Handling oversize web request components in AWS WAF

Question

AWS added Oversize handling options - Continue, Match, and No match - to handle oversize requests. 
Before this feature was added by AWS, what was the default behavior of WAF? Which option did it carry by default - Continue, Match, or No Match? 
Any historical documentation or references would be appreciated.

Accepted Answer

Hi, this article gives you a good perspective on WAHF behavior before and after April 30th, 2022.

https://www.wafcharm.com/en/blog/inspect-all-headers-option-and-oversize-handling-for-request-components-option-are-released-in-aws-waf/

Also archived WAF implementation Guide of Jan 22 provides additional historical perspective:  see https://d1.awsstatic.com/whitepapers/guidelines-implementing-aws-waf.pdf

Best,

Didier

Handling oversize web request components in AWS WAF

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