# IPSet
<a name="API_IPSet"></a>

A list of IP addresses and address ranges, in CIDR notation. This is part of a [RuleVariables](API_RuleVariables.md). 

## Contents
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 ** Definition **   <a name="networkfirewall-Type-IPSet-Definition"></a>
The list of IP addresses and address ranges, in CIDR notation.   
Type: Array of strings  
Length Constraints: Minimum length of 1.  
Pattern: `^.*$`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/network-firewall-2020-11-12/IPSet) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/network-firewall-2020-11-12/IPSet) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/network-firewall-2020-11-12/IPSet) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS Network Firewall. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query network-firewall` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).