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User Guide

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[ aws . waf ]




This is AWS WAF Classic documentation. For more information, see AWS WAF Classic in the developer guide.

For the latest version of AWS WAF , use the AWS WAFV2 API and see the AWS WAF Developer Guide . With the latest version, AWS WAF has a single set of endpoints for regional and global use.

Inserts or deletes IPSetDescriptor objects in an IPSet . For each IPSetDescriptor object, you specify the following values:

  • Whether to insert or delete the object from the array. If you want to change an IPSetDescriptor object, you delete the existing object and add a new one.
  • The IP address version, IPv4 or IPv6 .
  • The IP address in CIDR notation, for example, (for the range of IP addresses from to ) or (for the individual IP address ).

AWS WAF supports IPv4 address ranges: /8 and any range between /16 through /32. AWS WAF supports IPv6 address ranges: /24, /32, /48, /56, /64, and /128. For more information about CIDR notation, see the Wikipedia entry Classless Inter-Domain Routing .

IPv6 addresses can be represented using any of the following formats:

  • 1111:0000:0000:0000:0000:0000:0000:0111/128
  • 1111:0:0:0:0:0:0:0111/128
  • 1111::0111/128
  • 1111::111/128

You use an IPSet to specify which web requests you want to allow or block based on the IP addresses that the requests originated from. For example, if you're receiving a lot of requests from one or a small number of IP addresses and you want to block the requests, you can create an IPSet that specifies those IP addresses, and then configure AWS WAF to block the requests.

To create and configure an IPSet , perform the following steps:

  • Submit a CreateIPSet request.
  • Use GetChangeToken to get the change token that you provide in the ChangeToken parameter of an UpdateIPSet request.
  • Submit an UpdateIPSet request to specify the IP addresses that you want AWS WAF to watch for.

When you update an IPSet , you specify the IP addresses that you want to add and/or the IP addresses that you want to delete. If you want to change an IP address, you delete the existing IP address and add the new one.

You can insert a maximum of 1000 addresses in a single request.

For more information about how to use the AWS WAF API to allow or block HTTP requests, see the AWS WAF Developer Guide .

See also: AWS API Documentation

See 'aws help' for descriptions of global parameters.


--ip-set-id <value>
--change-token <value>
--updates <value>
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]


--ip-set-id (string)

The IPSetId of the IPSet that you want to update. IPSetId is returned by CreateIPSet and by ListIPSets .

--change-token (string)

The value returned by the most recent call to GetChangeToken .

--updates (list)

An array of IPSetUpdate objects that you want to insert into or delete from an IPSet . For more information, see the applicable data types:

  • IPSetUpdate : Contains Action and IPSetDescriptor
  • IPSetDescriptor : Contains Type and Value

You can insert a maximum of 1000 addresses in a single request.

Shorthand Syntax:

Action=string,IPSetDescriptor={Type=string,Value=string} ...

JSON Syntax:

    "Action": "INSERT"|"DELETE",
    "IPSetDescriptor": {
      "Type": "IPV4"|"IPV6",
      "Value": "string"

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See 'aws help' for descriptions of global parameters.


To update an IP set

The following update-ip-set command updates an IPSet with an IPv4 address and deletes an IPv6 address:

aws waf update-ip-set --ip-set-id a123fae4-b567-8e90-1234-5ab67ac8ca90 --change-token 12cs345-67cd-890b-1cd2-c3a4567d89f1 --updates Action="INSERT",IPSetDescriptor={Type="IPV4",Value=""},Action="DELETE",IPSetDescriptor={Type="IPV6",Value="1111:0000:0000:0000:0000:0000:0000:0111/128"}

Alternatively you can use a JSON file to specify the input. For example:

aws waf update-ip-set --ip-set-id a123fae4-b567-8e90-1234-5ab67ac8ca90 --change-token 12cs345-67cd-890b-1cd2-c3a4567d89f1  --updates file://change.json

Where content of the JSON file is:

"Action": "INSERT",
"Type": "IPV4",
"Value": ""
"Action": "DELETE",
"Type": "IPV6",
"Value": "1111:0000:0000:0000:0000:0000:0000:0111/128"

For more information, see Working with IP Match Conditions in the AWS WAF developer guide.


ChangeToken -> (string)

The ChangeToken that you used to submit the UpdateIPSet request. You can also use this value to query the status of the request. For more information, see GetChangeTokenStatus .