To get your server added to the master list and to allow it to accept connections, you would need to:
- Visit: https://steamcommunity.com/dev/managegameservershere and login with your Steam details.
- A link to this page is also provided on the Easy Setup tab of your CS:GO/CS2 server control panel.
- After logging in, you will see the following:
- Enter 730 in the App ID field for CSGO/CS2, then enter whatever you'd like into the "Memo" field.
- Select create and copy the generated GSLT.
- Visit your NFO control panel and select the "Easy setup" tab.
- Enter your GSLT into the "Login Token" field and submit with the "Commit changes" button.
- Reboot your server on the "Server control" tab to enact the changes.