<?xml version="1.0" encoding="utf-8"?> <service> <short>RADIUS</short> <description>The Remote Authentication Dial In User Service (RADIUS) is a protocol for user authentication over networks. It is mostly used for modem, DSL or wireless user authentication. If you plan to provide a RADIUS service (e.g. with freeradius), enable this option.</description> <port protocol="tcp" port="1812"/> <port protocol="udp" port="1812"/> <port protocol="tcp" port="1813"/> <port protocol="udp" port="1813"/> </service>