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

DannyG_34437's avatar
DannyG_34437
Icon for Cirrus rankCirrus
Aug 21, 2013

Seeing HTTP 401 response messages in APM log

Hi, I am new to the LTM/APM world and have a question about some messages I am seeing in the APM session reports. I have my webtop working fairly well but am seeing "HTTP 401" messages in the log. S...
Kevin_Stewart's avatar
Kevin_Stewart
Icon for Employee rankEmployee
Aug 21, 2013

Is this in conjunction with an error? I believe the error means that APM is seeing a 401 response from the backend server even though your SSO is presenting an NTLMv2 authentication. Does it happen for all users?