[hallowedspirit@thc ~/Unreal3.2]$ grep listen unrealircd.conf
 * NEW: listen {}
 * listen (ip number):(port number)
 * listen: listen (ip):(port);
 * NOTICE: for ipv6 ips (3ffe:b80:2:51d::2 etc), use listen [ip]:port;
/* Options for listen:
listen         208.53.182.65:6667
listen         208.53.182.65:8067;
 *       listen 1.2.3.4:6667;