Re: [Doh] handling HTTP re-directs in DoH

Stephen Farrell <stephen.farrell@cs.tcd.ie> Fri, 12 April 2019 15:25 UTC

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To: Paul Hoffman <paul.hoffman@vpnc.org>
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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Date: Fri, 12 Apr 2019 16:25:08 +0100
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Subject: Re: [Doh] handling HTTP re-directs in DoH
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Hiya,

> On 12 Apr 2019, at 4:39, Stephen Farrell wrote:
> 
>> Discussion on another list prompted me to re-read 8484 to
>> see if I can understand what's supposed to happen if a DoH
>> server returns a 3xx. I didn't find an explicit answer in
>> the RFC, so am wondering what implementers do in that case?
> 

On 12/04/2019 13:44, Daniel Stenberg wrote:
> I *think* the Firefox implementation will follow them if received. The
> curl implementation does not (mostly because of doing as little as
> possible until proven necessary).

Thanks.

On 12/04/2019 15:54, Paul Hoffman wrote:
> DoH is HTTPS. A DoH client is an HTTPS client. Redirects, caching,
> everything is plain HTTP and TLS.

Well, a) see above, and b) I asked about what implementers are doing
not what they ought be doing:-)

Cheers,
S.


> 
> --Paul Hoffman
>