Date: Mon, 22 Oct 2007 22:34:23 -0700 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "RW" <fbsd06@mlists.homeunix.com>, <freebsd-questions@freebsd.org> Subject: RE: www.freebsd.org won't load in IE 7.x in vista box. Message-ID: <BMEDLGAENEKCJFGODFOCOEHMCAAA.tedm@toybox.placo.com> In-Reply-To: <20071019143215.1943ae88@gumby.homeunix.com.>
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> -----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 <j65nko@gmail.com> 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
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