule group, see WAF Fraud Control account takeover prevention (ATP) rule group and WAF Fraud Control account takeover prevention (ATP) in the WAF Developer Guide.
LoginPath
— required — (String
)The path of the login endpoint for your application. For example, for the URL
https://example.com/web/login
, you would provide the path/web/login
.The rule group inspects only HTTP
POST
requests to your specified login endpoint.RequestInspection
— (map
)The criteria for inspecting login requests, used by the ATP rule group to validate credentials usage.
PayloadType
— required — (String
)The payload type for your login endpoint, either JSON or form encoded.
Possible values include:"JSON"
"FORM_ENCODED"
UsernameField
— required — (map
)Details about your login page username field.
How you specify this depends on the payload type.
-
For JSON payloads, specify the field name in JSON pointer syntax. For information about the JSON Pointer syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.
For example, for the JSON payload
{ "login": { "username": "THE_USERNAME", "password": "THE_PASSWORD" } }
, the username field specification is/login/username
and the password field specification is/login/password
. -
For form encoded payload types, use the HTML form names.
For example, for an HTML form with input elements named
username1
andpassword1
, the username field specification isusername1
and the password field specification ispassword1
.
Identifier
— required — (String
)The name of the username field. For example
/form/username
.
-
PasswordField
— required — (map
)Details about your login page password field.
How you specify this depends on the payload type.
-
For JSON payloads, specify the field name in JSON pointer syntax. For information about the JSON Pointer syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.
For example, for the JSON payload
{ "login": { "username": "THE_USERNAME", "password": "THE_PASSWORD" } }
, the username field specification is/login/username
and the password field specification is/login/password
. -
For form encoded payload types, use the HTML form names.
For example, for an HTML form with input elements named
username1
andpassword1
, the username field specification isusername1
and the password field specification ispassword1
.
Identifier
— required — (String
)The name of the password field. For example
/form/password
.
-
ResponseInspection
— (map
)The criteria for inspecting responses to login requests, used by the ATP rule group to track login failure rates.
The ATP rule group evaluates the responses that your protected resources send back to client login attempts, keeping count of successful and failed attempts from each IP address and client session. Using this information, the rule group labels and mitigates requests from client sessions and IP addresses that submit too many failed login attempts in a short amount of time.
Note: Response inspection is available only in web ACLs that protect Amazon CloudFront distributions.StatusCode
— (map
)Configures inspection of the response status code.
SuccessCodes
— required — (Array<Integer>
)Status codes in the response that indicate a successful login attempt. To be counted as a successful login, the response status code must match one of these. Each code must be unique among the success and failure status codes.
JSON example:
"SuccessCodes": [ 200, 201 ]
FailureCodes
— required — (Array<Integer>
)Status codes in the response that indicate a failed login attempt. To be counted as a failed login, the response status code must match one of these. Each code must be unique among the success and failure status codes.
JSON example:
"FailureCodes": [ 400, 404 ]
Header
— (map
)Configures inspection of the response header.
Name
— required — (String
)The name of the header to match against. The name must be an exact match, including case.
JSON example:
"Name": [ "LoginResult" ]
SuccessValues
— required — (Array<String>
)Values in the response header with the specified name that indicate a successful login attempt. To be counted as a successful login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"SuccessValues": [ "LoginPassed", "Successful login" ]
FailureValues
— required — (Array<String>
)Values in the response header with the specified name that indicate a failed login attempt. To be counted as a failed login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"FailureValues": [ "LoginFailed", "Failed login" ]
BodyContains
— (map
)Configures inspection of the response body. WAF can inspect the first 65,536 bytes (64 KB) of the response body.
SuccessStrings
— required — (Array<String>
)Strings in the body of the response that indicate a successful login attempt. To be counted as a successful login, the string can be anywhere in the body and must be an exact match, including case. Each string must be unique among the success and failure strings.
JSON example:
"SuccessStrings": [ "Login successful", "Welcome to our site!" ]
FailureStrings
— required — (Array<String>
)Strings in the body of the response that indicate a failed login attempt. To be counted as a failed login, the string can be anywhere in the body and must be an exact match, including case. Each string must be unique among the success and failure strings.
JSON example:
"FailureStrings": [ "Login failed" ]
Json
— (map
)Configures inspection of the response JSON. WAF can inspect the first 65,536 bytes (64 KB) of the response JSON.
Identifier
— required — (String
)The identifier for the value to match against in the JSON. The identifier must be an exact match, including case.
JSON example:
"Identifier": [ "/login/success" ]
SuccessValues
— required — (Array<String>
)Values for the specified identifier in the response JSON that indicate a successful login attempt. To be counted as a successful login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"SuccessValues": [ "True", "Succeeded" ]
FailureValues
— required — (Array<String>
)Values for the specified identifier in the response JSON that indicate a failed login attempt. To be counted as a failed login, the value must be an exact match, including case. Each value must be unique among the success and failure values.
JSON example:
"FailureValues": [ "False", "Failed" ]
RuleActionOverrides
— (Array<map>
)Action settings to use in the place of the rule actions that are configured inside the rule group. You specify one override for each rule whose action you want to change.
You can use overrides for testing, for example you can override all of rule actions to
Count
and then monitor the resulting count metrics to understand how the rule group would handle your web traffic. You can also permanently override some or all actions, to modify how the rule group manages your web traffic.Name
— required — (String
)The name of the rule to override.
ActionToUse
— required — (map
)The override action to use, in place of the configured action of the rule in the rule group.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
LabelMatchStatement
— (map
)A rule statement to match against labels that have been added to the web request by rules that have already run in the web ACL.
The label match statement provides the label or namespace string to search for. The label string can represent a part or all of the fully qualified label name that had been added to the web request. Fully qualified labels have a prefix, optional namespaces, and label name. The prefix identifies the rule group or web ACL context of the rule that added the label. If you do not provide the fully qualified name in your label match string, WAF performs the search for labels that were added in the same context as the label match statement.
Scope
— required — (String
)Specify whether you want to match using the label name or just the namespace.
Possible values include:"LABEL"
"NAMESPACE"
Key
— required — (String
)The string to match against. The setting you provide for this depends on the match statement's
Scope
setting:-
If the
Scope
indicatesLABEL
, then this specification must include the name and can include any number of preceding namespace specifications and prefix up to providing the fully qualified label name. -
If the
Scope
indicatesNAMESPACE
, then this specification can include any number of contiguous namespace strings, and can include the entire label namespace prefix from the rule group or web ACL where the label originates.
Labels are case sensitive and components of a label must be separated by colon, for example
NS1:NS2:name
.-
RegexMatchStatement
— (map
)A rule statement used to search web request components for a match against a single regular expression.
RegexString
— required — (String
)The string representing the regular expression.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
Action
— (map
)The action that WAF should take on a web request when it matches the rule statement. Settings at the web ACL level can override the rule action setting.
This is used only for rules whose statements do not reference a rule group. Rule statements that reference a rule group include
RuleGroupReferenceStatement
andManagedRuleGroupStatement
.You must specify either this
Action
setting or the ruleOverrideAction
setting, but not both:-
If the rule statement does not reference a rule group, use this rule action setting and not the rule override action setting.
-
If the rule statement references a rule group, use the override action setting and not this action setting.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
-
OverrideAction
— (map
)The action to use in the place of the action that results from the rule group evaluation. Set the override action to none to leave the result of the rule group alone. Set it to count to override the result to count only.
You can only use this for rule statements that reference a rule group, like
RuleGroupReferenceStatement
andManagedRuleGroupStatement
.Note: This option is usually set to none. It does not affect how the rules in the rule group are evaluated. If you want the rules in the rule group to only count matches, do not use this and instead use the rule action override option, withCount
action, in your rule group reference statement settings.Count
— (map
)Override the rule group evaluation result to count only.
Note: This option is usually set to none. It does not affect how the rules in the rule group are evaluated. If you want the rules in the rule group to only count matches, do not use this and instead use the rule action override option, withCount
action, in your rule group reference statement settings.CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
None
— (map
)Don't override the rule group evaluation result. This is the most common setting.
RuleLabels
— (Array<map>
)Labels to apply to web requests that match the rule match statement. WAF applies fully qualified labels to matching web requests. A fully qualified label is the concatenation of a label namespace and a rule label. The rule's rule group or web ACL defines the label namespace.
Rules that run after this rule in the web ACL can match against these labels using a
LabelMatchStatement
.For each label, provide a case-sensitive string containing optional namespaces and a label name, according to the following guidelines:
-
Separate each component of the label with a colon.
-
Each namespace or name can have up to 128 characters.
-
You can specify up to 5 namespaces in a label.
-
Don't use the following reserved words in your label specification:
aws
,waf
,managed
,rulegroup
,webacl
,regexpatternset
, oripset
.
For example,
myLabelName
ornameSpace1:nameSpace2:myLabelName
.Name
— required — (String
)The label string.
-
VisibilityConfig
— required — (map
)Defines and enables Amazon CloudWatch metrics and web request sample collection.
SampledRequestsEnabled
— required — (Boolean
)A boolean indicating whether WAF should store a sampling of the web requests that match the rules. You can view the sampled requests through the WAF console.
CloudWatchMetricsEnabled
— required — (Boolean
)A boolean indicating whether the associated resource sends metrics to Amazon CloudWatch. For the list of available metrics, see WAF Metrics.
MetricName
— required — (String
)A name of the Amazon CloudWatch metric dimension. The name can contain only the characters: A-Z, a-z, 0-9, - (hyphen), and _ (underscore). The name can be from one to 128 characters long. It can't contain whitespace or metric names that are reserved for WAF, for example
All
andDefault_Action
.
CaptchaConfig
— (map
)Specifies how WAF should handle
CAPTCHA
evaluations. If you don't specify this, WAF uses theCAPTCHA
configuration that's defined for the web ACL.ImmunityTimeProperty
— (map
)Determines how long a
CAPTCHA
timestamp in the token remains valid after the client successfully solves aCAPTCHA
puzzle.ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
ChallengeConfig
— (map
)Specifies how WAF should handle
Challenge
evaluations. If you don't specify this, WAF uses the challenge configuration that's defined for the web ACL.ImmunityTimeProperty
— (map
)Determines how long a challenge timestamp in the token remains valid after the client successfully responds to a challenge.
ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
VisibilityConfig
— (map
)Defines and enables Amazon CloudWatch metrics and web request sample collection.
SampledRequestsEnabled
— required — (Boolean
)A boolean indicating whether WAF should store a sampling of the web requests that match the rules. You can view the sampled requests through the WAF console.
CloudWatchMetricsEnabled
— required — (Boolean
)A boolean indicating whether the associated resource sends metrics to Amazon CloudWatch. For the list of available metrics, see WAF Metrics.
MetricName
— required — (String
)A name of the Amazon CloudWatch metric dimension. The name can contain only the characters: A-Z, a-z, 0-9, - (hyphen), and _ (underscore). The name can be from one to 128 characters long. It can't contain whitespace or metric names that are reserved for WAF, for example
All
andDefault_Action
.
Tags
— (Array<map>
)An array of key:value pairs to associate with the resource.
Key
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag key to describe a category of information, such as "customer." Tag keys are case-sensitive.
Value
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag value to describe a specific value within a category, such as "companyA" or "companyB." Tag values are case-sensitive.
CustomResponseBodies
— (map<map>
)A map of custom response keys and content bodies. When you create a rule with a block action, you can send a custom response to the web request. You define these for the web ACL, and then use them in the rules and default actions that you define in the web ACL.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
ContentType
— required — (String
)The type of content in the payload that you are defining in the
Possible values include:Content
string."TEXT_PLAIN"
"TEXT_HTML"
"APPLICATION_JSON"
Content
— required — (String
)The payload of the custom response.
You can use JSON escape strings in JSON content. To do this, you must specify JSON content in the
ContentType
setting.For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
CaptchaConfig
— (map
)Specifies how WAF should handle
CAPTCHA
evaluations for rules that don't have their ownCaptchaConfig
settings. If you don't specify this, WAF uses its default settings forCaptchaConfig
.ImmunityTimeProperty
— (map
)Determines how long a
CAPTCHA
timestamp in the token remains valid after the client successfully solves aCAPTCHA
puzzle.ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
ChallengeConfig
— (map
)Specifies how WAF should handle challenge evaluations for rules that don't have their own
ChallengeConfig
settings. If you don't specify this, WAF uses its default settings forChallengeConfig
.ImmunityTimeProperty
— (map
)Determines how long a challenge timestamp in the token remains valid after the client successfully responds to a challenge.
ImmunityTime
— required — (Integer
)The amount of time, in seconds, that a
CAPTCHA
or challenge timestamp is considered valid by WAF. The default setting is 300.For the Challenge action, the minimum setting is 300.
TokenDomains
— (Array<String>
)Specifies the domains that WAF should accept in a web request token. This enables the use of tokens across multiple protected websites. When WAF provides a token, it uses the domain of the Amazon Web Services resource that the web ACL is protecting. If you don't specify a list of token domains, WAF accepts tokens only for the domain of the protected resource. With a token domain list, WAF accepts the resource's host domain plus all domains in the token domain list, including their prefixed subdomains.
Example JSON:
"TokenDomains": { "mywebsite.com", "myotherwebsite.com" }
Public suffixes aren't allowed. For example, you can't use
usa.gov
orco.uk
as token domains.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Summary
— (map
)High-level information about a WebACL, returned by operations like create and list. This provides information like the ID, that you can use to retrieve and manage a
WebACL
, and the ARN, that you provide to operations like AssociateWebACL.Name
— (String
)The name of the web ACL. You cannot change the name of a web ACL after you create it.
Id
— (String
)The unique identifier for the web ACL. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Description
— (String
)A description of the web ACL that helps with identification.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.ARN
— (String
)The Amazon Resource Name (ARN) of the entity.
-
(AWS.Response)
—
Returns:
deleteFirewallManagerRuleGroups(params = {}, callback) ⇒ AWS.Request
Deletes all rule groups that are managed by Firewall Manager for the specified web ACL.
You can only use this if
ManagedByFirewallManager
is false in the specified WebACL.Service Reference:
Examples:
Calling the deleteFirewallManagerRuleGroups operation
var params = { WebACLArn: 'STRING_VALUE', /* required */ WebACLLockToken: 'STRING_VALUE' /* required */ }; wafv2.deleteFirewallManagerRuleGroups(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
WebACLArn
— (String
)The Amazon Resource Name (ARN) of the web ACL.
WebACLLockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:NextWebACLLockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
-
(AWS.Response)
—
Returns:
deleteIPSet(params = {}, callback) ⇒ AWS.Request
Deletes the specified IPSet.
Service Reference:
Examples:
Calling the deleteIPSet operation
var params = { Id: 'STRING_VALUE', /* required */ LockToken: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.deleteIPSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the IP set. You cannot change the name of an
IPSet
after you create it.Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
deleteLoggingConfiguration(params = {}, callback) ⇒ AWS.Request
Deletes the LoggingConfiguration from the specified web ACL.
Service Reference:
Examples:
Calling the deleteLoggingConfiguration operation
var params = { ResourceArn: 'STRING_VALUE' /* required */ }; wafv2.deleteLoggingConfiguration(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
ResourceArn
— (String
)The Amazon Resource Name (ARN) of the web ACL from which you want to delete the LoggingConfiguration.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
deletePermissionPolicy(params = {}, callback) ⇒ AWS.Request
Permanently deletes an IAM policy from the specified rule group.
You must be the owner of the rule group to perform this operation.
Service Reference:
Examples:
Calling the deletePermissionPolicy operation
var params = { ResourceArn: 'STRING_VALUE' /* required */ }; wafv2.deletePermissionPolicy(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
ResourceArn
— (String
)The Amazon Resource Name (ARN) of the rule group from which you want to delete the policy.
You must be the owner of the rule group to perform this operation.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
deleteRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Deletes the specified RegexPatternSet.
Service Reference:
Examples:
Calling the deleteRegexPatternSet operation
var params = { Id: 'STRING_VALUE', /* required */ LockToken: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.deleteRegexPatternSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the set. You cannot change the name after you create the set.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
deleteRuleGroup(params = {}, callback) ⇒ AWS.Request
Deletes the specified RuleGroup.
Service Reference:
Examples:
Calling the deleteRuleGroup operation
var params = { Id: 'STRING_VALUE', /* required */ LockToken: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.deleteRuleGroup(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the rule group. You cannot change the name of a rule group after you create it.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the rule group. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
deleteWebACL(params = {}, callback) ⇒ AWS.Request
Deletes the specified WebACL.
You can only use this if
ManagedByFirewallManager
is false in the specified WebACL.Note: Before deleting any web ACL, first disassociate it from all resources.- To retrieve a list of the resources that are associated with a web ACL, use the following calls:
- For regional resources, call ListResourcesForWebACL.
- For Amazon CloudFront distributions, use the CloudFront call
ListDistributionsByWebACLId
. For information, see ListDistributionsByWebACLId.
- To disassociate a resource from a web ACL, use the following calls:
- For regional resources, call DisassociateWebACL.
- For Amazon CloudFront distributions, provide an empty web ACL ID in the CloudFront call
UpdateDistribution
. For information, see UpdateDistribution.
Service Reference:
Examples:
Calling the deleteWebACL operation
var params = { Id: 'STRING_VALUE', /* required */ LockToken: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.deleteWebACL(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the web ACL. You cannot change the name of a web ACL after you create it.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)The unique identifier for the web ACL. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
describeManagedRuleGroup(params = {}, callback) ⇒ AWS.Request
Provides high-level information for a managed rule group, including descriptions of the rules.
Service Reference:
Examples:
Calling the describeManagedRuleGroup operation
var params = { Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL, /* required */ VendorName: 'STRING_VALUE', /* required */ VersionName: 'STRING_VALUE' }; wafv2.describeManagedRuleGroup(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
VendorName
— (String
)The name of the managed rule group vendor. You use this, along with the rule group name, to identify the rule group.
Name
— (String
)The name of the managed rule group. You use this, along with the vendor name, to identify the rule group.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
VersionName
— (String
)The version of the rule group. You can only use a version that is not scheduled for expiration. If you don't provide this, WAF uses the vendor's default version.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:VersionName
— (String
)The managed rule group's version.
SnsTopicArn
— (String
)The Amazon resource name (ARN) of the Amazon Simple Notification Service SNS topic that's used to record changes to the managed rule group. You can subscribe to the SNS topic to receive notifications when the managed rule group is modified, such as for new versions and for version expiration. For more information, see the Amazon Simple Notification Service Developer Guide.
Capacity
— (Integer
)The web ACL capacity units (WCUs) required for this rule group. WAF uses web ACL capacity units (WCU) to calculate and control the operating resources that are used to run your rules, rule groups, and web ACLs. WAF calculates capacity differently for each rule type, to reflect each rule's relative cost. Rule group capacity is fixed at creation, so users can plan their web ACL WCU usage when they use a rule group. The WCU limit for web ACLs is 1,500.
Rules
— (Array<map>
)Name
— (String
)The name of the rule.
Action
— (map
)The action that WAF should take on a web request when it matches a rule's statement. Settings at the web ACL level can override the rule action setting.
Block
— (map
)Instructs WAF to block the web request.
CustomResponse
— (map
)Defines a custom response for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
ResponseCode
— required — (Integer
)The HTTP status code to return to the client.
For a list of status codes that you can use in your custom responses, see Supported status codes for custom response in the WAF Developer Guide.
CustomResponseBodyKey
— (String
)References the response body that you want WAF to return to the web request client. You can define a custom response for a rule action or a default web ACL action that is set to block. To do this, you first define the response body key and value in the
CustomResponseBodies
setting for the WebACL or RuleGroup where you want to use it. Then, in the rule action or web ACL default actionBlockAction
setting, you reference the response body using this key.ResponseHeaders
— (Array<map>
)The HTTP headers to use in the response. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Allow
— (map
)Instructs WAF to allow the web request.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Count
— (map
)Instructs WAF to count the web request and then continue evaluating the request using the remaining rules in the web ACL.
CustomRequestHandling
— (map
)Defines custom handling for the web request.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Captcha
— (map
)Instructs WAF to run a
CAPTCHA
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the
CAPTCHA
inspection determines that the request's token is valid and unexpired.For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
Challenge
— (map
)Instructs WAF to run a
Challenge
check against the web request.CustomRequestHandling
— (map
)Defines custom handling for the web request, used when the challenge inspection determines that the request's token is valid and unexpired.
For information about customizing web requests and responses, see Customizing web requests and responses in WAF in the WAF Developer Guide.
InsertHeaders
— required — (Array<map>
)The HTTP headers to insert into the request. Duplicate header names are not allowed.
For information about the limits on count and size for custom request and response settings, see WAF quotas in the WAF Developer Guide.
Name
— required — (String
)The name of the custom header.
For custom request header insertion, when WAF inserts the header into the request, it prefixes this name
x-amzn-waf-
, to avoid confusion with the headers that are already in the request. For example, for the header namesample
, WAF inserts the headerx-amzn-waf-sample
.Value
— required — (String
)The value of the custom header.
LabelNamespace
— (String
)The label namespace prefix for this rule group. All labels added by rules in this rule group have this prefix.
-
The syntax for the label namespace prefix for a managed rule group is the following:
awswaf:managed:<vendor>:<rule group name>
: -
When a rule with a label matches a web request, WAF adds the fully qualified label to the request. A fully qualified label is made up of the label namespace from the rule group or web ACL where the rule is defined and the label from the rule, separated by a colon:
<label namespace>:<label from rule>
-
AvailableLabels
— (Array<map>
)The labels that one or more rules in this rule group add to matching web requests. These labels are defined in the
RuleLabels
for a Rule.Name
— (String
)An individual label specification.
ConsumedLabels
— (Array<map>
)The labels that one or more rules in this rule group match against in label match statements. These labels are defined in a
LabelMatchStatement
specification, in the Statement definition of a rule.Name
— (String
)An individual label specification.
-
(AWS.Response)
—
Returns:
disassociateWebACL(params = {}, callback) ⇒ AWS.Request
Disassociates the specified regional application resource from any existing web ACL association. A resource can have at most one web ACL association. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
For Amazon CloudFront, don't use this call. Instead, use your CloudFront distribution configuration. To disassociate a web ACL, provide an empty web ACL ID in the CloudFront call
UpdateDistribution
. For information, see UpdateDistribution.Service Reference:
Examples:
Calling the disassociateWebACL operation
var params = { ResourceArn: 'STRING_VALUE' /* required */ }; wafv2.disassociateWebACL(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
ResourceArn
— (String
)The Amazon Resource Name (ARN) of the resource to disassociate from the web ACL.
The ARN must be in one of the following formats:
-
For an Application Load Balancer:
arn:aws:elasticloadbalancing:region:account-id:loadbalancer/app/load-balancer-name/load-balancer-id
-
For an Amazon API Gateway REST API:
arn:aws:apigateway:region::/restapis/api-id/stages/stage-name
-
For an AppSync GraphQL API:
arn:aws:appsync:region:account-id:apis/GraphQLApiId
-
For an Amazon Cognito user pool:
arn:aws:cognito-idp:region:account-id:userpool/user-pool-id
-
For an App Runner service:
arn:aws:apprunner:region:account-id:service/apprunner-service-name/apprunner-service-id
-
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs.
-
(AWS.Response)
—
Returns:
generateMobileSdkReleaseUrl(params = {}, callback) ⇒ AWS.Request
Generates a presigned download URL for the specified release of the mobile SDK.
The mobile SDK is not generally available. Customers who have access to the mobile SDK can use it to establish and manage WAF tokens for use in HTTP(S) requests from a mobile device to WAF. For more information, see WAF client application integration in the WAF Developer Guide.
Service Reference:
Examples:
Calling the generateMobileSdkReleaseUrl operation
var params = { Platform: IOS | ANDROID, /* required */ ReleaseVersion: 'STRING_VALUE' /* required */ }; wafv2.generateMobileSdkReleaseUrl(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Platform
— (String
)The device platform.
Possible values include:"IOS"
"ANDROID"
ReleaseVersion
— (String
)The release version. For the latest available version, specify
LATEST
.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Url
— (String
)The presigned download URL for the specified SDK release.
-
(AWS.Response)
—
Returns:
getIPSet(params = {}, callback) ⇒ AWS.Request
Examples:
Calling the getIPSet operation
var params = { Id: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.getIPSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the IP set. You cannot change the name of an
IPSet
after you create it.Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:IPSet
— (map
)Name
— required — (String
)The name of the IP set. You cannot change the name of an
IPSet
after you create it.Id
— required — (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the entity.
Description
— (String
)A description of the IP set that helps with identification.
IPAddressVersion
— required — (String
)The version of the IP addresses, either
Possible values include:IPV4
orIPV6
."IPV4"
"IPV6"
Addresses
— required — (Array<String>
)Contains an array of strings that specifies zero or more IP addresses or blocks of IP addresses. All addresses must be specified using Classless Inter-Domain Routing (CIDR) notation. WAF supports all IPv4 and IPv6 CIDR ranges except for
/0
.Example address strings:
-
To configure WAF to allow, block, or count requests that originated from the IP address 192.0.2.44, specify
192.0.2.44/32
. -
To configure WAF to allow, block, or count requests that originated from IP addresses from 192.0.2.0 to 192.0.2.255, specify
192.0.2.0/24
. -
To configure WAF to allow, block, or count requests that originated from the IP address 1111:0000:0000:0000:0000:0000:0000:0111, specify
1111:0000:0000:0000:0000:0000:0000:0111/128
. -
To configure WAF to allow, block, or count requests that originated from IP addresses 1111:0000:0000:0000:0000:0000:0000:0000 to 1111:0000:0000:0000:ffff:ffff:ffff:ffff, specify
1111:0000:0000:0000:0000:0000:0000:0000/64
.
For more information about CIDR notation, see the Wikipedia entry Classless Inter-Domain Routing.
Example JSON
Addresses
specifications:-
Empty array:
"Addresses": []
-
Array with one address:
"Addresses": ["192.0.2.44/32"]
-
Array with three addresses:
"Addresses": ["192.0.2.44/32", "192.0.2.0/24", "192.0.0.0/16"]
-
INVALID specification:
"Addresses": [""]
INVALID
-
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
-
(AWS.Response)
—
Returns:
getLoggingConfiguration(params = {}, callback) ⇒ AWS.Request
Returns the LoggingConfiguration for the specified web ACL.
Service Reference:
Examples:
Calling the getLoggingConfiguration operation
var params = { ResourceArn: 'STRING_VALUE' /* required */ }; wafv2.getLoggingConfiguration(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
ResourceArn
— (String
)The Amazon Resource Name (ARN) of the web ACL for which you want to get the LoggingConfiguration.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:LoggingConfiguration
— (map
)The LoggingConfiguration for the specified web ACL.
ResourceArn
— required — (String
)The Amazon Resource Name (ARN) of the web ACL that you want to associate with
LogDestinationConfigs
.LogDestinationConfigs
— required — (Array<String>
)The logging destination configuration that you want to associate with the web ACL.
Note: You can associate one logging destination to a web ACL.RedactedFields
— (Array<map>
)The parts of the request that you want to keep out of the logs. For example, if you redact the
SingleHeader
field, theHEADER
field in the logs will beREDACTED
.Note: You can specify only the following fields for redaction:UriPath
,QueryString
,SingleHeader
,Method
, andJsonBody
.SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
ManagedByFirewallManager
— (Boolean
)Indicates whether the logging configuration was created by Firewall Manager, as part of an WAF policy configuration. If true, only Firewall Manager can modify or delete the configuration.
LoggingFilter
— (map
)Filtering that specifies which web requests are kept in the logs and which are dropped. You can filter on the rule action and on the web request labels that were applied by matching rules during web ACL evaluation.
Filters
— required — (Array<map>
)The filters that you want to apply to the logs.
Behavior
— required — (String
)How to handle logs that satisfy the filter's conditions and requirement.
Possible values include:"KEEP"
"DROP"
Requirement
— required — (String
)Logic to apply to the filtering conditions. You can specify that, in order to satisfy the filter, a log must match all conditions or must match at least one condition.
Possible values include:"MEETS_ALL"
"MEETS_ANY"
Conditions
— required — (Array<map>
)Match conditions for the filter.
ActionCondition
— (map
)A single action condition. This is the action setting that a log record must contain in order to meet the condition.
Action
— required — (String
)The action setting that a log record must contain in order to meet the condition. This is the action that WAF applied to the web request.
For rule groups, this is either the configured rule action setting, or if you've applied a rule action override to the rule, it's the override action. The value
Possible values include:EXCLUDED_AS_COUNT
matches on excluded rules and also on rules that have a rule action override of Count."ALLOW"
"BLOCK"
"COUNT"
"CAPTCHA"
"CHALLENGE"
"EXCLUDED_AS_COUNT"
LabelNameCondition
— (map
)A single label name condition. This is the fully qualified label name that a log record must contain in order to meet the condition. Fully qualified labels have a prefix, optional namespaces, and label name. The prefix identifies the rule group or web ACL context of the rule that added the label.
LabelName
— required — (String
)The label name that a log record must contain in order to meet the condition. This must be a fully qualified label name. Fully qualified labels have a prefix, optional namespaces, and label name. The prefix identifies the rule group or web ACL context of the rule that added the label.
DefaultBehavior
— required — (String
)Default handling for logs that don't match any of the specified filtering conditions.
Possible values include:"KEEP"
"DROP"
-
(AWS.Response)
—
Returns:
getManagedRuleSet(params = {}, callback) ⇒ AWS.Request
Retrieves the specified managed rule set.
Note: This is intended for use only by vendors of managed rule sets. Vendors are Amazon Web Services and Amazon Web Services Marketplace sellers. Vendors, you can use the managed rule set APIs to provide controlled rollout of your versioned managed rule group offerings for your customers. The APIs areListManagedRuleSets
,GetManagedRuleSet
,PutManagedRuleSetVersions
, andUpdateManagedRuleSetVersionExpiryDate
.Service Reference:
Examples:
Calling the getManagedRuleSet operation
var params = { Id: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.getManagedRuleSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the managed rule set. You use this, along with the rule set ID, to identify the rule set.
This name is assigned to the corresponding managed rule group, which your customers can access and use.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the managed rule set. The ID is returned in the responses to commands like
list
. You provide it to operations likeget
andupdate
.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:ManagedRuleSet
— (map
)The managed rule set that you requested.
Name
— required — (String
)The name of the managed rule set. You use this, along with the rule set ID, to identify the rule set.
This name is assigned to the corresponding managed rule group, which your customers can access and use.
Id
— required — (String
)A unique identifier for the managed rule set. The ID is returned in the responses to commands like
list
. You provide it to operations likeget
andupdate
.ARN
— required — (String
)The Amazon Resource Name (ARN) of the entity.
Description
— (String
)A description of the set that helps with identification.
PublishedVersions
— (map<map>
)The versions of this managed rule set that are available for use by customers.
AssociatedRuleGroupArn
— (String
)The Amazon Resource Name (ARN) of the vendor rule group that's used to define the published version of your managed rule group.
Capacity
— (Integer
)The web ACL capacity units (WCUs) required for this rule group.
WAF uses WCUs to calculate and control the operating resources that are used to run your rules, rule groups, and web ACLs. WAF calculates capacity differently for each rule type, to reflect the relative cost of each rule. Simple rules that cost little to run use fewer WCUs than more complex rules that use more processing power. Rule group capacity is fixed at creation, which helps users plan their web ACL WCU usage when they use a rule group. The WCU limit for web ACLs is 1,500.
ForecastedLifetime
— (Integer
)The amount of time you expect this version of your managed rule group to last, in days.
PublishTimestamp
— (Date
)The time that you first published this version.
Times are in Coordinated Universal Time (UTC) format. UTC format includes the special designator, Z. For example, "2016-09-27T14:50Z".
LastUpdateTimestamp
— (Date
)The last time that you updated this version.
Times are in Coordinated Universal Time (UTC) format. UTC format includes the special designator, Z. For example, "2016-09-27T14:50Z".
ExpiryTimestamp
— (Date
)The time that this version is set to expire.
Times are in Coordinated Universal Time (UTC) format. UTC format includes the special designator, Z. For example, "2016-09-27T14:50Z".
RecommendedVersion
— (String
)The version that you would like your customers to use.
LabelNamespace
— (String
)The label namespace prefix for the managed rule groups that are offered to customers from this managed rule set. All labels that are added by rules in the managed rule group have this prefix.
-
The syntax for the label namespace prefix for a managed rule group is the following:
awswaf:managed:<vendor>:<rule group name>
: -
When a rule with a label matches a web request, WAF adds the fully qualified label to the request. A fully qualified label is made up of the label namespace from the rule group or web ACL where the rule is defined and the label from the rule, separated by a colon:
<label namespace>:<label from rule>
-
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
-
(AWS.Response)
—
Returns:
getMobileSdkRelease(params = {}, callback) ⇒ AWS.Request
Retrieves information for the specified mobile SDK release, including release notes and tags.
The mobile SDK is not generally available. Customers who have access to the mobile SDK can use it to establish and manage WAF tokens for use in HTTP(S) requests from a mobile device to WAF. For more information, see WAF client application integration in the WAF Developer Guide.
Service Reference:
Examples:
Calling the getMobileSdkRelease operation
var params = { Platform: IOS | ANDROID, /* required */ ReleaseVersion: 'STRING_VALUE' /* required */ }; wafv2.getMobileSdkRelease(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Platform
— (String
)The device platform.
Possible values include:"IOS"
"ANDROID"
ReleaseVersion
— (String
)The release version. For the latest available version, specify
LATEST
.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:MobileSdkRelease
— (map
)Information for a specified SDK release, including release notes and tags.
ReleaseVersion
— (String
)The release version.
Timestamp
— (Date
)The timestamp of the release.
ReleaseNotes
— (String
)Notes describing the release.
Tags
— (Array<map>
)Tags that are associated with the release.
Key
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag key to describe a category of information, such as "customer." Tag keys are case-sensitive.
Value
— required — (String
)Part of the key:value pair that defines a tag. You can use a tag value to describe a specific value within a category, such as "companyA" or "companyB." Tag values are case-sensitive.
-
(AWS.Response)
—
Returns:
getPermissionPolicy(params = {}, callback) ⇒ AWS.Request
Returns the IAM policy that is attached to the specified rule group.
You must be the owner of the rule group to perform this operation.
Service Reference:
Examples:
Calling the getPermissionPolicy operation
var params = { ResourceArn: 'STRING_VALUE' /* required */ }; wafv2.getPermissionPolicy(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
ResourceArn
— (String
)The Amazon Resource Name (ARN) of the rule group for which you want to get the policy.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:Policy
— (String
)The IAM policy that is attached to the specified rule group.
-
(AWS.Response)
—
Returns:
getRateBasedStatementManagedKeys(params = {}, callback) ⇒ AWS.Request
Retrieves the keys that are currently blocked by a rate-based rule instance. The maximum number of managed keys that can be blocked for a single rate-based rule instance is 10,000. If more than 10,000 addresses exceed the rate limit, those with the highest rates are blocked.
For a rate-based rule that you've defined inside a rule group, provide the name of the rule group reference statement in your request, in addition to the rate-based rule name and the web ACL name.
WAF monitors web requests and manages keys independently for each unique combination of web ACL, optional rule group, and rate-based rule. For example, if you define a rate-based rule inside a rule group, and then use the rule group in a web ACL, WAF monitors web requests and manages keys for that web ACL, rule group reference statement, and rate-based rule instance. If you use the same rule group in a second web ACL, WAF monitors web requests and manages keys for this second usage completely independent of your first.
Service Reference:
Examples:
Calling the getRateBasedStatementManagedKeys operation
var params = { RuleName: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL, /* required */ WebACLId: 'STRING_VALUE', /* required */ WebACLName: 'STRING_VALUE', /* required */ RuleGroupRuleName: 'STRING_VALUE' }; wafv2.getRateBasedStatementManagedKeys(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
WebACLName
— (String
)The name of the web ACL. You cannot change the name of a web ACL after you create it.
WebACLId
— (String
)The unique identifier for the web ACL. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
RuleGroupRuleName
— (String
)The name of the rule group reference statement in your web ACL. This is required only when you have the rate-based rule nested inside a rule group.
RuleName
— (String
)The name of the rate-based rule to get the keys for. If you have the rule defined inside a rule group that you're using in your web ACL, also provide the name of the rule group reference statement in the request parameter
RuleGroupRuleName
.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:ManagedKeysIPV4
— (map
)The keys that are of Internet Protocol version 4 (IPv4).
IPAddressVersion
— (String
)The version of the IP addresses, either
Possible values include:IPV4
orIPV6
."IPV4"
"IPV6"
Addresses
— (Array<String>
)The IP addresses that are currently blocked.
ManagedKeysIPV6
— (map
)The keys that are of Internet Protocol version 6 (IPv6).
IPAddressVersion
— (String
)The version of the IP addresses, either
Possible values include:IPV4
orIPV6
."IPV4"
"IPV6"
Addresses
— (Array<String>
)The IP addresses that are currently blocked.
-
(AWS.Response)
—
Returns:
getRegexPatternSet(params = {}, callback) ⇒ AWS.Request
Retrieves the specified RegexPatternSet.
Service Reference:
Examples:
Calling the getRegexPatternSet operation
var params = { Id: 'STRING_VALUE', /* required */ Name: 'STRING_VALUE', /* required */ Scope: CLOUDFRONT | REGIONAL /* required */ }; wafv2.getRegexPatternSet(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the set. You cannot change the name after you create the set.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:RegexPatternSet
— (map
)Name
— (String
)The name of the set. You cannot change the name after you create the set.
Id
— (String
)A unique identifier for the set. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
ARN
— (String
)The Amazon Resource Name (ARN) of the entity.
Description
— (String
)A description of the set that helps with identification.
RegularExpressionList
— (Array<map>
)The regular expression patterns in the set.
RegexString
— (String
)The string representing the regular expression.
LockToken
— (String
)A token used for optimistic locking. WAF returns a token to your
get
andlist
requests, to mark the state of the entity at the time of the request. To make changes to the entity associated with the token, you provide the token to operations likeupdate
anddelete
. WAF uses the token to ensure that no changes have been made to the entity since you last retrieved it. If a change has been made, the update fails with aWAFOptimisticLockException
. If this happens, perform anotherget
, and use the new token returned by that operation.
-
(AWS.Response)
—
Returns:
getRuleGroup(params = {}, callback) ⇒ AWS.Request
Retrieves the specified RuleGroup.
Service Reference:
Examples:
Calling the getRuleGroup operation
var params = { ARN: 'STRING_VALUE', Id: 'STRING_VALUE', Name: 'STRING_VALUE', Scope: CLOUDFRONT | REGIONAL }; wafv2.getRuleGroup(params, function(err, data) { if (err) console.log(err, err.stack); // an error occurred else console.log(data); // successful response });
Parameters:
-
params
(Object)
(defaults to: {})
—
Name
— (String
)The name of the rule group. You cannot change the name of a rule group after you create it.
Scope
— (String
)Specifies whether this is for an Amazon CloudFront distribution or for a regional application. A regional application can be an Application Load Balancer (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, a Amazon Cognito user pool, or an App Runner service.
To work with CloudFront, you must also specify the Region US East (N. Virginia) as follows:
-
CLI - Specify the Region when you use the CloudFront scope:
--scope=CLOUDFRONT --region=us-east-1
. -
API and SDKs - For all calls, use the Region endpoint us-east-1.
"CLOUDFRONT"
"REGIONAL"
-
Id
— (String
)A unique identifier for the rule group. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
ARN
— (String
)The Amazon Resource Name (ARN) of the entity.
Callback (callback):
-
function(err, data) { ... }
Called when a response from the service is returned. If a callback is not supplied, you must call AWS.Request.send() on the returned request object to initiate the request.
Context (this):
-
(AWS.Response)
—
the response object containing error, data properties, and the original request object.
Parameters:
-
err
(Error)
—
the error object returned from the request. Set to
null
if the request is successful. -
data
(Object)
—
the de-serialized data returned from the request. Set to
null
if a request error occurs. Thedata
object has the following properties:RuleGroup
— (map
)Name
— required — (String
)The name of the rule group. You cannot change the name of a rule group after you create it.
Id
— required — (String
)A unique identifier for the rule group. This ID is returned in the responses to create and list commands. You provide it to operations like update and delete.
Capacity
— required — (Integer
)The web ACL capacity units (WCUs) required for this rule group.
When you create your own rule group, you define this, and you cannot change it after creation. When you add or modify the rules in a rule group, WAF enforces this limit. You can check the capacity for a set of rules using CheckCapacity.
WAF uses WCUs to calculate and control the operating resources that are used to run your rules, rule groups, and web ACLs. WAF calculates capacity differently for each rule type, to reflect the relative cost of each rule. Simple rules that cost little to run use fewer WCUs than more complex rules that use more processing power. Rule group capacity is fixed at creation, which helps users plan their web ACL WCU usage when they use a rule group. The WCU limit for web ACLs is 1,500.
ARN
— required — (String
)The Amazon Resource Name (ARN) of the entity.
Description
— (String
)A description of the rule group that helps with identification.
Rules
— (Array<map>
)The Rule statements used to identify the web requests that you want to allow, block, or count. Each rule includes one top-level statement that WAF uses to identify matching web requests, and parameters that govern how WAF handles them.
Name
— required — (String
)The name of the rule. You can't change the name of a
Rule
after you create it.Priority
— required — (Integer
)If you define more than one
Rule
in aWebACL
, WAF evaluates each request against theRules
in order based on the value ofPriority
. WAF processes rules with lower priority first. The priorities don't need to be consecutive, but they must all be different.Statement
— required — (map
)The WAF processing statement for the rule, for example ByteMatchStatement or SizeConstraintStatement.
ByteMatchStatement
— (map
)A rule statement that defines a string match search for WAF to apply to web requests. The byte match statement provides the bytes to search for, the location in requests that you want WAF to search, and other settings. The bytes to search for are typically a string that corresponds with ASCII characters. In the WAF console and the developer guide, this is called a string match statement.
SearchString
— required — (Buffer, Typed Array, Blob, String
)A string value that you want WAF to search for. WAF searches only in the part of web requests that you designate for inspection in FieldToMatch. The maximum length of the value is 200 bytes.
Valid values depend on the component that you specify for inspection in
FieldToMatch
:-
Method
: The HTTP method that you want WAF to search for. This indicates the type of operation specified in the request. -
UriPath
: The value that you want WAF to search for in the URI path, for example,/images/daily-ad.jpg
.
If
SearchString
includes alphabetic characters A-Z and a-z, note that the value is case sensitive.If you're using the WAF API
Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode it is 200 bytes.
For example, suppose the value of
Type
isHEADER
and the value ofData
isUser-Agent
. If you want to search theUser-Agent
header for the valueBadBot
, you base64-encodeBadBot
using MIME base64-encoding and include the resulting value,QmFkQm90
, in the value ofSearchString
.If you're using the CLI or one of the Amazon Web Services SDKs
The value that you want WAF to search for. The SDK automatically base64 encodes the value.
-
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
PositionalConstraint
— required — (String
)The area within the portion of the web request that you want WAF to search for
SearchString
. Valid values include the following:CONTAINS
The specified part of the web request must include the value of
SearchString
, but the location doesn't matter.CONTAINS_WORD
The specified part of the web request must include the value of
SearchString
, andSearchString
must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or ). In addition,SearchString
must be a word, which means that both of the following are true:-
SearchString
is at the beginning of the specified part of the web request or is preceded by a character other than an alphanumeric character or underscore (). Examples include the value of a header and;BadBot
. -
SearchString
is at the end of the specified part of the web request or is followed by a character other than an alphanumeric character or underscore (_), for example,BadBot;
and-BadBot;
.
EXACTLY
The value of the specified part of the web request must exactly match the value of
SearchString
.STARTS_WITH
The value of
SearchString
must appear at the beginning of the specified part of the web request.ENDS_WITH
The value of
Possible values include:SearchString
must appear at the end of the specified part of the web request."EXACTLY"
"STARTS_WITH"
"ENDS_WITH"
"CONTAINS"
"CONTAINS_WORD"
-
SqliMatchStatement
— (map
)A rule statement that inspects for malicious SQL code. Attackers insert malicious SQL code into web requests to do things like modify your database or extract data from it.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
Replace multiple spaces with one space
-
Convert uppercase letters (A-Z) to lowercase (a-z)
COMPRESS_WHITE_SPACE - Replace these characters with a space character (decimal 32):
-
\f
, formfeed, decimal 12 -
\t
, tab, decimal 9 -
\n
, newline, decimal 10 -
\r
, carriage return, decimal 13 -
\v
, vertical tab, decimal 11 -
Non-breaking space, decimal 160
COMPRESS_WHITE_SPACE
also replaces multiple spaces with one space.CSS_DECODE - Decode characters that were encoded using CSS 2.x escape rules
syndata.html#characters
. This function uses up to two bytes in the decoding process, so it can help to uncover ASCII characters that were encoded using CSS encoding that wouldn’t typically be encoded. It's also useful in countering evasion, which is a combination of a backslash and non-hexadecimal characters. For example,ja\vascript
for javascript.ESCAPE_SEQ_DECODE - Decode the following ANSI C escape sequences:
\a
,\b
,\f
,\n
,\r
,\t
,\v
,\
,\?
,\'
,\"
,\xHH
(hexadecimal),\0OOO
(octal). Encodings that aren't valid remain in the output.HEX_DECODE - Decode a string of hexadecimal characters into a binary.
HTML_ENTITY_DECODE - Replace HTML-encoded characters with unencoded characters.
HTML_ENTITY_DECODE
performs these operations:-
Replaces
(ampersand)quot;
with"
-
Replaces
(ampersand)nbsp;
with a non-breaking space, decimal 160 -
Replaces
(ampersand)lt;
with a "less than" symbol -
Replaces
(ampersand)gt;
with>
-
Replaces characters that are represented in hexadecimal format,
(ampersand)#xhhhh;
, with the corresponding characters -
Replaces characters that are represented in decimal format,
(ampersand)#nnnn;
, with the corresponding characters
JS_DECODE - Decode JavaScript escape sequences. If a
\
u
HHHH
code is in the full-width ASCII code range ofFF01-FF5E
, then the higher byte is used to detect and adjust the lower byte. If not, only the lower byte is used and the higher byte is zeroed, causing a possible loss of information.LOWERCASE - Convert uppercase letters (A-Z) to lowercase (a-z).
MD5 - Calculate an MD5 hash from the data in the input. The computed hash is in a raw binary form.
NONE - Specify
NONE
if you don't want any text transformations.NORMALIZE_PATH - Remove multiple slashes, directory self-references, and directory back-references that are not at the beginning of the input from an input string.
NORMALIZE_PATH_WIN - This is the same as
NORMALIZE_PATH
, but first converts backslash characters to forward slashes.REMOVE_NULLS - Remove all
NULL
bytes from the input.REPLACE_COMMENTS - Replace each occurrence of a C-style comment (
/* ... */
) with a single space. Multiple consecutive occurrences are not compressed. Unterminated comments are also replaced with a space (ASCII 0x20). However, a standalone termination of a comment (*/
) is not acted upon.REPLACE_NULLS - Replace NULL bytes in the input with space characters (ASCII
0x20
).SQL_HEX_DECODE - Decode SQL hex data. Example (
0x414243
) will be decoded to (ABC
).URL_DECODE - Decode a URL-encoded value.
URL_DECODE_UNI - Like
URL_DECODE
, but with support for Microsoft-specific%u
encoding. If the code is in the full-width ASCII code range ofFF01-FF5E
, the higher byte is used to detect and adjust the lower byte. Otherwise, only the lower byte is used and the higher byte is zeroed.UTF8_TO_UNICODE - Convert all UTF-8 character sequences to Unicode. This helps input normalization, and minimizing false-positives and false-negatives for non-English languages.
Possible values include:"NONE"
"COMPRESS_WHITE_SPACE"
"HTML_ENTITY_DECODE"
"LOWERCASE"
"CMD_LINE"
"URL_DECODE"
"BASE64_DECODE"
"HEX_DECODE"
"MD5"
"REPLACE_COMMENTS"
"ESCAPE_SEQ_DECODE"
"SQL_HEX_DECODE"
"CSS_DECODE"
"JS_DECODE"
"NORMALIZE_PATH"
"NORMALIZE_PATH_WIN"
"REMOVE_NULLS"
"REPLACE_NULLS"
"BASE64_DECODE_EXT"
"URL_DECODE_UNI"
"UTF8_TO_UNICODE"
-
SensitivityLevel
— (String
)The sensitivity that you want WAF to use to inspect for SQL injection attacks.
HIGH
detects more attacks, but might generate more false positives, especially if your web requests frequently contain unusual strings. For information about identifying and mitigating false positives, see Testing and tuning in the WAF Developer Guide.LOW
is generally a better choice for resources that already have other protections against SQL injection attacks or that have a low tolerance for false positives.Default:
Possible values include:LOW
"LOW"
"HIGH"
XssMatchStatement
— (map
)A rule statement that inspects for cross-site scripting (XSS) attacks. In XSS attacks, the attacker uses vulnerabilities in a benign website as a vehicle to inject malicious client-site scripts into other legitimate web browsers.
FieldToMatch
— required — (map
)The part of the web request that you want WAF to inspect.
SingleHeader
— (map
)Inspect a single header. Provide the name of the header to inspect, for example,
User-Agent
orReferer
. This setting isn't case sensitive.Example JSON:
"SingleHeader": { "Name": "haystack" }
Alternately, you can filter and inspect all headers with the
Headers
FieldToMatch
setting.Name
— required — (String
)The name of the query header to inspect.
SingleQueryArgument
— (map
)Inspect a single query argument. Provide the name of the query argument to inspect, such as UserName or SalesRegion. The name can be up to 30 characters long and isn't case sensitive.
Example JSON:
"SingleQueryArgument": { "Name": "myArgument" }
Name
— required — (String
)The name of the query argument to inspect.
AllQueryArguments
— (map
)Inspect all query arguments.
UriPath
— (map
)Inspect the request URI path. This is the part of the web request that identifies a resource, for example,
/images/daily-ad.jpg
.QueryString
— (map
)Inspect the query string. This is the part of a URL that appears after a
?
character, if any.Body
— (map
)Inspect the request body as plain text. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
Body
object configuration.OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Method
— (map
)Inspect the HTTP method. The method indicates the type of operation that the request is asking the origin to perform.
JsonBody
— (map
)Inspect the request body as JSON. The request body immediately follows the request headers. This is the part of a request that contains any additional data that you want to send to your web server as the HTTP request body, such as data from a form.
Only the first 8 KB (8192 bytes) of the request body are forwarded to WAF for inspection by the underlying host service. For information about how to handle oversized request bodies, see the
JsonBody
object configuration.MatchPattern
— required — (map
)The patterns to look for in the JSON body. WAF inspects the results of these pattern matches against the rule inspection criteria.
All
— (map
)Match all of the elements. See also
MatchScope
in JsonBody.You must specify either this setting or the
IncludedPaths
setting, but not both.IncludedPaths
— (Array<String>
)Match only the specified include paths. See also
MatchScope
in JsonBody.Provide the include paths using JSON Pointer syntax. For example,
"IncludedPaths": ["/dogs/0/name", "/dogs/1/name"]
. For information about this syntax, see the Internet Engineering Task Force (IETF) documentation JavaScript Object Notation (JSON) Pointer.You must specify either this setting or the
All
setting, but not both.Note: Don't use this option to include all paths. Instead, use theAll
setting.
MatchScope
— required — (String
)The parts of the JSON to match against using the
Possible values include:MatchPattern
. If you specifyAll
, WAF matches against keys and values."ALL"
"KEY"
"VALUE"
InvalidFallbackBehavior
— (String
)What WAF should do if it fails to completely parse the JSON body. The options are the following:
-
EVALUATE_AS_STRING
- Inspect the body as plain text. WAF applies the text transformations and inspection criteria that you defined for the JSON inspection to the body text string. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
If you don't provide this setting, WAF parses and evaluates the content only up to the first parsing failure that it encounters.
WAF does its best to parse the entire JSON body, but might be forced to stop for reasons such as invalid characters, duplicate keys, truncation, and any content whose root node isn't an object or an array.
WAF parses the JSON in the following examples as two valid key, value pairs:
-
Missing comma:
{"key1":"value1""key2":"value2"}
-
Missing colon:
{"key1":"value1","key2""value2"}
-
Extra colons:
{"key1"::"value1","key2""value2"}
"MATCH"
"NO_MATCH"
"EVALUATE_AS_STRING"
-
OversizeHandling
— (String
)What WAF should do if the body is larger than WAF can inspect. WAF does not support inspecting the entire contents of the body of a web request when the body exceeds 8 KB (8192 bytes). Only the first 8 KB of the request body are forwarded to WAF by the underlying host service.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the body normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
You can combine the
MATCH
orNO_MATCH
settings for oversize handling with your rule and web ACL action settings, so that you block any request whose body is over 8 KB.Default:
Possible values include:CONTINUE
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Headers
— (map
)Inspect the request headers. You must configure scope and pattern matching filters in the
Headers
object, to define the set of headers to and the parts of the headers that WAF inspects.Only the first 8 KB (8192 bytes) of a request's headers and only the first 200 headers are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize header content in the
Headers
object. WAF applies the pattern matching filters to the headers that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of headers to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedHeaders
, orExcludedHeaders
.Example JSON:
"MatchPattern": { "ExcludedHeaders": {"KeyToExclude1", "KeyToExclude2"} }
All
— (map
)Inspect all headers.
IncludedHeaders
— (Array<String>
)Inspect only the headers that have a key that matches one of the strings specified here.
ExcludedHeaders
— (Array<String>
)Inspect only the headers whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the headers to match with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the headers of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the headers normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
Cookies
— (map
)Inspect the request cookies. You must configure scope and pattern matching filters in the
Cookies
object, to define the set of cookies and the parts of the cookies that WAF inspects.Only the first 8 KB (8192 bytes) of a request's cookies and only the first 200 cookies are forwarded to WAF for inspection by the underlying host service. You must configure how to handle any oversize cookie content in the
Cookies
object. WAF applies the pattern matching filters to the cookies that it receives from the underlying host service.MatchPattern
— required — (map
)The filter to use to identify the subset of cookies to inspect in a web request.
You must specify exactly one setting: either
All
,IncludedCookies
, orExcludedCookies
.Example JSON:
"MatchPattern": { "IncludedCookies": {"KeyToInclude1", "KeyToInclude2", "KeyToInclude3"} }
All
— (map
)Inspect all cookies.
IncludedCookies
— (Array<String>
)Inspect only the cookies that have a key that matches one of the strings specified here.
ExcludedCookies
— (Array<String>
)Inspect only the cookies whose keys don't match any of the strings specified here.
MatchScope
— required — (String
)The parts of the cookies to inspect with the rule inspection criteria. If you specify
Possible values include:All
, WAF inspects both keys and values."ALL"
"KEY"
"VALUE"
OversizeHandling
— required — (String
)What WAF should do if the cookies of the request are larger than WAF can inspect. WAF does not support inspecting the entire contents of request cookies when they exceed 8 KB (8192 bytes) or 200 total cookies. The underlying host service forwards a maximum of 200 cookies and at most 8 KB of cookie contents to WAF.
The options for oversize handling are the following:
-
CONTINUE
- Inspect the cookies normally, according to the rule inspection criteria. -
MATCH
- Treat the web request as matching the rule statement. WAF applies the rule action to the request. -
NO_MATCH
- Treat the web request as not matching the rule statement.
"CONTINUE"
"MATCH"
"NO_MATCH"
-
TextTransformations
— required — (Array<map>
)Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to bypass detection. If you specify one or more transformations in a rule statement, WAF performs all transformations on the content of the request component identified by
FieldToMatch
, starting from the lowest priority setting, before inspecting the content for a match.Priority
— required — (Integer
)Sets the relative processing order for multiple transformations that are defined for a rule statement. WAF processes all transformations, from lowest priority to highest, before inspecting the transformed content. The priorities don't need to be consecutive, but they must all be different.
Type
— required — (String
)You can specify the following transformation types:
BASE64_DECODE - Decode a
Base64
-encoded string.BASE64_DECODE_EXT - Decode a
Base64
-encoded string, but use a forgiving implementation that ignores characters that aren't valid.CMD_LINE - Command-line transformations. These are helpful in reducing effectiveness of attackers who inject an operating system command-line command and use unusual formatting to disguise some or all of the command.
-
Delete the following characters:
\ " ' ^
-
Delete spaces before the following characters:
/ (
-
Replace the following characters with a space:
, ;
-
R
-
-
(AWS.Response)
—
- updateRuleGroup(params = {}, callback) ⇒ AWS.Request