help with ipchains

[eduac]

somebody could help me with ipchains? I need to block one door, but i dont need to block of all ips on my network, only some ips (users)...i have a server with debian installed.

anybody can help with this doubt?

[stolzyboy]

here is a decent tut on ipchains

http://www.flounder.net/ipchains/ipchains-howto.html#3

[eduac]

thanks a lot dude.... :-)