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Re: 6to4 security questions

To: Pekka Savola <pekkas@netcore.fi>
Subject: Re: 6to4 security questions
From: Francis Dupont <Francis.Dupont@enst-bretagne.fr>
Date: Wed, 20 Nov 2002 22:16:12 +0100
Cc: v6ops@ops.ietf.org
Delivery-date: Wed, 20 Nov 2002 13:16:31 -0800
Envelope-to: v6ops-data@psg.com
In-reply-to: Your message of Wed, 20 Nov 2002 19:32:23 +0200. <Pine.LNX.4.44.0211201923500.12074-100000@netcore.fi>
Sender: owner-v6ops@ops.ietf.org

A general remark: the reflexion DoS attack was extensively discussed
in the mobile-ip WG mailing list for the Home Agent Option which has
a similar problem...

Francis.Dupont@enst-bretagne.fr

PS: Pekka, I supposed you have followed the discussion (or at least
you know where are the archives). IMHO a summary of proposed solutions
(with pros & cons in the 6to4 context) should be a nice thing.

PPS: I have another concern about 6to4: the business model for running
6to4 relays seems to be flawed (for example there are a very small number
of available 6to4 relays today and *no* ISP guy I asked why he didn't run
one gave an answer different than a loud no). I am afraid that if 6to4
is deployed we'll get two distinct IPv6 Internets: the 6to4 one and
the native one...

References:
- 6to4 security questions
  - From: Pekka Savola <pekkas@netcore.fi>

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