6to4 status (again)
mike at mikejones.in
Thu Feb 28 04:45:44 CET 2013
On 28 February 2013 02:27, Keith Moore <moore at network-heretics.com> wrote:
> Sent from my iPhone
> On Feb 27, 2013, at 7:30 PM, Lorenzo Colitti <lorenzo at google.com> wrote:
> On Thu, Feb 28, 2013 at 5:30 AM, Christopher Palmer
> <Christopher.Palmer at microsoft.com> wrote:
>> 2. The majority of home users don’t have routers that support UPnP
>> management of NAT/FW openings, at least from our telemetry.
> In the routers I've seen, it is off by default. But I'm not sure what this
> has to do with 6to4, since last I knew UPnP didn't support opening arbitrary
> IP protocol types. Or did it get extended?
I believe the subject drifted on to teredo.
However uPnP isn't needed for teredo either if I understand it
correctly? The specs say something about NAT traversal, and the way it
uses UDP should pass unaltered through many of the normal residential
NAT rules* i'm familiar with. I don't have any experience to confirm
*UDP maps the whole port, and tries to keep the port the same when possible.
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