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To set a password on a FREAKHOSTING American Truck Simulator server, stop the server, open Files > .local > share > American Truck Simulator, and type your password between the quotes in the password line of server_config.sii, for example password: "convoy2026". Save and start the server, then check the [MP] Password required: line in the console. Passwords can be up to 63 characters.

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How to add a password

1

Stop the server

Stop the server.
2

Open server_config.sii

Open Files, go to .local > share > American Truck Simulator and click server_config.sii.
3

Type the password

Find the password line and put your password between the quotes:
4

Save and start

Save the file and start the server. Check the [MP] Password required: line in the console.
5

Share it

Give the password to your players. The game asks for it when they join your session.

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How to remove the password

Set the line back to empty quotes and restart:
The console then shows [MP] Password required: No, as on a new server.

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Password tips

  • Keep the quotes around the password.
  • Use letters and numbers so players can type it easily.
  • The panel doesn’t change this line. Your password stays after restarts and updates.
  • Don’t reuse your Game Panel or Steam password.

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Frequently asked questions

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Is there a password field on Startup?

No. On ATS the password lives only in server_config.sii.

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My players say the password is wrong. What should I check?

Open server_config.sii and check the exact text between the quotes, including capital letters and spaces. Then restart the server, because changes apply on start.

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Can I hide my server instead of using a password?

show_server and friends_only are not used by the dedicated server, so a password is the way to keep a session private.

ATS server guide

Every ATS page in one place.

server_config.sii explained

Every setting and its limit.

Change max players

Up to 8 players.

Not showing in the list

Help players find your session.
Tested by the FREAKHOSTING team on our Game Panel on 30 October 2026 (American Truck Simulator dedicated server 1.61s). Steps may differ slightly if the game changes.

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Need Extra Help?

If you encounter any issues, our support team is ready to assist:

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Last Updated: October 2026