Syntax Properties Return values Examples

AWS::WAFv2::WebACL

Note

This is the latest version of AWS WAF , named AWS WAFV2, released in November, 2019. For information, including how to migrate your AWS WAF resources from the prior release, see the AWS WAF developer guide.

Use an AWS::WAFv2::WebACL to define a collection of rules to use to inspect and control web requests. Each rule in a web ACL has a statement that defines what to look for in web requests and an action that AWS WAF applies to requests that match the statement. In the web ACL, you assign a default action to take (allow, block) for any request that doesn't match any of the rules.

The rules in a web ACL can be a combination of explicitly defined rules and rule groups that you reference from the web ACL. The rule groups can be rule groups that you manage or rule groups that are managed by others.

You can associate a web ACL with one or more AWS resources to protect. The resources can be an Amazon CloudFront distribution, an Amazon API Gateway REST API, an Application Load Balancer, an AWS AppSync GraphQL API , an Amazon Cognito user pool, an AWS App Runner service, or an AWS Verified Access instance.

For more information, see Web access control lists (web ACLs) in the AWS WAF developer guide.

Web ACLs used in AWS Shield Advanced automatic application layer DDoS mitigation

If you use Shield Advanced automatic application layer DDoS mitigation, the web ACLs that you use with automatic mitigation have a rule group rule whose name starts with ShieldMitigationRuleGroup. This rule is used for automatic mitigations and it's managed for you in the web ACL by Shield Advanced and AWS WAF. You'll see the rule listed among the web ACL rules when you view the web ACL through the AWS WAF interfaces.

When you manage the web ACL through AWS CloudFormation interfaces, you won't see the Shield Advanced rule. AWS CloudFormation doesn't include this type of rule in the stack drift status between the actual configuration of the web ACL and your web ACL template.

Don't add the Shield Advanced rule group rule to your web ACL template. The rule shouldn't be in your template. When you update the web ACL template in a stack, the Shield Advanced rule is maintained for you by AWS WAF in the resulting web ACL.

For more information, see Shield Advanced automatic application layer DDoS mitigation in the AWS Shield Advanced developer guide.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON


{
  "Type" : "AWS::WAFv2::WebACL",
  "Properties" : {
      "AssociationConfig" : AssociationConfig,
      "CaptchaConfig" : CaptchaConfig,
      "ChallengeConfig" : ChallengeConfig,
      "CustomResponseBodies" : {Key: Value, ...},
      "DefaultAction" : DefaultAction,
      "Description" : String,
      "Name" : String,
      "Rules" : [ Rule, ... ],
      "Scope" : String,
      "Tags" : [ Tag, ... ],
      "TokenDomains" : [ String, ... ],
      "VisibilityConfig" : VisibilityConfig
    }
}

YAML


Type: AWS::WAFv2::WebACL
Properties:
  AssociationConfig: 
    AssociationConfig
  CaptchaConfig: 
    CaptchaConfig
  ChallengeConfig: 
    ChallengeConfig
  CustomResponseBodies: 
    Key: Value
  DefaultAction: 
    DefaultAction
  Description: String
  Name: String
  Rules: 
    - Rule
  Scope: String
  Tags: 
    - Tag
  TokenDomains: 
    - String
  VisibilityConfig: 
    VisibilityConfig

Properties

AssociationConfig

Specifies custom configurations for the associations between the web ACL and protected resources.

Use this to customize the maximum size of the request body that your protected resources forward to AWS WAF for inspection. You can customize this setting for CloudFront, API Gateway, Amazon Cognito, App Runner, or Verified Access resources. The default setting is 16 KB (16,384 bytes).

Note

You are charged additional fees when your protected resources forward body sizes that are larger than the default. For more information, see AWS WAF Pricing.

For Application Load Balancer and AWS AppSync, the limit is fixed at 8 KB (8,192 bytes).

Required: No

Type: AssociationConfig

Update requires: No interruption

CaptchaConfig

Specifies how AWS WAF should handle CAPTCHA evaluations for rules that don't have their own CaptchaConfig settings. If you don't specify this, AWS WAF uses its default settings for CaptchaConfig.

Required: No

Type: CaptchaConfig

Update requires: No interruption

ChallengeConfig

Specifies how AWS WAF should handle challenge evaluations for rules that don't have their own ChallengeConfig settings. If you don't specify this, AWS WAF uses its default settings for ChallengeConfig.

Required: No

Type: ChallengeConfig

Update requires: No interruption

CustomResponseBodies

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 AWS WAF in the AWS WAF Developer Guide.

For information about the limits on count and size for custom request and response settings, see AWS WAF quotas in the AWS WAF Developer Guide.

Required: No

Type: Object of CustomResponseBody

Update requires: No interruption

DefaultAction

The action to perform if none of the Rules contained in the WebACL match.

Required: Yes

Type: DefaultAction

Update requires: No interruption

Description

A description of the web ACL that helps with identification.

Required: No

Type: String

Pattern: ^[a-zA-Z0-9=:#@/\-,.][a-zA-Z0-9+=:#@/\-,.\s]+[a-zA-Z0-9+=:#@/\-,.]{1,256}$

Update requires: No interruption

Name

The name of the web ACL. You cannot change the name of a web ACL after you create it.

Required: No

Type: String

Pattern: ^[0-9A-Za-z_-]{1,128}$

Update requires: Replacement

Rules

The rule statements used to identify the web requests that you want to manage. Each rule includes one top-level statement that AWS WAF uses to identify matching web requests, and parameters that govern how AWS WAF handles them.

Required: No

Type: Array of Rule

Update requires: No interruption

Scope

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 AWS AppSync GraphQL API, an Amazon Cognito user pool, an AWS App Runner service, or an AWS Verified Access instance. Valid Values are CLOUDFRONT and REGIONAL.

Note

For CLOUDFRONT, you must create your WAFv2 resources in the US East (N. Virginia) Region, us-east-1.

For information about how to define the association of the web ACL with your resource, see AWS::WAFv2::WebACLAssociation.

Required: Yes

Type: String

Allowed values: CLOUDFRONT | REGIONAL

Update requires: Replacement

Tags

Key:value pairs associated with an AWS resource. The key:value pair can be anything you define. Typically, the tag key represents a category (such as "environment") and the tag value represents a specific value within that category (such as "test," "development," or "production"). You can add up to 50 tags to each AWS resource.

Note

To modify tags on existing resources, use the AWS WAF APIs or command line interface. With AWS CloudFormation, you can only add tags to AWS WAF resources during resource creation.

Required: No

Type: Array of Tag

Minimum: 1

Update requires: No interruption

TokenDomains

Specifies the domains that AWS WAF should accept in a web request token. This enables the use of tokens across multiple protected websites. When AWS WAF provides a token, it uses the domain of the AWS resource that the web ACL is protecting. If you don't specify a list of token domains, AWS WAF accepts tokens only for the domain of the protected resource. With a token domain list, AWS WAF accepts the resource's host domain plus all domains in the token domain list, including their prefixed subdomains.

Required: No

Type: Array of String

Minimum: 1

Maximum: 253

Update requires: No interruption

VisibilityConfig

Defines and enables Amazon CloudWatch metrics and web request sample collection.

Required: Yes

Type: VisibilityConfig

Update requires: No interruption

Return values

Ref

The Ref for the resource, containing the resource name, physical ID, and scope, formatted as follows: name|id|scope.

For example: my-webacl-name|1234a1a-a1b1-12a1-abcd-a123b123456|REGIONAL.

Fn::GetAtt

The Fn::GetAtt intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.

For more information about using the Fn::GetAtt intrinsic function, see Fn::GetAtt.

Arn

The Amazon Resource Name (ARN) of the web ACL.

Capacity

The web ACL capacity units (WCUs) currently being used by this web ACL.

AWS WAF uses WCUs to calculate and control the operating resources that are used to run your rules, rule groups, and web ACLs. AWS 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.

Id

The ID of the web ACL.

LabelNamespace

The label namespace prefix for this web ACL. All labels added by rules in this web ACL have this prefix.

The syntax for the label namespace prefix for a web ACL is the following: awswaf:<account ID>:webacl:<web ACL name>:

When a rule with a label matches a web request, AWS 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.

Examples

Create a web ACL with a variety of rate-based rules
Create a web ACL with custom request and response handling
Create a web ACL with JSON body parsing

Create a web ACL with a variety of rate-based rules

The following example web ACL specification shows a number of rate-based rules. For information about each rule, see the examples under AWS::WAFv2::WebACL RateBasedStatement.

YAML


Name: exampleWebACL
Id: exampleWebACLExampleID
ARN: arn:aws:wafv2:us-east-1:ExampleAccountNumber:regional/webacl/exampleWebACL/exampleWebACLExampleID
DefaultAction:
  Allow: {}
Description: ''
Rules:
- Name: rbrCountAll
  Priority: 0
  Statement:
    RateBasedStatement:
      Limit: 100000
      AggregateKeyType: CONSTANT
      ScopeDownStatement:
        GeoMatchStatement:
          CountryCodes:
          - GB
          ForwardedIPConfig:
            HeaderName: X-Forwarded-For
            FallbackBehavior: MATCH
  Action:
    Block: {}
  VisibilityConfig:
    SampledRequestsEnabled: true
    CloudWatchMetricsEnabled: true
    MetricName: rbrCountAll
- Name: rbrNoCustomKeys
  Priority: 1
  Statement:
    RateBasedStatement:
      Limit: 1000
      AggregateKeyType: FORWARDED_IP
      ForwardedIPConfig:
        HeaderName: X-Forwarded-For
        FallbackBehavior: MATCH
  Action:
    Block: {}
  VisibilityConfig:
    SampledRequestsEnabled: true
    CloudWatchMetricsEnabled: true
    MetricName: rbrNoCustomKeys
- Name: rbrCustomKeysA
  Priority: 2
  Statement:
    RateBasedStatement:
      Limit: 2000
      AggregateKeyType: CUSTOM_KEYS
      ForwardedIPConfig:
        HeaderName: X-Forwarded-For
        FallbackBehavior: MATCH
      CustomKeys:
      - Header:
          Name: Content-Type
          TextTransformations:
          - Priority: 0
            Type: NONE
      - ForwardedIP: {}
  Action:
    Block: {}
  VisibilityConfig:
    SampledRequestsEnabled: true
    CloudWatchMetricsEnabled: true
    MetricName: rbrCustomKeysA
- Name: rbrCustomKeysB
  Priority: 3
  Statement:
    RateBasedStatement:
      Limit: 3000
      AggregateKeyType: CUSTOM_KEYS
      CustomKeys:
      - QueryString:
          TextTransformations:
          - Priority: 0
            Type: NONE
      - HTTPMethod: {}
      - UriPath:
          TextTransformations:
          - Priority: 0
            Type: NONE
  Action:
    Block: {}
  VisibilityConfig:
    SampledRequestsEnabled: true
    CloudWatchMetricsEnabled: true
    MetricName: rbrCustomKeysB
- Name: labelUSStates
  Priority: 4
  Statement:
    GeoMatchStatement:
      CountryCodes:
      - US
  Action:
    Count: {}
  VisibilityConfig:
    SampledRequestsEnabled: true
    CloudWatchMetricsEnabled: true
    MetricName: labelUSStates
- Name: rbrRequestsFromUSStates
  Priority: 5
  Statement:
    RateBasedStatement:
      Limit: 500
      AggregateKeyType: CUSTOM_KEYS
      ScopeDownStatement:
        GeoMatchStatement:
          CountryCodes:
          - US
      CustomKeys:
      - LabelNamespace:
          Namespace: 'awswaf:clientip:geo:region:'
  Action:
    Block: {}
  VisibilityConfig:
    SampledRequestsEnabled: true
    CloudWatchMetricsEnabled: true
    MetricName: rbrRequestsFromUSStates
VisibilityConfig:
  SampledRequestsEnabled: true
  CloudWatchMetricsEnabled: true
  MetricName: exampleWebACL
Capacity: 193
ManagedByFirewallManager: false
LabelNamespace: 'awswaf:ExampleAccountNumber:webacl:exampleWebACL:'

JSON


 {
  "Name": "exampleWebACL",
  "Id": "exampleWebACLExampleID",
  "ARN": "arn:aws:wafv2:us-east-1:ExampleAccountNumber:regional/webacl/exampleWebACL/exampleWebACLExampleID",
  "DefaultAction": {
    "Allow": {}
  },
  "Description": "",
  "Rules": [
    {
      "Name": "rbrCountAll",
      "Priority": 0,
      "Statement": {
        "RateBasedStatement": {
          "Limit": 100000,
          "AggregateKeyType": "CONSTANT",
          "ScopeDownStatement": {
            "GeoMatchStatement": {
              "CountryCodes": [
                "GB"
              ],
              "ForwardedIPConfig": {
                "HeaderName": "X-Forwarded-For",
                "FallbackBehavior": "MATCH"
              }
            }
          }
        }
      },
      "Action": {
        "Block": {}
      },
      "VisibilityConfig": {
        "SampledRequestsEnabled": true,
        "CloudWatchMetricsEnabled": true,
        "MetricName": "rbrCountAll"
      }
    },
    {
      "Name": "rbrNoCustomKeys",
      "Priority": 1,
      "Statement": {
        "RateBasedStatement": {
          "Limit": 1000,
          "AggregateKeyType": "FORWARDED_IP",
          "ForwardedIPConfig": {
            "HeaderName": "X-Forwarded-For",
            "FallbackBehavior": "MATCH"
          }
        }
      },
      "Action": {
        "Block": {}
      },
      "VisibilityConfig": {
        "SampledRequestsEnabled": true,
        "CloudWatchMetricsEnabled": true,
        "MetricName": "rbrNoCustomKeys"
      }
    },
    {
      "Name": "rbrCustomKeysA",
      "Priority": 2,
      "Statement": {
        "RateBasedStatement": {
          "Limit": 2000,
          "AggregateKeyType": "CUSTOM_KEYS",
          "ForwardedIPConfig": {
            "HeaderName": "X-Forwarded-For",
            "FallbackBehavior": "MATCH"
          },
          "CustomKeys": [
            {
              "Header": {
                "Name": "Content-Type",
                "TextTransformations": [
                  {
                    "Priority": 0,
                    "Type": "NONE"
                  }
                ]
              }
            },
            {
              "ForwardedIP": {}
            }
          ]
        }
      },
      "Action": {
        "Block": {}
      },
      "VisibilityConfig": {
        "SampledRequestsEnabled": true,
        "CloudWatchMetricsEnabled": true,
        "MetricName": "rbrCustomKeysA"
      }
    },
    {
      "Name": "rbrCustomKeysB",
      "Priority": 3,
      "Statement": {
        "RateBasedStatement": {
          "Limit": 3000,
          "AggregateKeyType": "CUSTOM_KEYS",
          "CustomKeys": [
            {
              "QueryString": {
                "TextTransformations": [
                  {
                    "Priority": 0,
                    "Type": "NONE"
                  }
                ]
              }
            },
            {
              "HTTPMethod": {}
            },
            {
              "UriPath": {
                "TextTransformations": [
                  {
                    "Priority": 0,
                    "Type": "NONE"
                  }
                ]
              }
            }
          ]
        }
      },
      "Action": {
        "Block": {}
      },
      "VisibilityConfig": {
        "SampledRequestsEnabled": true,
        "CloudWatchMetricsEnabled": true,
        "MetricName": "rbrCustomKeysB"
      }
    },
    {
      "Name": "labelUSStates",
      "Priority": 4,
      "Statement": {
        "GeoMatchStatement": {
          "CountryCodes": [
            "US"
          ]
        }
      },
      "Action": {
        "Count": {}
      },
      "VisibilityConfig": {
        "SampledRequestsEnabled": true,
        "CloudWatchMetricsEnabled": true,
        "MetricName": "labelUSStates"
      }
    },
    {
      "Name": "rbrRequestsFromUSStates",
      "Priority": 5,
      "Statement": {
        "RateBasedStatement": {
          "Limit": 500,
          "AggregateKeyType": "CUSTOM_KEYS",
          "ScopeDownStatement": {
            "GeoMatchStatement": {
              "CountryCodes": [
                "US"
              ]
            }
          },
          "CustomKeys": [
            {
              "LabelNamespace": {
                "Namespace": "awswaf:clientip:geo:region:"
              }
            }
          ]
        }
      },
      "Action": {
        "Block": {}
      },
      "VisibilityConfig": {
        "SampledRequestsEnabled": true,
        "CloudWatchMetricsEnabled": true,
        "MetricName": "rbrRequestsFromUSStates"
      }
    }
  ],
  "VisibilityConfig": {
    "SampledRequestsEnabled": true,
    "CloudWatchMetricsEnabled": true,
    "MetricName": "exampleWebACL"
  },
  "Capacity": 193,
  "ManagedByFirewallManager": false,
  "LabelNamespace": "awswaf:ExampleAccountNumber:webacl:exampleWebACL:"
}

Create a web ACL with custom request and response handling

The following shows an example web ACL specification. This example includes custom request and response configurations.

YAML


 ExampleWebACL:
    Type: 'AWS::WAFv2::WebACL'
    Properties:
      Name: ExampleWebACL1
      Scope: REGIONAL
      Description: This is an example WebACL
      DefaultAction:
        Allow:
          CustomRequestHandling:
            InsertHeaders:
              - Name: AllowActionHeader1Name
                Value: AllowActionHeader1Value
              - Name: AllowActionHeader2Name
                Value: AllowActionHeader2Value
      VisibilityConfig:
        SampledRequestsEnabled: true
        CloudWatchMetricsEnabled: true
        MetricName: ExampleWebACLMetric
      CustomResponseBodies:
        CustomResponseBodyKey1:
          ContentType: TEXT_PLAIN
          Content: this is a plain text
        CustomResponseBodyKey2:
          ContentType: APPLICATION_JSON
          Content: '{"jsonfieldname": "jsonfieldvalue"}'
        CustomResponseBodyKey3:
          ContentType: TEXT_HTML
          Content: <html>HTML text content</html>
      Rules:
        - Name: RuleWithAWSManagedRules
          Priority: 0
          OverrideAction:
            Count: {}
          VisibilityConfig:
            SampledRequestsEnabled: true
            CloudWatchMetricsEnabled: true
            MetricName: RuleWithAWSManagedRulesMetric
          Statement:
            ManagedRuleGroupStatement:
              VendorName: AWS
              Name: AWSManagedRulesCommonRuleSet
              ExcludedRules: []
        - Name: BlockXssAttack
          Priority: 1
          Action:
            Block:
              CustomResponse:
                ResponseCode: 503
                CustomResponseBodyKey: CustomResponseBodyKey1
                ResponseHeaders:
                  - Name: BlockActionHeader1Name
                    Value: BlockActionHeader1Value
                  - Name: BlockActionHeader2Name
                    Value: BlockActionHeader2Value
          VisibilityConfig:
            SampledRequestsEnabled: true
            CloudWatchMetricsEnabled: true
            MetricName: BlockXssAttackMetric
          Statement:
            XssMatchStatement:
              FieldToMatch:
                AllQueryArguments: {}
              TextTransformations:
                - Priority: 1
                  Type: NONE

JSON


 "ExampleWebACL": {
      "Type": "AWS::WAFv2::WebACL",
      "Properties": {
        "Name": "ExampleWebACL1",
        "Scope": "REGIONAL",
        "Description": "This is an example WebACL",
        "DefaultAction": {
          "Allow": {
            "CustomRequestHandling": {
              "InsertHeaders": [
                {
                  "Name": "AllowActionHeader1Name",
                  "Value": "AllowActionHeader1Value"
                },
                {
                  "Name": "AllowActionHeader2Name",
                  "Value": "AllowActionHeader2Value"
                }
              ]
            }
          }
        },
        "VisibilityConfig": {
          "SampledRequestsEnabled": true,
          "CloudWatchMetricsEnabled": true,
          "MetricName": "ExampleWebACLMetric"
        },
        "CustomResponseBodies": {
          "CustomResponseBodyKey1": {
            "ContentType": "TEXT_PLAIN",
            "Content": "this is a plain text"
          },
          "CustomResponseBodyKey2": {
            "ContentType": "APPLICATION_JSON",
            "Content": "{\"jsonfieldname\": \"jsonfieldvalue\"}"
          },
          "CustomResponseBodyKey3": {
            "ContentType": "TEXT_HTML",
            "Content": "<html>HTML text content</html>"
          }
        },
        "Rules": [
          {
            "Name": "RuleWithAWSManagedRules",
            "Priority": 0,
            "OverrideAction": {
              "Count": {}
            },
            "VisibilityConfig": {
              "SampledRequestsEnabled": true,
              "CloudWatchMetricsEnabled": true,
              "MetricName": "RuleWithAWSManagedRulesMetric"
            },
            "Statement": {
              "ManagedRuleGroupStatement": {
            "VendorName": "AWS",
                "Name": "AWSManagedRulesCommonRuleSet",
                "ExcludedRules": []
              }
            }
          },
          {
            "Name": "BlockXssAttack",
            "Priority": 1,
            "Action": {
              "Block": {
                "CustomResponse": {
                  "ResponseCode": 503,
                  "CustomResponseBodyKey": "CustomResponseBodyKey1",
                  "ResponseHeaders": [
                    {
                      "Name": "BlockActionHeader1Name",
                      "Value": "BlockActionHeader1Value"
                    },
                    {
                      "Name": "BlockActionHeader2Name",
                      "Value": "BlockActionHeader2Value"
                    }
                  ]
                }
              }
            },
            "VisibilityConfig": {
              "SampledRequestsEnabled": true,
              "CloudWatchMetricsEnabled": true,
              "MetricName": "BlockXssAttackMetric"
            },
            "Statement": {
              "XssMatchStatement": {
                "FieldToMatch": {
                  "AllQueryArguments": {}
                },
                "TextTransformations": [
                  {
                    "Priority": 1,
                    "Type": "NONE"
                  }
                ]
              }
            }
          }
        ]
      }
    }

Create a web ACL with JSON body parsing

The following shows an example web ACL specification. This example includes inspection of the web request body as JSON.

YAML


  ExampleWebACL:
    Type: 'AWS::WAFv2::WebACL'
    Properties:
      Name: TestingJsonBody
      Scope: REGIONAL
      Description: WebACL for JsonBody Testing
      DefaultAction:
        Allow: {}
      VisibilityConfig:
        SampledRequestsEnabled: true
        CloudWatchMetricsEnabled: true
        MetricName: ExampleWebACLMetric
      Rules:
        - Name: TestJsonBodyRule
          Priority: 0
          Action:
            Block: {}
          VisibilityConfig:
            SampledRequestsEnabled: true
            CloudWatchMetricsEnabled: true
            MetricName: JsonBodyMatchMetric
          Statement:
            ByteMatchStatement:
              FieldToMatch:
                JsonBody:
                  MatchPattern:
                    IncludedPaths:
                      - /foo
                      - /bar
                  MatchScope: VALUE
                  InvalidFallbackBehavior: MATCH
              PositionalConstraint: EXACTLY
              SearchString: BadBot
              TextTransformations:
                - Type: NONE
                  Priority: 0

JSON


  "ExampleWebACL": {
    "Type": "AWS::WAFv2::WebACL",
    "Properties": {
      "Name": "TestingJsonBody",
      "Scope": "REGIONAL",
      "DefaultAction": 
       {
        "Allow": 
         {}
       },
      "Description": "WebACL for JsonBody Testing",
      "Rules": [
      {
        "Name": "TestJsonBodyRule",
        "Priority": 1,
        "Statement": {
          "ByteMatchStatement": {
            "SearchString": "BadBot",
            "FieldToMatch": {
              "JsonBody": {
                "MatchPattern": {
                  "IncludedPaths": [
                    "/foo", "/bar"
                  ]
                },
                "MatchScope": "VALUE",  
                "InvalidFallbackBehavior": "MATCH"
               }
            },
            "TextTransformations": [
              {
                "Priority": 1,
                "Type": "NONE"
              }
            ],
            "PositionalConstraint": "EXACTLY"
          }
        },
        "Action": {
          "Block": {}
        },
        "VisibilityConfig": {
             "SampledRequestsEnabled": true,
             "CloudWatchMetricsEnabled": true,
             "MetricName": "JsonBodyMatchMetric"
         }
      } ],
      "VisibilityConfig": {
         "SampledRequestsEnabled": true,
         "CloudWatchMetricsEnabled": true,
         "MetricName": "TestingJsonBodyMetric"
      }
    }
  }

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Document Conventions

XssMatchStatement

AllowAction