Here is a list of the ports that need to be forwarded for ARMA 2 Server:
ARMA 2 Server - PC
- TCP:
- UDP: 2302-2305
Forwarding Ports for ARMA 2 Server

You might need to forward some ports in your router when you use ARMA 2 Server. By forwarding ports you allow connection requests coming from the internet to be directed to ARMA 2 Server.
Routers generally do not allow incoming connection requests from the internet. A port forward can overcome this limitation.
Before Forwarding a Port
You need to know the following things before you can forward a port:
- The IP address of your router.
- The IP address of your computer.
- The TCP and UDP ports that need to be forwarded.
Find the IP Address of Your Router
To find your router's IP address the easy way you can use our free Router Detector software. Our Router Detector tool is free to use and is part of our Network Utilities software.
If you do not want to run the software, you can follow our Find Your Router IP Address guide.
How To Set Up Port Forwarding for ARMA 2 Server
You can use our Network Utilities software to automatically forward ports for you. With Network Utilities, you can easily forward ports and also un-forward ports quickly so that you can keep your network up to date with the ports that you need forwarded and maximize your network security.
You can also choose to set up port forwards manually. The way to forward a port is:
- You can start by logging in to your router.
- Locate the section in your router that deals with port forwarding.
- Type the IP address of your computer into the correct box in your router.
- Put the TCP and UDP ports for ARMA 2 Server in the corresponding boxes in your router.
You probably will need 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 2 Server:
List of Routers - Customized for ARMA 2 Server
Those are the steps for forwarding ports in your router for ARMA 2 Server.