AWS::WAFv2::RuleGroup RateLimitJA4Fingerprint - AWS CloudFormation
SyntaxProperties

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AWS::WAFv2::RuleGroup RateLimitJA4Fingerprint

Use the request's JA4 fingerprint derived from the TLS Client Hello of an incoming request as an aggregate key. If you use a single JA4 fingerprint as your custom key, then each value fully defines an aggregation instance.

Syntax

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

JSON

{
  "FallbackBehavior" : String
}

YAML

  FallbackBehavior: String

Properties

FallbackBehavior

The match status to assign to the web request if there is insufficient TSL Client Hello information to compute the JA4 fingerprint.

You can specify the following fallback behaviors:

  • MATCH - Treat the web request as matching the rule statement. AWS WAF applies the rule action to the request.

  • NO_MATCH - Treat the web request as not matching the rule statement.

Required: Yes

Type: String

Allowed values: MATCH | NO_MATCH

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