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Re: IESG position on NAT traversal and IPv4/IPv6

Phillip Hallam-Baker <hallam@gmail.com> Mon, 15 November 2010 16:55 UTC

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Date: Mon, 15 Nov 2010 11:55:39 -0500
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Subject: Re: IESG position on NAT traversal and IPv4/IPv6
From: Phillip Hallam-Baker <hallam@gmail.com>
To: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
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Masataka-san

You are incorrect.

Firewalls can be used for many purposes. Authenticated traversal is well
established in the firewall model. There is a copious amount of prior art.


On Mon, Nov 15, 2010 at 7:18 AM, Masataka Ohta <
mohta@necom830.hpcl.titech.ac.jp> wrote:

> Jari Arkko wrote:
>
> > NAT/FW traversal is also important even
> > with IPv6, as you may have a firewall even in IPv6 (or be going through
> > a NAT64).
>
> FYI, traversable firewall is, by definition, broken.
>
>                                                Masataka Ohta
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