6to4 status (again)

Brzozowski, John Jason jjmb at jjmb.com
Thu Feb 28 13:19:24 CET 2013


Max I see quite a few 6to4 hosts that appear to be behind a home router ie
the router itself is enabling 6to4.  As long as the outside interface is
unique 6to4 will work if I am not mistaken.


On Wed, Feb 27, 2013 at 5:07 PM, Max Tulyev <maxtul at netassist.ua> wrote:

> On 27.02.13 23:57, Dmitry Anipko wrote:
>
>> I see a lot of BitTorrent traffic from Win7/WinXP preferring
>>>> 6to4<->teredo.
>>>>
>>> My understanding is that some peer to peer apps are explicitly using
>> Teredo, because it gives them some amount of NAT traversal "for free".
>>
>
> Yes, it's possible from Teredo side. But why 6to4 which can't be behind a
> NAT?
>
>
>  What exactly Win7/Win8 software prefer v4<->v4?
>>>>
>>> Chris's statement about preference is correct for apps which do not
>> explicitly specify, what interface/address they want to use - e.g. user
>> doing web browsing and the browser using mainstream Windows networking APIs
>> to make a connection.
>>
>
>  - i.e. Internet Explorer only?
>
>
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