Opening Ports for ARMA: Combat Operations Server using Your Router

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The ports that need to be forwarded for ARMA: Combat Operations Server are listed here:

ARMA: Combat Operations Server - PC

  • TCP:
  • UDP: 2302-2305

Forwarding Ports for ARMA: Combat Operations Server


When you use ARMA: Combat Operations Server you might need to forward some ports in your router. Forwarding ports is used to allow incoming connection requests from the internet to ARMA: Combat Operations Server.

Routers are not designed to allow incoming network requests. By forwarding ports you can work around this limitation.

Before You Forward a Port

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

Find the IP Address of Your Router

You can run our free Router Detector software to locate your router's IP address. The software is part of our Network Utilities suite of tools and it is completely free to use.

You can also follow our Find Your Router IP Address article.

Forwarding a Port for ARMA: Combat Operations Server

You can use our Network Utilities software to automatically forward ports for you. Our Network Utilities software allows you to add port forwards and also remove them when you no longer need them to maximize your network security.

Port forwarding can also be set up step-by-step by hand. The normal process for forwarding a port is:

Frequently you have to reboot your router for the changes to take effect.

You can choose your router from our list to see exactly how to forward ports for ARMA: Combat Operations Server:

List of Routers - Customized for ARMA: Combat Operations Server

That's all it takes to forward your ports for ARMA: Combat Operations Server.

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