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Re: Address privacy

Fernando Gont <fgont@si6networks.com> Thu, 30 January 2020 20:51 UTC

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Subject: Re: Address privacy
To: Ted Lemon <mellon@fugue.com>, Michael Richardson <mcr+ietf@sandelman.ca>
Cc: 6man WG <ipv6@ietf.org>
References: <03C832CE-7282-4320-BF1B-4CB7167FE6BE@employees.org> <6c5ba72d-9289-90ba-a1c9-2307ed29a4da@foobar.org> <a98bf2ab-32e7-459b-14d2-5e0e1c65a229@si6networks.com> <CALx6S36J5TPnXJQyMW2NUbQV6KL_oqUQ01m+BEzBJ+xcHpmQWw@mail.gmail.com> <bc0d1eb8-2301-224d-dc33-19f6a60e593e@si6networks.com> <CALx6S34i67ivt8t1P3omRVzsj9NfxY2t41JLjmjT6X0vtBQHKQ@mail.gmail.com> <1fc7816e-6179-28d6-7b11-be2027561a54@si6networks.com> <CALx6S37KXfLE22uHMZTD41+jR7fdZd9PZGqO-r4SE2LehtN=Gg@mail.gmail.com> <2d312ecf-e037-5c24-28d7-2a2c3dc06363@si6networks.com> <CALx6S3 7A1QzR0PhDUzujXGiB+a-9c1qG4g8TE8KOcxOLKP18TQ@mail.gmail.com> <42900FAF-7FD8-46D8-9831-5B9E520814BB@fugue.com> <CALx6S36f41nbj=2fibt9X2EpDO1Rz6o2Fm-QeNMvUfzPCu10jw@mail.gmail.com> <CAO42Z2xhmmrYqkBYF9PNSEtyRaZs8bdj_5DjYYk8Bc040OGCmw@mail.gmail.com> <CALx6S36TsYAJgD=s=vA=RpwRsPvQYKagnQB8kXp2mABRLP4HoQ@mail.gmail.com> <30220.1580410995@dooku> <6085BB72-88C7-4185-A439-748C141E83D6@fugue.com>
From: Fernando Gont <fgont@si6networks.com>
Message-ID: <62744ba2-733d-61ae-ee73-61074665616b@si6networks.com>
Date: Thu, 30 Jan 2020 16:54:33 -0300
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On 30/1/20 16:10, Ted Lemon wrote:
> On Jan 30, 2020, at 2:03 PM, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
>> A stable private address may be good enough, if it is okay for the device to
>> resume the same address whenever it returns to that location.
> 
> One thing to think about is /why/ the device needs the same address over and over again.  It’s because something wants to contact it.  In order for something to contact it, that something has to have a pointer to it.   Where did it get the pointer?   If that’s a public place, then privacy is somewhat out the window, but nevermind that for the moment. 

The two are unrelated. I may be running a web site, and have an address 
posted on the DNS. That doesn't mean that it should be trivial for folks 
to correlate the information I consume with that machine with the web 
site I host.


-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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