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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