> Just a quick question. Is there a tutorial/how-to/example for conntrack > module?? http://netfilter.org/documentation/HOWTO//netfilter-extensions-HOWTO-3.html#ss3.3 should give you the basic idea. > I've been using -m state ESTABLISHED, RELATED, NEW, and INVALID without > doubts , but reading ponng I found conntrack module and I couldn > undersant its usage.. essentially--it allows you to be much more granular in what you require to match a state entry. with most of the POM stuff--if you can't figure out the point of it--you probably don't need it. -j