The incoming ports that need to be forwarded for ARMA 2: Operation Arrowhead Server are:
ARMA 2: Operation Arrowhead Server - PC
- TCP:
- UDP: 2302-2305
Forward Ports for ARMA 2: Operation Arrowhead Server

You might need to forward some ports in your router when you use ARMA 2: Operation Arrowhead Server. Forwarding ports is used to allow incoming connection requests from the internet to ARMA 2: Operation Arrowhead Server.
Routers are not designed to allow incoming network requests. Forwarding ports can work around this limitation.
Before Forwarding a Port
Before forwarding a port make sure that you know these things:
- Your router's IP address.
- The IP address of your computer.
- A list of TCP and UDP ports that need to be forwarded.
How to Locate Your Router's IP Address
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.
We have a guide you can follow Find Your Router IP Address if you don't want to run the software.
Forwarding a Port for ARMA 2: Operation Arrowhead Server
A smart way to forward your ports is to use Network Utilities. Network Utilities lets you manage port forwards by putting them in when you need them and also removing the ones that you no longer need which maximized network security.
Port forwarding can also be set up step-by-step by hand. The normal process for forwarding a port is:
- Begin by logging in to your router.
- Locate your routers port forwarding section.
- Put your computer's IP address in the proper box in your router.
- Enter the TCP and UDP ports that you need to forward for ARMA 2: Operation Arrowhead Server in the corresponding boxes in your router.
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 2: Operation Arrowhead Server:
List of Routers - Customized for ARMA 2: Operation Arrowhead Server
That is the process required to forward ports in your router for ARMA 2: Operation Arrowhead Server.