Same Problem i cant join on XWIS but on GSA it works:
[:Buggy147!u@h JOINGAME 2 49 12 1 0 1303752710 0 :#a00DT6]
Player Buggy147 joined server channel
[DEBUG] Updatating dynamic data structures.
[DEBUG] Updating XWIS server channel topic.
[: 328 u Buggy147`1252]
[:Buggy147!u@h GAMEOPT a00DT6 :RGINFO]
[NOTICE] Got RGINFO from Buggy147
GAMEOPT Buggy147 :GINFO:BDE1B9A9 1800.0000
GAMEOPT Buggy147 :TINFO:0 0
GAMEOPT Buggy147 :TINFO:1 0
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:hBuggy147]
[NOTICE] GAMEOPT Buggy147 :NAT:bc6dd0e55,1322,c6dd0e55,00000001,0000
[NOTICE] Buggy147 is joining the game from XWIS/WOL
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:c15b2a8c0,071a,06b0b54d,00000001]
[DEBUG]: Client NAT name:Buggy147 IP:06b0b54d PORT:071a
[NOTICE] GAMEOPT Buggy147 :NAT:f00
[DEBUG]: Buggy147 is a non-NAT player
GAMEOPT Buggy147 :NAT:el,071a,a00DT6
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:ec,0000,Buggy147]
player_info
No players
0game_info
GameSpy mode active since Thu Feb 15 06:50:12 2007
Gameplay Pending
Map : C&C_Mesa.mix
Time : 0.30.00
Fps : 57
GDI : 0/24 players 0 points
NOD : 0/24 players 0 points
00000000[:Buggy147!u@h GAMEOPT a00DT6 :NAT:ed,0000,Buggy147]
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:ee,0000,Buggy147]
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:ef,0000,Buggy147]
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:eg,0000,Buggy147]
[:Buggy147!u@h PART #a00DT6]
[DEBUG]: Removed vistor Buggy147 from watchlist
[DEBUG] Updatating dynamic data structures.
[DEBUG] Updating XWIS server channel topic.
[:Buggy147!u@h GAMEOPT a00DT6 :NAT:g]