Hi Benjamin! Have a look at netstat -taupen | grep 18120 br -----Ursprüngliche Nachricht----- Von: Freeradius-Users <freeradius-users-bounces+walter.schober=neotel.at@lists.freeradius.org> Im Auftrag von Benjamin Diehl Gesendet: Freitag, 1. Oktober 2021 14:17 An: freeradius-users@lists.freeradius.org Betreff: Help with FreeRadius Server not binding to auth address I am trying to create a FreeRadius server that authenticates with Google Workspace, I believe I have gotten everything else set correctly. However, at the end it errors out on Opening IP addresses and Ports } # server default radiusd: #### Opening IP addresses and Ports #### listen { type = "auth" ipaddr = 127.0.0.1 port = 18120 Failed binding to auth address 127.0.0.1 port 18120 bound to server inner-tunnel: Address already in use /etc/freeradius/3.0/sites-enabled/inner-tunnel[33]: Error binding to port for 127.0.0.1 port 18120 I have tried a few things to fix the issue but nothing has worked. I have included the full code out put from freeradius -X below. [...]