IPv6 teredo blackout June 8th

Tore Anderson tore.anderson at redpill-linpro.com
Thu Feb 3 17:04:45 CET 2011

* Erik Kline

> Your recursive resolvers could be configured to be (falsely) 
> authoritative for ipv6.microsoft.com with an empty zone, and then
> they would hand out NXDOMAINs for anything in there.  Would work for
> your local area.

This is a bad idea, at least for 6to4.ipv6.microsoft.com, as Windows
will enable the 6to4 adapter even though it doesn't know the remote
endpoint, and ICS (if enabled) will merrily announce the generated prefix.

So this will only ascertain that 6to4 will be completely defective.

Tore Anderson
Redpill Linpro AS - http://www.redpill-linpro.com/
Tel: +47 21 54 41 27

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