Re: [Doh] DOH and Induced DNS

Mark Nottingham <mnot@mnot.net> Mon, 06 November 2017 23:50 UTC

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From: Mark Nottingham <mnot@mnot.net>
In-Reply-To: <d409ac29-e3a0-41d2-fb6e-9891c90edcdd@nostrum.com>
Date: Tue, 7 Nov 2017 10:50:18 +1100
Cc: dagon <dagon@sudo.sh>, doh@ietf.org
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References: <20171106170750.GA24665@sudo.sh> <C93D011F-68D3-4B21-BB37-4ABF10488372@mnot.net> <73c2dac6-b3bb-c9f7-4710-e1c3750b50f8@nostrum.com> <24074F51-B167-42A4-83F0-29FCB750ACEB@mnot.net> <d409ac29-e3a0-41d2-fb6e-9891c90edcdd@nostrum.com>
To: Adam Roach <adam@nostrum.com>
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Subject: Re: [Doh] DOH and Induced DNS
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> On 7 Nov 2017, at 10:47 am, Adam Roach <adam@nostrum.com> wrote:
> 
> On 11/6/17 5:42 PM, Mark Nottingham wrote:
>> 
>>> On 7 Nov 2017, at 10:39 am, Adam Roach <adam@nostrum.com> wrote:
>>> 
>>> If the notion here is to prevent JS-initiated queries, I'll point out that this is explicitly prohibited by the working group charter: "While access to DNS-over-HTTPS servers from JavaScript running in a typical web browser is not the primary use case for this work, precluding the ability to do so would require additional preventative design. The working group will not engage in such preventative design."
>> No, the intent is to allow a DOH server to distinguish between JS-initiated requests and "native" ones, making up its own mind what to do with that information.
> 
> It seems that the information in the "Referrer" header field would already provide this ability, and with far better granularity than a simple "yes/no".

It could -- or Origin.



--
Mark Nottingham   https://www.mnot.net/