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>
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--ReaqsoxgOBHFXBhH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Eugene Grosbein wrote: > 24.11.2019 23:02, Victor Sudakov wrote: >=20 > > If there are multiple recursive queries for MS domains only, do you thi= nk > > the operator of Resolver B can tell if there are 10 or 100 MS clients > > behind Resolver A?=20 >=20 > I guess so, because different Windows versions may behave differently (in= cluding erratic behaviour) > and volume of DNS traffic may give some hints, too. >=20 > 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. --=20 Victor Sudakov, VAS4-RIPE, VAS47-RIPN 2:5005/49@fidonet http://vas.tomsk.ru/ --ReaqsoxgOBHFXBhH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJd2ri9AAoJEA2k8lmbXsY0Pg4H/2Ms/iN7ctuIGWY7YFcF9KMQ X2kz3PMYxol6j6kvuajHKSv55/vQbzAzT1q3Gl4ZInjgEcRbUhT2tiNGks0dbzcE oAig/ZKW99dlQz3wc46eP1e/Rv1xPnukTs925NWwKTaZkXG6O34ez9hsNRD3vHcy Flrg/u1ZLwoNiDfg6qtmPzWs4vVGiDvFK0u8wEjNl/PuxJy5eZ715r4RdcWD1E0L nYSRLwyBsBdEFMJkqXADoc8IFnZQg/6vx6P3kHZbBbdLvRk96nH/HjW1ppetZ4mB YvYSTioCIvdc3ye9ZFSzUqYWtIW9UjlLVh6h5KevWNwX8HSU3SPBUvRuAtdSmi0= =TXau -----END PGP SIGNATURE----- --ReaqsoxgOBHFXBhH--
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