The easiest way to admin your own server is via the rcon comand.
Before you open a server set a rcon password in your server.cfg file
Check in the mod directory for it Add the following to the server.cfg:
rcon_password blabla where blabla is the pw your gonna use
Then start a server , you can choose FF on or of playe rlimits etc already in the options you get when creating one.
Once you got your server running you have to register to it with your rcon:
Open console and type rcon_password blabla
Your now allowed to execute rcon comands.
to kick use "rcon kick playername or #PlayerID"
Ban: "rcon banid WONID Mins kick" mins stand for the amount of minutes for the ban.. 0 sets forever.
Use em without the "