Default security functions on an IPv6 CPE

Fernando Gont fernando at
Tue May 31 14:39:44 CEST 2011

On 05/31/2011 07:59 AM, Tim Chown wrote:
> When I last checked Windows7 behaviour it would by default generate
> a) a permanent address with a randomised host part, persistent across
> reboots on the same prefix.  One benefit if you put this address in
> the DNS is it would not change with a change of MAC address (e.g.
> hardware change).

And it's nice to have for logging purposes.

> b) a temporary privacy address, which changes across reboots.  Unlike
> XP, the system does not appear to generate new privacy addresses on a
> daily basis

What's the address selection policy for these two? i.e., is the
temporary address preferred over the "randomized and persistent" address?

Fernando Gont
e-mail: fernando at || fgont at
PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1

More information about the ipv6-ops mailing list