Mailinglist Archive: opensuse-factory (396 mails)

[Nelson Marques <nmo.marques@xxxxxxxxx>]

I know this is a bit off topic, but here's something:

http://isoc.org/wp/worldipv6day/

NM

On Sun, Jan 16, 2011 at 4:34 PM, Greg R <corwin@xxxxxxxx> wrote:
> On Fri, 14 Jan 2011 05:14:08 -0800, Per Jessen <per@xxxxxxxxxxxx> wrote:
>
> > Disclaimer: I probably don't know enough about IPv6 to really comment
> > here, but nevertheless -
> >
> > I can see this issue might be relevant for people with 6rd or 6to4
> > tunnels, but apart from free.fr, it seems that neither one is being
> > mass-deployed?
>
> The privacy concern is IPv6 automatic configuration. There are two methods
> in the RFCs for it. One derives your local-part by doing some well known,
> and most importantly reverseable, computations on your MAC address. The
> other method (RFC3041) just generates a 64-bit random number. The former
> renders predictable addresses, which is handy for address-based ACLs on
> devices. The later hides the hardware, and if address-based ACLs are in use
> DHCPv6 will need to be used to assign a static address. Windows XP and 2003
> at least use the Random generation method, and I'm pretty sure Vista/Win7 do
> as well since Microsoft was the author of RFC 3041.
>
> That said, if your IPv6 address is getting scrubbed by a v6 NAT gateway or
> you're getting an assignment from DHCPv6 it doesn't matter.
>
> --
> Law of Probable Dispersal:
>     Whatever it is that hits the fan will not be evenly distributed.
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nelson marques
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