iptables hacking

i am planning to set up a packet filter in linux using iptables.
* will hacking iptables really provide an efficient packet filter? if
yes in what sense?
* plz guide me with the right resource for hacking iptables.

>i am planning to set up a packet filter in linux using iptables.
> * will hacking iptables really provide an efficient packet filter?

You've got to be kidding me.

Yes.

> if
> yes in what sense?

in the sense that it completely and efficiently filters all packets.

> * plz guide me with the right resource for hacking iptables.

www.google.com

search on appropriate keywords.

don't post questions until you've taken a little time to read the easily
accessible information related to your question. looks like you just want
us to do all your easy work.