From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernhard Bock Subject: Re: Iptables find invalid packets Date: Mon, 21 Jul 2008 14:58:11 +0200 Message-ID: <488487E3.2020906@bock.nu> References: <48847F16.8040604@itool.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <48847F16.8040604@itool.com> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Dimitri GOURDON Cc: netfilter@vger.kernel.org Hi Dimitri, Dimitri GOURDON wrote: > A lot of TCP packets with FIN or RST flags (all I think) from clients > are dropped by Iptables as state INVALID. The consequence is that I have > a lot of connection in FIN_WAIT state (shown by netstat) on the 2 web > servers... [...] > Is someone can help me ??? Sounds a bit like the problem I've asked about a few days ago. Try to increase the hashsize of nf_conntrack. My INVALID packets vanished after this (at least as long as I wasn't using conntrackd for stateful failover). best regards Bernhard