Here is a list of the ports that need to be forwarded for Half-Life Deathmatch: Source Server:
Half-Life Deathmatch: Source Server - PC
- TCP: 27015
- UDP: 27015
Set Up a Port Forward for Half-Life Deathmatch: Source Server

When you use Half-Life Deathmatch: Source Server you may need to forward ports in your router. Forwarding ports is used to allow incoming connection requests from the internet to Half-Life Deathmatch: Source Server.
Routers do not generally allow incoming connection requests from the internet. A port forward can overcome this limitation.
Before You Forward a Port
Before forwarding a port make sure that you know these things:
- The IP address of your router.
- The internal IP address of your computer.
- Each of the TCP and UDP ports that you need to forward.
Find the IP Address of Your Router
We have free Router Detector software to help you find your router's IP address. It is part of our Network Utilities suite of tools and is free for you to use it.
You can also follow our Find Your Router IP Address article.
Setting Up a Port Forward for Half-Life Deathmatch: Source 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.
Port forwarding can also be set up step-by-step by hand. The step-by-step process for forwarding a port is:
- You can start by logging in to your router.
- Look for the port forwarding section in your router.
- Type the IP address of your computer into the correct box in your router.
- Put the TCP and UDP ports for Half-Life Deathmatch: Source Server in the corresponding boxes in your router.
Usually you have to reboot your router in order to save the changes.
You can choose your router from our list to see exactly how to forward ports for Half-Life Deathmatch: Source Server:
List of Routers - Customized for Half-Life Deathmatch: Source Server
That is the process required to forward ports in your router for Half-Life Deathmatch: Source Server.