How to Open a Port in Your Router for Alien Swarm (UT2K4) Server

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Port Forward Staff
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The ports that need to be forwarded for Alien Swarm (UT2K4) Server are listed here:

Alien Swarm (UT2K4) Server - PC

  • TCP: 28902
  • UDP: 7777-7778, 7787

Forwarding Ports for Alien Swarm (UT2K4) Server

When you use Alien Swarm (UT2K4) Server you may need to forward ports in your router. Forwarding ports is used to allow incoming connection requests from the internet to Alien Swarm (UT2K4) Server.

By default routers do not allow incoming network requests. By forwarding a port you can overcome this limitation.

Remember to Do These Things Before You Forward a Port

Make sure that you know these things before forwarding a port:

Find Your Router's IP Address

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.

Otherwise, you can follow our guide Find Your Router IP Address.

How To Set Up Port Forwarding for Alien Swarm (UT2K4) Server

A smart way to forward your ports is to use Network Utilities. 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.

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

Some routers need to be rebooted in order for the changes to be saved.

You can choose your router from our list to see exactly how to forward ports for Alien Swarm (UT2K4) Server:

List of Routers - Customized for Alien Swarm (UT2K4) Server

That is the process required to forward ports in your router for Alien Swarm (UT2K4) Server.

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