From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Hallager Subject: Re: Fwd: Re: IP Tables slows network response times Date: Mon, 15 Aug 2005 23:04:15 +1200 Message-ID: <200508152304.15397.michael@networkstuff.co.nz> References: <57F9959B46E0FA4D8BA88AEDFBE5829074AD@pxtbenexd01.pxt.primeexalia.com> <200508152205.09409.michael@networkstuff.co.nz> <4300742E.6050307@mnemon.de> Reply-To: michael@networkstuff.co.nz Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4300742E.6050307@mnemon.de> Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="us-ascii" To: netfilter@lists.netfilter.org I use Postfix MTA and I am getting long waits on other aservices like www. I will post the output. > Some time ago, I had a similar problem with slow responses (~30s delay). > It turned out that it was identd, as Grant assumed in your case too. > Adding a rule like > > iptables -A OUTPUT -p tcp --dport 113 -j REJECT \ > --reject-with tcp-reset > > solved this for me. I don't know the Slackware distro, but it seems, > that they use sendmail. If this is true, it is quite likely that identd > causes the trouble (at least it was true for me on one box). > > Have a nice time, > > Joerg -- Michael Hallager networkStuff ltd www.networkstuff.co.nz | p.09.839.1000 | m.029.638.7883