Forum Discussion
Is there any limitation on Patch requests on Azure Application Gateway?
I have an Azure Application Gateway (WAF mode is detection) and a web application in the backend in my edge network. Everything works well, but I have an issue with a "Patch" request. When I sent thi...
Application Gateway WAF will not result in HTTP 400 response. If you have been blocked by WAF you will see 403. In your case your WAF is in detection mode so it will not take any action and will just log it.
HTTP 400 can be returned in few cases such as mutual authentication issues of sending requests that are not RFC compliant. Check this document for examples: https://learn.microsoft.com/en-us/azure/application-gateway/http-response-codes#400--bad-request
HTTP 400 can be returned in few cases such as mutual authentication issues of sending requests that are not RFC compliant. Check this document for examples: https://learn.microsoft.com/en-us/azure/application-gateway/http-response-codes#400--bad-request