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

Sajin's avatar
Sajin
Icon for Nimbostratus rankNimbostratus
Oct 09, 2020

HTTP response from pool member to client IP is getting blocked by F5 LTM with the status code 0

I have a BiGIP LTM with the version 13.1.3.4 with the engineering hotfix where we disabled HTTP compliance check using the command - 'tmsh modify sys db tmm.http.rfc.enforcement value disable'. Howe...
application delivery
devops
iRules
LTM
Simon_Blakely's avatar
Simon_Blakely
Icon for Employee rankEmployee
Oct 11, 2020

You really need (decrypted) packet captures to see the server response at a packet level to determine what compliance issues may be occurring, and where.

 

 

Sajin's avatar
Sajin
Icon for Nimbostratus rankNimbostratus
Oct 13, 2020

Hi Simon, Thank you, I was specifically looking if any update happened on HTTP profile on 13.1.3.4 compared to our old version - 12.1.3.3 in F5 release notes as the server is dropping connection even after disabling 'http rfc enforcement value' globally.

 

I will find a downtime to enable the http profile and packet captures. Can you please help me with the commands that I need to run here?