PrivateServer is a plugin to restrict non-staff players from joining a server. Basically how it works is when a player joins, it will check if they have the permission to join the server. If they do, it will let them in. Otherwise, it will kick them.
Version Info
Native Version: 1.8
Tested Version(s): 1.8, 1.18, 1.19
Working Version(s): 1.8, 1.18, 1.19
Permissions
privateserver.join - Allows a player to join the server