[dns-operations] A dns-proxy for DNS over HTTP(s)

Jared Mauch jared at puck.nether.net
Wed Aug 26 13:08:00 UTC 2015


> On Aug 26, 2015, at 8:48 AM, bert hubert <bert.hubert at powerdns.com> wrote:
> 
> On Wed, Aug 26, 2015 at 10:17:09PM +1000, Roland Dobbins wrote:
>> On 26 Aug 2015, at 14:02, Shane Kerr wrote:
>> 
>>> I'd be curious to see a survey of which stub resolvers could be
>>> coerced into using TCP. :)
>> 
>> I thought all RFC-compliant stub resolvers had to support TCP?
>> 
>> Sending back an empty answer with TC=1 should stimulate them to
>> retry via TCP, no?
> 
> Last time I checked they all supported this. But do recall the "stub
> resolver" often is proxied via a high quality piece of routing equipment at
> home these days...

This is what NETGEAR does and hasn’t patched:

https://www.cloudshark.org/captures/273da18d3057

- Jared



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