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Forum Discussion

HarshaNK's avatar
HarshaNK
Icon for Altostratus rankAltostratus
Dec 02, 2025

Single User Unable to Connect to VPN over F5 APM

Hi Everyone, We have a F5 APM for VPN using Radius servers for authenticating the users. We See that one user is unable to access VPN and when checked logs we see this  RADIUS module: authentic...
security
Injeyan_Kostas's avatar
Injeyan_Kostas
Icon for Nacreous rankNacreous
Dec 02, 2025

Hello HarshaNK​ 

Access-Reject should come from Radius
You see loopback addrees cause i guess you have a Radius Server Pool and not a direct Radius Server.

You should therefore see logs on Radius side.
You could also capture traffic to be sure that request reached Radius Server

Moreover, as it happens for a specific user, check if there are non-ASCII characters on username or password