Hi, > I run� freeradius as root. e.g > > ��� $sudo freeradius -X > > According to lsof, nothing is using port 1820. (netstat shows the same) > > ��� $lsof -i :1820
..well, apart from the fact you are supposed to be looking for 18120 as er the error message... options 1) there is already a copy of FreeRADIUS running 2) theres something else running on that port (use lsof or netstat -an) 3) you have 18120 defined twice in the config 4) you dont have permissions for that socket - selinux might be blocking alan - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html