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Forum Discussion

Aurel's avatar
Aurel
Icon for Cirrus rankCirrus
Mar 20, 2019

HTTP error response payload not delivered

Hello, An application is responding to his clients with an HTTP 422 error code and some small json data in body response. The ASM in front has been allowed to deliver the HTTP 422, but is not deliver...
ASM Advanced WAF
security
Andrew-F5's avatar
Andrew-F5
Icon for Employee rankEmployee
Jun 10, 2019

It almost sounds like the content-length header in the response is too short so the F5 is only reading the headers.

Maybe try to look at the request/response in a capture or enable response logging in ASM to see what the response looks like when it's received?