How to Forward Ports in Your Router for S.T.A.L.K.E.R.: Clear Sky

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Port Forward Staff
June 14, 2021 (Last Updated: ) | Reading Time: 3 minutes

S.T.A.L.K.E.R.: Clear Sky is an Open-World, Action, Adventure, Role-Playing, First-Person, Survival, and Shooter game published by GSC World Publishing, Deep Silver released in 2008.

S.T.A.L.K.E.R.: Clear Sky characters exploring the area.
S.T.A.L.K.E.R.: Clear Sky characters exploring the area.

S.T.A.L.K.E.R.: Clear Sky offers the following styles of play.

Port Forward S.T.A.L.K.E.R.: Clear Sky

When you are playing S.T.A.L.K.E.R.: Clear Sky you might need to forward some ports in your router. Forwarding ports is a useful trick in gaming because it can really help to make your network connection most stable and sometimes even faster. Routers were not designed to allow incoming network requests and some games can play tremendously better if an incoming connection is forwarded through the router to the game.

Before You Forward a Port

Before you can forward a port you need to know the following things:

How to find your router's IP Address

The easiest way to find your router's IP address is to run our free Router Detector utility. It's a part of the Network Utilities suite of tools and it's completely free to use.

How To Forward Ports

Quickly get your ports forwarded using Network Utilities. Then when you are done you can just as easily close your ports back down to keep your network as secure as possible. You can also do it manually.

The usual process for forwarding a port is:

Ports Required for S.T.A.L.K.E.R.: Clear Sky

The ports that need to be forwarded in your router for S.T.A.L.K.E.R.: Clear Sky are as follows:

S.T.A.L.K.E.R.: Clear Sky - PC

  • TCP: 3783, 6500, 6515, 6667, 13139, 27900, 28900, 29900-29901
  • UDP:

S.T.A.L.K.E.R.: Clear Sky - Steam

  • TCP: 3783, 6500, 6515, 6667, 13139, 27015-27030, 27036-27037, 27900, 28900, 29900-29901
  • UDP: 4380, 27000-27031, 27036

If you want to follow guides that are custom tailored to your exact router and S.T.A.L.K.E.R.: Clear Sky simply follow one of these links:

That's all it takes to get your ports open. Don't forget to check out our growing list of games and programs.

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