Menu
Amazon CloudWatch
User Guide

AWS WAF Metrics and Dimensions

AWS WAF sends data to CloudWatch every minute. For more information, see Testing Web ACLs in the AWS WAF Developer Guide.

AWS WAF Metrics

The AWS/WAF namespace includes the following metrics.

MetricDescription

AllowedRequests

The number of allowed web requests.

Units: Count

Dimensions: Rule, WebACL

Valid statistics: Sum

BlockedRequests

The number of blocked web requests.

Units: Count

Dimensions: Rule, WebACL

Valid statistics: Sum

CountedRequests

The number of counted web requests.

A counted web request is one that matches all of the conditions in a particular rule. Counted web requests are typically used for testing.

Units: Count

Dimensions: Rule, WebACL

Valid statistics: Sum

Dimensions for AWS WAF

DimensionDescription

Rule

The name of the rule, or one of the following:

  • ALL, which represents the set of all rules.

  • Default_Action, which represents the action assigned to any request that does not match any rule with either an allow or block action.

WebACL

The name of the web ACL.