ye, i had this problem a few days ago, turned out I put an IP wrong. Found my IP online guide out that I found on ere a while ago, follow it and all should be fine m8y.
Mason (all the best with your files)
1. DBServer/!Addrtable.txt = Internal IP
DBServer/!Severinfo.txt = Internal IP / Global IP
DBServer/Dbsrc.txt = All internal IP
2. LoginGate/config.txt = Internal IP
3. LoginSrv/!Addrtable.txt = server name, server name, Internal IP, Global IP, Global IP
!Serveraddr.txt = Internal IP
Logsrv.txt = All Internal IP
4. M2Server/!runaddr = Global IP
!servertable.txt = Global IP
!Setup.txt = Internal IP
5. RunGate/Config.txt = Internal IP
6. SelGate/Config.txt = Internal IP
Internal IP = 192.168.*.*
Global IP = 82.**.**.*** (IP you give to people for them to log onto your server)
Forward Port's - 3000? 7000,7100,7200 via Router Admin
EDIT - strange enough this guide worked for a set of hero files I have*