Re: [DNSOP] DNS privacy draft

Warren Kumari <warren@kumari.net> Wed, 04 December 2013 02:24 UTC

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From: Warren Kumari <warren@kumari.net>
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Date: Tue, 03 Dec 2013 21:24:27 -0500
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To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
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Subject: Re: [DNSOP] DNS privacy draft
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On Dec 3, 2013, at 5:20 PM, Stephane Bortzmeyer <bortzmeyer@nic.fr> wrote:

> On Mon, Dec 02, 2013 at 01:13:26PM -0500,
> Warren Kumari <warren@kumari.net> wrote 
> a message of 35 lines which said:
> 
>>> OK. And do note "chaff" may be a by-product of
>>> draft-wkumari-dnsop-hammer.
>> 
>> Um, please explain.
>> 
>> Hammer (and the various similar, actually implemented things) simply
>> trigger lookups a few seconds before the TTL would naturally expire
>> *in response to an incoming query*.
> 
> OK, I was too fast, sorry. Hammer itself does not scramble the stream
> of requests. So, I withdraw the reference to Hammer.
> 

Okey dokey (and the hackles go down :-P)

> Still, sending gratuitous queries, without an incoming query and
> without waiting for the expiration, may be a good strategy for a
> resolver to make traffic analysis more difficult for the eavesdropper
> (or for the authoritative name servers).
> 

--
The plural of anecdote is not evidence.
        -- Bill Lockyer, California Attorney General