How to configure firewall for Garry's Mod game server
In this article we will be discussing a quick and simple method of securing and setting up your firewall to whitelist and protect your Garry's mod game-server. Please direct yourself to the "Firewall Manager" page inside of your portal account.
Move forward with whitelisting RDP for soley your IP address. (Windows Example)
Once you've done this you can finally move forward to whitelisting your G-MOD game-server port via the firewall (default: 27015/udp)
Once you have verified that your server is responding to requests over 27015/UDP and the game-server is functional you can now apply application specific filters to fine-tune the protection for your server. Direct yourself to the filters tab inside of the "Firewall Manager" once you have done this make a new filter as shown below for VSE and HL2/Source.
Congratulations your server is now ready to go for G-MOD.
Move forward with whitelisting RDP for soley your IP address. (Windows Example)
Once you've done this you can finally move forward to whitelisting your G-MOD game-server port via the firewall (default: 27015/udp)
Once you have verified that your server is responding to requests over 27015/UDP and the game-server is functional you can now apply application specific filters to fine-tune the protection for your server. Direct yourself to the filters tab inside of the "Firewall Manager" once you have done this make a new filter as shown below for VSE and HL2/Source.
Congratulations your server is now ready to go for G-MOD.
Updated on: 22/03/2023
Thank you!