Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 25 Nov 2019 00:07:09 +0700
From:      Victor Sudakov <vas@sibptus.ru>
To:        freebsd-net@freebsd.org
Subject:   Re: Several hosts behind a caching resolver
Message-ID:  <20191124170709.GA20512@admin.sibptus.ru>
In-Reply-To: <e7394108-5356-c009-a9cf-47154cc6d93d@grosbein.net>
References:  <20191124123451.GA6593@admin.sibptus.ru> <d726b6af-f731-ae36-9407-87e740ba5a0c@grosbein.net> <20191124160241.GA17008@admin.sibptus.ru> <e7394108-5356-c009-a9cf-47154cc6d93d@grosbein.net>

next in thread | previous in thread | raw e-mail | index | archive | help

[-- Attachment #1 --]
Eugene Grosbein wrote:
> 24.11.2019 23:02, Victor Sudakov wrote:
> 
> > If there are multiple recursive queries for MS domains only, do you think
> > the operator of Resolver B can tell if there are 10 or 100 MS clients
> > behind Resolver A? 
> 
> I guess so, because different Windows versions may behave differently (including erratic behaviour)
> and volume of DNS traffic may give some hints, too.
> 
> This seems as XY-problem for me :-) What is your X problem?

There is no problem, there is curiosity and a little research if an ISP
or DNS operator can nose out the number of hosts on a customer's
internal network by analyzing DNS traffic.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49@fidonet http://vas.tomsk.ru/

[-- Attachment #2 --]
-----BEGIN PGP SIGNATURE-----

iQEcBAEBAgAGBQJd2ri9AAoJEA2k8lmbXsY0Pg4H/2Ms/iN7ctuIGWY7YFcF9KMQ
X2kz3PMYxol6j6kvuajHKSv55/vQbzAzT1q3Gl4ZInjgEcRbUhT2tiNGks0dbzcE
oAig/ZKW99dlQz3wc46eP1e/Rv1xPnukTs925NWwKTaZkXG6O34ez9hsNRD3vHcy
Flrg/u1ZLwoNiDfg6qtmPzWs4vVGiDvFK0u8wEjNl/PuxJy5eZ715r4RdcWD1E0L
nYSRLwyBsBdEFMJkqXADoc8IFnZQg/6vx6P3kHZbBbdLvRk96nH/HjW1ppetZ4mB
YvYSTioCIvdc3ye9ZFSzUqYWtIW9UjlLVh6h5KevWNwX8HSU3SPBUvRuAtdSmi0=
=TXau
-----END PGP SIGNATURE-----

Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20191124170709.GA20512>