From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pascal Hambourg Subject: Re: Problems getting NOTRACK to do anything at all Date: Fri, 02 Oct 2009 15:49:43 +0200 Message-ID: <4AC604F7.6060907@plouf.fr.eu.org> References: <0d99e50d4f57cd74439c228559a6738c@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <0d99e50d4f57cd74439c228559a6738c@localhost> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: Marcel Laverdet Cc: netfilter@vger.kernel.org Hello, Marcel Laverdet a =E9crit : >=20 > For some reason I can't seem to get the NOTRACK iptables rule to do > anything at all. Can anyone make sense of the following session which= I > think describes the problem better than words could. The session belo= w was > carried out on a reasonably busy server, and I didn't waste much time= in > between each command. [...] > fantasma marcel # iptables -t raw -A PREROUTING -i lo -j NOTRACK I guess the raw/PREROUTING chain is too late for local traffic. Locally generated packets are processed by conntrack in the NF_IP_LOCAL_OUT hoo= k unless the NOTRACK target was used in the raw/OUTPUT chain. Try this instead : iptables -t raw -A OUTPUT -o lo -j NOTRACK