Re: [IPv6] [v6ops] [OPSEC] Why folks are blocking IPv6 extension headers? (Episode 1000 and counting) (Linux DoS)

Fernando Gont <fgont@si6networks.com> Thu, 25 May 2023 00:47 UTC

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Date: Thu, 25 May 2023 02:46:59 +0200
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To: Brian E Carpenter <brian.e.carpenter@gmail.com>, Andrew Campling <andrew.campling@419.consulting>, Fernando Gont <fernando@gont.com.ar>
Cc: IPv6 Operations <v6ops@ietf.org>, 6man <ipv6@ietf.org>, "opsec@ietf.org" <opsec@ietf.org>
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From: Fernando Gont <fgont@si6networks.com>
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Subject: Re: [IPv6] [v6ops] [OPSEC] Why folks are blocking IPv6 extension headers? (Episode 1000 and counting) (Linux DoS)
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Hi, Brian,

On 23/5/23 00:41, Brian E Carpenter wrote:
[...]
> 
> That depends where you choose to apply the zero trust model. As Steve 
> Bellovin argued many years ago in his distributed firewalls paper, 
> distributing the trust model to the end systems is best, because you no 
> longer have to trust any intermediate systems.

Given the amount of things that get connected to the Net (smart bulbs, 
refrigerators, etc.) -- and that will super-likely never receive 
security updates, you may have to rely on your own network.

For instance, I wouldn't have my smart TV "defend itself".

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494