sv_lan 0
firewall off, I also tried to put the port of cs2d at the firewall exception.
i tried the port forwarding
i also tried to replace the usgn.de at the sys/usgn.dat it was mentioned at the server problem thread.
General
CS2D Dedicated Server Software
this helped me cause before no one could see it and it always was in lan even if it was not in lan. this is not for dedicated this is for server problems like no one seeing your server.