if u use a router or a modem open the next ports:
1433 - SQL (for remote connections like link server used by session) WARNING HACKABLE
30800 - ps_login.exe
30810 - ps_game.exe
30900 - ps_session.exe
30901 - ps_userLog.exe, ps_userLog.exe, ps_userLog.exe
30911 - ps_dbAgent.exe
30912 - ps_gameLog.exe
40900 - PSM_Agent.exe
and change the public IP in the PSM_ServerMgr.exe and in the the game.ini (in case u didnt change it )