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Mac OS X 10.7, still no DHCPv6

>-----Original Message-----
>From: Jeff Kell [mailto:jeff-kell at utc.edu]
>Sent: Monday, February 28, 2011 8:49 AM
>To: Dobbins, Roland
>Cc: nanog group
>Subject: Re: Mac OS X 10.7, still no DHCPv6
>On 2/28/2011 8:44 AM, Dobbins, Roland wrote:
>> On Feb 28, 2011, at 8:40 PM, Jim Gettys wrote:
>>> Again, having a permanently known identifier being broadcast all the time
>is a potentially a serious security/safety issue.
>> We already have this with MAC addresses, unless folks bother to
>periodically change them, do we not?
>Not globally, no.

Can someone explain what exactly the security threat is?

If you are going to say that knowing the MAC address of the end device allows the "bad guy" to know what type of equipment you have and as such to attempt known compromises for said equipment, then please just don't reply. :)

- Brian