Is there any way to prevent the unregistered users from joining the server? If
you try to run a private server it can get really annoying if random people
pop up, taking up open server slots. What would be a good way to fight that
apart from setting a server password and keeping the server IP private in the
You said it: "setting a server password and keeping the server IP private".
this implies you're using some sort of external auth system (or else how woud
users be able to register in the first place?) - it shouldn't be difficult to
make such a system kick unregistered users.