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Sabir_Alvi's avatar
Sabir_Alvi
Icon for Altocumulus rankAltocumulus
Apr 27, 2021

iRule to deny not working as expected (http 403 response not working)

So, we have been using iRules for many years to manage whitelisting of application access based on incoming source IP and strings in URL. When the request doesn't match, an HTTP 403 response is sent ...
application delivery
BIG-IP
iRules
Sabir_Alvi's avatar
Sabir_Alvi
Icon for Altocumulus rankAltocumulus

Hi Sanjay, thanks for the reply. I tried it, did not work, same response as before even with using content in the syntax.

spalande's avatar
spalande
Icon for Nacreous rankNacreous
Apr 27, 2021

Did you change syntax to class match? Please change it to class match.

​Also, would suggest to enable logging in iRule and check for ​the http trace in developer tools in browser or using fiddler/http watch. Which response code and content do you see there?