Whitelist limits the server's player access to accounts you allow. Add your own account first, then enable the list and try with two different accounts.
Step by step
-
Run
whitelist add OyuncuAdiin the server console. A forward slash is added to the command in the game's chat, usually not needed on console. -
Open the list with
whitelist on. Check the accounts added withwhitelist listand add another friend if necessary. -
Use
whitelist remove OyuncuAdito remove one. Theenforce-whitelistsetting can also affect when players who are already on the server are removed. -
Log in with a normal player on the list, then try again with a disallowed account. Using OP's account as the only test account.
Keep in mind
Access rules of other backend servers accessing the proxy network should also be checked.