Opening Ports for Garrys Mod using Your Router

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Port Forward Staff
July 22, 2021 (Last Updated: ) | Reading Time: 1 minutes

The ports that need to be forwarded for a Garrys Mod are listed here:

Garrys Mod - PC

  • TCP: 27014-27050
  • UDP: 3478, 4379-4380, 27000-27030

Setting Up a Port Forward for a Garrys Mod

You may need to forward ports in your router when you use a Garrys Mod. A port forward allows incoming connection requests from the internet to go straight to a Garrys Mod.

By default routers do not allow incoming network requests. A port forward can overcome this limitation.

Before Forwarding 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. 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.

How To Forward Ports for a Garrys Mod

You can use our Network Utilities software to automatically forward ports for you. 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.

Another option is to go through the process of forwarding ports one step at a time. 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 a Garrys Mod:

List of Routers - Customized for Garrys Mod

Those are the steps to take in order to forward ports in your router for a Garrys Mod.

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