Re: [OPSEC] I-D Action: draft-ietf-opsec-v6-21.txt

Ole Troan <otroan@employees.org> Sat, 09 November 2019 21:49 UTC

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From: Ole Troan <otroan@employees.org>
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Date: Sat, 09 Nov 2019 22:49:26 +0100
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References: <DB5FA864-FE44-4B3E-87A1-DFF72623AC8C@gmail.com>
Cc: Gyan Mishra <hayabusagsm@gmail.com>, "opsec@ietf.org" <opsec@ietf.org>
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To: Bob Hinden <bob.hinden@gmail.com>
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Subject: Re: [OPSEC] I-D Action: draft-ietf-opsec-v6-21.txt
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> On 9 Nov 2019, at 22:35, Bob Hinden <bob.hinden@gmail.com> wrote:
> 
>>>>> The hop-by-hop options header, when present in an IPv6 packet, forces
>>>>> all nodes in the path to inspect this header in the original IPv6
>>>>> specification [RFC2460].  This enables denial of service attacks as
>>>>> most, if not all, routers cannot process this kind of packets in
>>>>> hardware but have to 'punt' this packet for software processing.

I believe this statement is far out of date. 
I would recommend getting recent data on this or delete it. 

Cheers 
Ole