For information: rcon = Remote console, it is where you enter commands that you usually enter directly in the console, like these ones.
Originally Posted by mrnice4884
kick (An rcon kick is like a !tempban (at least on tekno)
kickclient [Player's client number]
kick all (Kick every players, even you)
banclient [Player's client number]
killserver (Shut down the server)
And the chat is used for commands if plugins are loaded.
In the chat you can type a lot of commands like :