For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

Mandragor's avatar
Mandragor
Icon for Altostratus rankAltostratus
Mar 21, 2018

Set HTTP Reponse status code to 451

By using an example in https://devcentral.f5.com/questions/changing-http-reponse-status-code I have tried to rewrite content from a Virtual Server that initially responds with a 200 to 451 instead; ...
BIG-IP
devops
iRules
JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
Mar 22, 2018

This suggests two things:

 

  1. RFC7725 has not been implemented in F5, as there is a lack of a "Reason-Phrase" for code "451" in the status line;

     

  2. RFC7725 is not implemented by the browser, and what's more, the browser is in breach of HTTP protocol standards as it should handle the status code "451", which it does not understand, as if it were a "400".