seriously this is very important and I am a new server owner
app=MCGalaxy

Please take a look. https://github.com/ClassiCube/MCGalaxy/wiki/Level-permissions

So how do I turn off their flight and noclip?

1 minute ago, Beratu77 said:

So how do I turn off their flight and noclip?

/map motd -hax

There are other arguments you can add and you can do multiple in the same MOTD. Like /map motd -hax +respawn
Look at /help map motd to see every argument.

thank you

There is a place, only the owners should fix that area.

is there a code for this?