[soul225]

My server is not visible on the Internet. What trafic policy i need for it?

[Faskis]

You need to make sure port 7777 (UDP), or whichever port you've specified in your server config, is open to inbound connections.

[iKyle]

Open TDP and UDP, in the Windows Firewall and make sure your internet provider has that port open. If you are using a VPS, then you just have to do the Windows Firewall. Select the specific port you want open, make it a TDP inbound rule, then after your done, go back and do the same thing but this time with a UDP rule.

[Vince]

It's TCP, not TDP. And no, you don't need that.