Comcast's 6to4 Relays

Fred Baker fred at cisco.com
Tue Apr 19 20:57:37 CDT 2011


On Apr 19, 2011, at 5:52 PM, Butch Evans wrote:

>> +1. 6to4 is very bad and should be off my default, but unfortunately many
>> end users unwittingly have it on and this may provide them some relief.
> 
> So am I to understand that services like Toredo client (which is what I
> PRESUME is being discussed) is on automatically in some Windows desktop
> systems? 

No. 6to4 is RFC 3056/3068, and Teredo is a proprietary Microsoft technology documented in RFC 4380 with its updates. John and Cameron are talking about 6to4.



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