How to add a password to your Garry's Mod Server
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It's recommended that the server is stopped while you make these changes!
Firstly login to your TCadmin control panel here
Locate Configuration Files

You should see a configuration file called server.cfg as shown

Within the server.cfg file editor there should be an input box for your password located here:

Enter any password you wish and then save at the bottom of the page.
If you have any issues when trying to connect to your now pass worded server, try this guide here
This guide will help you set a password for your Garry's Mod server
It's recommended that the server is stopped while you make these changes!
Setting The Password
Firstly login to your TCadmin control panel here
Locate Configuration Files

You should see a configuration file called server.cfg as shown

Within the server.cfg file editor there should be an input box for your password located here:

Enter any password you wish and then save at the bottom of the page.
If you have any issues when trying to connect to your now pass worded server, try this guide here
Updated on: 04/03/2022
Thank you!