[138103] in North American Network Operators' Group
Re: Mac OS X 10.7, still no DHCPv6
daemon@ATHENA.MIT.EDU (Joe Abley)
Mon Feb 28 09:01:34 2011
From: Joe Abley <jabley@hopcount.ca>
In-Reply-To: <35826B01-F1D5-48CF-809E-FEC7329D1231@arbor.net>
Date: Mon, 28 Feb 2011 09:01:28 -0500
To: "Dobbins, Roland" <rdobbins@arbor.net>
X-SA-Exim-Mail-From: jabley@hopcount.ca
Cc: nanog group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 2011-02-28, at 08:44, Dobbins, Roland wrote:
> On Feb 28, 2011, at 8:40 PM, Jim Gettys wrote:
>=20
>> Again, having a permanently known identifier being broadcast all the =
time is a potentially a serious security/safety issue.=20
>=20
> We already have this with MAC addresses, unless folks bother to =
periodically change them, do we not?
Only between hosts that are in the same layer-2 broadcast domain.
By embedding the MAC into the layer-3 address, the concern is that the =
information becomes accessible Internet-wide.
Joe
