Re: [dnsoverhttp] Survey of DNS over HTTP

william manning <chinese.apricot@gmail.com> Fri, 16 September 2016 18:24 UTC

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From: william manning <chinese.apricot@gmail.com>
Date: Fri, 16 Sep 2016 11:24:51 -0700
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To: Patrick McManus <pmcmanus@mozilla.com>
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Cc: Shane Kerr <shane@time-travellers.org>, "dnsoverhttp@ietf.org" <dnsoverhttp@ietf.org>, Martin Thomson <martin.thomson@gmail.com>, Stephen Farrell <stephen.farrell@cs.tcd.ie>
Subject: Re: [dnsoverhttp] Survey of DNS over HTTP
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On Friday, 16 September 2016, Patrick McManus <pmcmanus@mozilla.com> wrote:

>
> On Fri, Sep 16, 2016 at 12:02 PM, Martin Thomson <martin.thomson@gmail.com
> <javascript:_e(%7B%7D,'cvml','martin.thomson@gmail.com');>> wrote:
>
>> As a practical matter, I don't see IP subjectAltName ever being used.
>> Better to retain the notion of a name, even if you don't use that name
>> in the process of establishing a connection to the server.
>>
>
>
> I'd agree with that. Names can be useful for authentication without
> needing to even loosely be bound to the addressing - especially for
> bootstrap.. this is an established mode of operation for far more than
> bootstrap - e.g. CONNECT tunnels through a hardcoded proxy.
>
>
Then you run into the problem where the machine owner has given it a name
and the DNS admin has given it a different name.  Inevitably the cert will
not be tied to the DNS name.