[HELP] BAN accounts

guyz i need help how to ban ppl of the server by name
and how to ban them by IP
plz help.
if somone can help me fix my server or build a new one plz PM me or add me on [Only registered and activated users can see links. Click Here To Register...]
Regards.

ip = ip filtering - can be done without a firewall just edit your router settings

name = button named "delete"

thx , can u help me with my other topic ?