Das Sourcebans läuft doch einwandfrei. Habe aber den Fehler lokalisiert. Der UDP Port 27015 ist geschlossen, obwohl mein hoster gesagt hat das er offen wäre.
[+] SourceBans "Error Connecting()" Debug starting for server 37.114.109.140:27015
[+] Trying to establish UDP connection
[+] UDP connection successfull!
[+] Trying to write to the socket
[+] Successfully requested server info. (That doesn't mean anything on an UDP stream.) Reading...
[-] Error getting server info. Can't read from UDP stream. Port is possibly blocked.
[+] Trying to establish TCP connection
[+] TCP connection successfull!
[+] Trying to write to TCP socket and authenticate via rcon
[+] Successfully sent authentication request. Reading...
[+] Got an response!
[+] Password correct!
Dank dem Hinweis von MadMakz
http://www.sourcebans.net/public/sb_debug_connection.zip runterladen, entpacken, editieren (ersten drei variabelen) in deinen sourcebans ordner laden, sb_debug_connection.php im browser aufrufen.
Gruss Apollo