The ports that need to be forwarded for Red Orchestra: Combined Arms Server are listed here:
Red Orchestra: Combined Arms Server - PC
- TCP:
- UDP: 7777-7778, 7787, 28902
Set Up a Port Forward for Red Orchestra: Combined Arms Server

When you use Red Orchestra: Combined Arms Server you may need to forward ports in your router. A port forward allows incoming connection requests from the internet to go straight to Red Orchestra: Combined Arms Server.
Routers are not designed to allow incoming network requests. Forwarding ports can work around this limitation.
Before You Forward a Port
You need to know the following things before you can forward a port:
- Your router's IP address.
- The internal IP address of your computer.
- The list of the TCP and UDP ports that you need to forward.
Find the IP Address of Your Router
You can run our free Router Detector software to locate your router's IP address. It is part of our Network Utilities suite of tools and is free for you to use it.
Otherwise, you can follow our guide Find Your Router IP Address.
How To Set Up Port Forwarding for Red Orchestra: Combined Arms Server
The easiest way to forward your ports is to use our Network Utilities software. Since Network Utilities allows you to both forward and un-forward ports easily you can keep your network security maximized, and then forward ports only when you need them.
Alternatively you can do it by hand. The step-by-step process for forwarding a port is:
- Log in to your router.
- Locate your routers port forwarding section.
- Put the IP address of your computer in the proper box in your router.
- Put the TCP and UDP ports for Red Orchestra: Combined Arms 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 Red Orchestra: Combined Arms Server:
List of Routers - Customized for Red Orchestra: Combined Arms Server
That's all it takes to forward your ports for Red Orchestra: Combined Arms Server.