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Re: [Add] [EXTERNAL] Re: draft-grover-add-policy-detection-00

Rob Sayre <sayrer@gmail.com> Tue, 16 July 2019 20:17 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Tue, 16 Jul 2019 13:17:28 -0700
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To: Eric Rescorla <ekr@rtfm.com>
Cc: Alec Muffett <alec.muffett@gmail.com>, add@ietf.org, "Dixon, Hugh" <Hugh.Dixon@sky.uk>
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Subject: Re: [Add] [EXTERNAL] Re: draft-grover-add-policy-detection-00
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On Tue, Jul 16, 2019 at 1:11 PM Eric Rescorla <ekr@rtfm.com> wrote:

>
>> In fairness, I'm not sure I quite follow. But, if I worked at a browser
>> vendor, I would be worried about DoH rollout too. I think I'd gradually
>> ratchet up the security signals in the location bar with the end result of
>> marking sites insecure if their IP was fetched over DNS in the clear.
>>
>
> Ignoring the UI question, let me push a bit on "in the clear".
>

Sure, but I don't you should ignore the UI question. Having been on the
receiving end of a few "why is the lock broken on our site?" emails from a
CEO, I can tell you it is really effective.


>
> Currently, resolvers are configured by IP address, not domain name.
>

This is true, so companies go for stuff like 1.1.1.1 and 8.8.8.8.



> So absent mechanisms such as TRR, how does the DNS client form a secure
> connection to the resolver? What domain name is in the certificate and how
> does the client learn that domain name?
>

I agree that there's a bootstrapping problem, but I don't think this draft
helps with that.

thanks,
Rob



>
> -Ekr
>
>
>
>
>> This is distinct from choosing a DNS vendor.
>>
>> thanks,
>> Rob
>>
>>
>>
>>

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