Compile TrinityCore with tools.
Check if you configured correctly realmlist IP.
Copy connection_patcher on you WoW Directory.
edit config.wtf from WTF/ folder
set your external address to SET portal "IP/DNS ADDRESS"
drag WoW.exe on connection patcher
Try to connect to your server.(create bnetaccount from your worldserver console by "bnetaccount create EMAIL PASSWORD"
Port forwards : 1119,8085