Re: [OT] /etc/machine-id "must not be exposed in untrusted environments"

To: debian-devel@lists.debian.org
Subject: Re: [OT] /etc/machine-id "must not be exposed in untrusted environments"
From: Russ Allbery <rra@debian.org>
Date: Fri, 09 Aug 2019 12:12:44 -0700
Message-id: <[🔎] 87r25ukv9v.fsf@hope.eyrie.org>
In-reply-to: <[🔎] 20190809161713.lrj5g5nc5mgdm4pf@basil.wdw> (Marvin Renich's message of "Fri, 9 Aug 2019 12:17:13 -0400")
References: <[🔎] 20190808192028.vu2hwb7rmt7eiiw2@basil.wdw> <[🔎] 20190808223636.GD5892@espresso.pseudorandom.co.uk> <[🔎] 20190809161713.lrj5g5nc5mgdm4pf@basil.wdw>

Marvin Renich <mrvn@renich.org> writes:

> I don't get this at all.  Has there ever been a routine, best-practice
> of having a machine that frequently changed its IP address to prevent
> operators of other machines on the net from "fingerprinting"?  (I'm not
> talking about intentional use of an onion router.)

Yes, it's built into the IPv6 protocol.  See RFC 4941.

-- 
Russ Allbery (rra@debian.org)               <http://www.eyrie.org/~eagle/>

Reply to:

References:
- [OT] /etc/machine-id "must not be exposed in untrusted environments"
  - From: Marvin Renich <mrvn@renich.org>
- Re: [OT] /etc/machine-id "must not be exposed in untrusted environments"
  - From: Simon McVittie <smcv@debian.org>
- Re: [OT] /etc/machine-id "must not be exposed in untrusted environments"
  - From: Marvin Renich <mrvn@renich.org>

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