AWS WAF in-line regular expressions | Amazon Web Services

Опубликовано 31 октября 2023, 23:54

AWS Web Application Firewall (WAF) allows regex patterns to be expressed in-line within a rule statement. With in-line regex, you can include a single regex pattern directly inside a WAF rule statement, simplifying how WAF rules are expressed within your web ACL.
In addition, in-line regex patterns may consume less Web ACL Capacity Units (WCUs) as each pattern consumes 3 WCUs whereas a regex pattern set consumes 25 WCUs. For example, if you want to use a regular expression in a scope-down statement to apply AWS WAF Bot Control to dynamic content only, you can save on WCUs by using an in-line regex pattern instead of a regex pattern set.

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