[help] Can't connect to server

[r3dnas]

Im getting this problem when i try to connect to my friends server. he can get in on his server but no one else can. any help would be appreciated!

EDIT: Fixed it, the,problem was the external ip in the SupervisorServer.cfg file.

[MentaL]

[Adnan DatLife]

need r3dlog. and supervisor server log and master server log. :/

[Kuchen]

i think its some Problems with the Ips dunno if u guys using Hamachi or something like this