On Feb 28, 2011, at 9:01 PM, Joe Abley wrote:

> By embedding the MAC into the layer-3 address, the concern is that the 
> information becomes accessible Internet-wide.

Given the the toxicity of hotel networks alone, my guess is that it already is 
pretty much available Internet-wide, at least to those who stand to illicitly 
profit by it the most.

;>

And let's not get started on IMEIs, ESNs, and MEIDs, heh.

SMTP headers and various IM client sessions are also quite revealing, for that 
matter - and in near- or real-time, in many cases.

-----------------------------------------------------------------------
Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com>

                The basis of optimism is sheer terror.

                          -- Oscar Wilde


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