Hi George, do the following: ps -aux | grep radius and kill all the radius related services with kill -9 <process id> Andy Date: Fri, 27 Jul 2012 10:45:03 +0300 Subject: Re: Freeradius Installation Challenges From: ginnocentus2002@gmail.com To: freeradius-users@lists.freeradius.org I am not able to authenticate on the default users when testing freeradius server. Sending Access-Request of id 11 to 127.0.0.1 port 1812 User-Name = "testuser" User-Password = "test123" NAS-IP-Address = 127.0.1.1 NAS-Port = 1812 Message-Authenticator = 0x00000000000000000000000000000000 radclient: no response from server for ID 11 socket 3 root@radiuspst:/usr/local/etc/raddb# when i run debug mode i get: Failed binding to authentication address * port 1812: Address already in use /etc/freeradius/radiusd.conf[240]: Error binding to port for 0.0.0.0 port 1812 root@radiuspst:/usr/local/src# Thanks to assist resolve this -- Regards: George Innocent. -- Regards: George Innocent. - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html