From owner-freebsd-questions@FreeBSD.ORG Mon Feb 13 19:41:41 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 369DD16A420 for ; Mon, 13 Feb 2006 19:41:41 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from pi.codefab.com (pi.codefab.com [199.103.21.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id C0AA543D76 for ; Mon, 13 Feb 2006 19:41:20 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from localhost (localhost [127.0.0.1]) by pi.codefab.com (Postfix) with ESMTP id 20F695C78; Mon, 13 Feb 2006 14:41:19 -0500 (EST) Received: from pi.codefab.com ([127.0.0.1]) by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 99891-01; Mon, 13 Feb 2006 14:41:18 -0500 (EST) Received: from [199.103.21.238] (pan.codefab.com [199.103.21.238]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by pi.codefab.com (Postfix) with ESMTP id 523B65C48; Mon, 13 Feb 2006 14:41:18 -0500 (EST) In-Reply-To: <1716.209.134.164.18.1139835495.squirrel@www.stelesys.com> References: <1716.209.134.164.18.1139835495.squirrel@www.stelesys.com> Mime-Version: 1.0 (Apple Message framework v746.2) X-Priority: 3 (Normal) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <9CB4E9E3-EE93-4E65-AD74-0ACC9B3C64FF@mac.com> Content-Transfer-Encoding: 7bit From: Charles Swiger Date: Mon, 13 Feb 2006 14:41:17 -0500 To: Jerry Bell X-Mailer: Apple Mail (2.746.2) X-Virus-Scanned: amavisd-new at codefab.com Cc: freebsd-questions@freebsd.org Subject: Re: Help with strange web server problem X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Feb 2006 19:41:41 -0000 On Feb 13, 2006, at 7:58 AM, Jerry Bell wrote: > It's hit or miss, but the first time someone visits the web site, > they get > a "server not found" page. On hitting refresh, they get the page - no > problems. If I wait a while and try again, I get the same problem. Path MTU problem? > The problem appears to be something in the initial communication > with the > web server. Using tcpdump, I can see that the PC connects to the web > server and sends the GET request, but the server closes the connection > abruptly. Comparing that flow to a normal session, I see that > there are > some extra packets between the initial SYN and the sending of the GET > phrase that do not exist during a successful session. The details would help. :-) Or you could tell us what the server is so we could try hitting it ourselves... -- -Chuck