very weird connection problem

When i try to connect to my web i succeed bat when i try to connect to client:
"Your acount is invalid"
Titan Link Server:
http://img502.imageshack.us/img502/1...1581977887.png

make your firewall allowed the incoming and outbound connection it will work ;)

also its can be md5 problems too, check joinserver for MD5 Enabled / Disabled

more probable that it's MD5 on/off problems. make sure what the database is and use the corresponding settings