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Re: [perpass] Fwd: New Version Notification for draft-barnes-pervasive-problem-00.txt

Stephen Farrell <stephen.farrell@cs.tcd.ie> Wed, 08 January 2014 11:32 UTC

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Date: Wed, 08 Jan 2014 11:32:07 +0000
From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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To: Eliot Lear <lear@cisco.com>, Stefan Winter <stefan.winter@restena.lu>, perpass@ietf.org
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Subject: Re: [perpass] Fwd: New Version Notification for draft-barnes-pervasive-problem-00.txt
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On 01/08/2014 06:59 AM, Eliot Lear wrote:
> 
> On 1/8/14 7:52 AM, Stefan Winter wrote:
> 
>> In short: MAC addresses are NOT necessarily local to the LAN; if they
>> leak beyond, privacy is at risk. The LAN may be IEEE's domain; protocols
>> that transport information about MAC addresses on the layers above are
>> most certainly IETF work.
>>
>>
> 
> Indeed.  Mac addresses are also found in location registrations for some
> services.

And even, horribly, in the DNS [1] - which is one of
those "better to document than ignore" things.

S.

[1] http://tools.ietf.org/html/rfc7043

> 
> Eliot
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>

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