Arma Reforger uses an admin password in server_config.json. Set this to a private value and only share it with trusted admins.
- Open your Arma Reforger server in the control panel.
- Click Configuration Files.
- Open
server_config.jsonwith Config Editor. - Enter a private value in Admin Password.

- Click Save & Exit.
- Restart the server.
Use a different value from the normal server password. If you edit with Text Editor instead, the JSON field is game.passwordAdmin.
