arne@poseidon:~/teewars-0.2.3-linux86$ sudo ./teewars_srv sv_map=dm6 sv_name="Arne server" sv_port=81
[46d6782a][server]: starting...
[46d6782a][config/load]: loading default.cfg
[46d6782a][datafile]: datafile loading. filename='data/maps/dm6.map'
[46d6782a][server]: server name is 'Arne server'
[46d6782a][server]: masterserver is 'master.teewars.com'
[46d6782f][server]: ERROR: the master server reports that clients can not connect to this server.
[46d6782f][server]: ERROR: configure your firewall/nat to let trough udp on port 8303.