Re: iptables usage
>Subject: iptables usage
>From: Michael Pobega <pobega@gmail.com>
>Date: Tue, 06 Feb 2007 22:01:23 -0500
>To: debian-user@lists.debian.org
>
>I've been trying to get iptables working so that I can finally have a
>worthwhile client-side non-graphical firewall. So to test it out, I
>typed these two commands:
>
>/# iptables -A INPUT -p tcp --dport 80 -j ACCEPT
># iptables -A INPUT -j REJECT
>
>/And for some reason I completely lost my connection to port 80, even
>though that command says "Allow all TCP connections to port 80, but
>reject all others".
>
>Does anyone have any idea why this wouldn't be working? I've also tried
>specifying -d (Destination) as localhost, 127.0.0.1, and 192.168.1.5 (My
>current local IP), but none of them work like I'd wish.
>
>Any clue what I'm doing wrong with iptables that is basically making it
>ignore all of my initial specificiations?
Try this:
### flush your INPUT table
root# /sbin/iptables -F INPUT
### set the INPUT policy
root# /sbin/iptables -P INPUT DROP
### accept tcp on port 80
root# /sbin/iptables -A INPUT -p tcp --dport 80 -j ACCEPT
--
Mark
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