Yesterday's Windows update causes IPv4 to be default

Brian E Carpenter brian.e.carpenter at gmail.com
Thu Nov 22 09:05:33 CET 2012


On 21/11/2012 21:41, nick hatch wrote:
> On Wed, Nov 21, 2012 at 2:56 AM, Brian E Carpenter <
> brian.e.carpenter at gmail.com> wrote:
> 
> 
>> Alternatively, find the IPv4 address of www.msftnsci.com,
>> in my case 23.62.53.58,
>>
>> and then add an entry to your hosts file like this:
>>
>> #confuse the Windows v6 connectivity test by pointing it to IPv4
>> 23.62.53.58     ipv6.msftncsi.com
>>
>> It works beautifully.
>>
> 
> For those of you following along at home, note that several letters in '
> www.msftnsci.com' are transposed (should be ' www.msftncsi.com ') -- lest
> you go down the rabbit hole of trying to figure out if you're using a
> malicious resolver, or wondering what country 'VG' is.

Oops. Sorry about the typo.

> 
> This hack might not be too stable: note that www.msftncsi.com is a CNAME to
> an Akamai CDN host. In my experience, Akamai addressing is quite dynamic,
> and pinning to an IP literal will probably break sometime in the near
> future.

Oh indeed, it was just a "Would this really work?" hack, and it's
irrelevant if you have good v6 connectivity.

   Brian


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