From owner-freebsd-questions@FreeBSD.ORG Tue Oct 23 05:34:23 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 659BE16A418 for ; Tue, 23 Oct 2007 05:34:23 +0000 (UTC) (envelope-from tedm@toybox.placo.com) Received: from mail.freebsd-corp-net-guide.com (mail.freebsd-corp-net-guide.com [65.75.192.90]) by mx1.freebsd.org (Postfix) with ESMTP id 1FD5F13C4BC for ; Tue, 23 Oct 2007 05:34:22 +0000 (UTC) (envelope-from tedm@toybox.placo.com) Received: from TEDSDESK (nat-rtr.freebsd-corp-net-guide.com [65.75.197.130]) by mail.freebsd-corp-net-guide.com (8.13.8/8.13.8) with SMTP id l9N5YAva038254; Mon, 22 Oct 2007 22:34:10 -0700 (PDT) (envelope-from tedm@toybox.placo.com) From: "Ted Mittelstaedt" To: "RW" , Date: Mon, 22 Oct 2007 22:34:23 -0700 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1914 In-Reply-To: <20071019143215.1943ae88@gumby.homeunix.com.> Importance: Normal Cc: Subject: RE: www.freebsd.org won't load in IE 7.x in vista box. 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: Tue, 23 Oct 2007 05:34:23 -0000 > -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of RW > Sent: Friday, October 19, 2007 6:32 AM > To: freebsd-questions@freebsd.org > Subject: Re: www.freebsd.org won't load in IE 7.x in vista box. > > > On Wed, 17 Oct 2007 15:07:55 +0200 > J65nko wrote: > > > > >From the section "Compatibility problems" of > > http://en.wikipedia.org/wiki/TCP_window_scale_option > > > > "TCP Window Scaling is widely implemented in the Windows Vista > > operating system. Because many routers do not properly implement TCP > > Window Scaling, it can cause a users Internet connection to > > malfunction intermittently for a few minutes, then appear to start > > working again for no reason. If "diagnose problem" is selected in > > Vista, an error message will be displayed "cannot communicate with > > primary DNS server." > > " > > Routers shouldn't care about TCP windows so I guess they're actually > referring to the firewalls on NAT-routers. > > What I don't get is why a TCP Window problem affects DNS. It's not > mentioned in the Wikipedia article or the referenced tech-recipes.com > link. Surely Vista doesn't routinely do DNS over TCP. > It don't. When you click the diagnose problem it does it's usual IPv6 DNS lookup first. They probably assume if the admin got the window scaling thing wrong they got the DNS thing wrong too. Ted