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Re: [secdir] Secdir last call review of draft-ietf-opsec-ipv6-eh-filtering-06

Brian E Carpenter <brian.e.carpenter@gmail.com> Wed, 05 December 2018 03:07 UTC

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To: Nancy Cam-Winget <ncamwing@cisco.com>, secdir@ietf.org
Cc: opsec@ietf.org, ietf@ietf.org, draft-ietf-opsec-ipv6-eh-filtering.all@ietf.org
References: <154397698424.4865.5720014731238210447@ietfa.amsl.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Message-ID: <80d710f4-8c77-66f4-6837-e93cbb57a008@gmail.com>
Date: Wed, 5 Dec 2018 16:07:13 +1300
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Archived-At: <https://mailarchive.ietf.org/arch/msg/secdir/8aiiEZ3sfNhQGH4l6EwVKza5JLQ>
Subject: Re: [secdir] Secdir last call review of draft-ietf-opsec-ipv6-eh-filtering-06
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On 2018-12-05 15:29, Nancy Cam-Winget wrote:

<snip>

> Section 3.1: Not sure this is correct:  “[RFC7045] identifies
>    which of the currently assigned Internet Protocol numbers identify
>    IPv6 EHs vs. upper-layer protocols. ”
> Reading RFC7045: it seems to be focused on how to process the extensions
> appropriately not sure it really does the identification of protocol layering
> or distinction?

It set up the IANA registry that makes the distinction:
https://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xhtml#extension-header

There is no way except looking in that registry to distinguish an EH number
from a protocol number.

    Brian

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