Hi, On Tue, 28 Mar 2006 19:44:07 +0530 "Hiren Dave" <[EMAIL PROTECTED]> wrote:
> I did this: > [...] > #iptables -A OUTPUT -m owner --uid-owner 0 -j ACCEPT > #iptables -A OUTPUT -j DROP > [...] > Still other users including root can ping other PCs. Why is this not > working? please post the output of "iptables -vnL". We're talking about users on that PC, not those using it as a gateway/router/bridge/whatever, correct? > Also I have some diffulties understanding Connection Tracking(NEW, > ESTABLISHED, RELATED, INVALID) concept. Those are protocol dependant. I really think that those are well described even in iptables man page. Basically, you'll want sth like this: iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT and maybe the same for FORWARD. Of course, for FORWARD, you'll want to match NEW,ESTABLISHED,RELATED for outgoing connections (well, or even don't impose any restrictions for outgoing connections). > Any practical guide available on internet for iptables??? Lots. That "practical" depends on the problem faced which you didn't describe at all. So del.icio.us would be my first hint, Google follows: http://del.icio.us/tag/netfilter http://www.google.com/search?q=netfilter (note that the concept is usually referred to as "netfilter") -hwh -- gentoo-user@gentoo.org mailing list
