Re: [Hipsec] Suresh Krishnan's Discuss on draft-ietf-hip-dex-13: (with DISCUSS)

Suresh Krishnan <Suresh@kaloom.com> Thu, 05 March 2020 19:00 UTC

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From: Suresh Krishnan <Suresh@kaloom.com>
To: Robert Moskowitz <rgm@labs.htt-consult.com>
CC: The IESG <iesg@ietf.org>, "draft-ietf-hip-dex@ietf.org" <draft-ietf-hip-dex@ietf.org>, "j.ahrenholz@tempered.io" <j.ahrenholz@tempered.io>, "hip-chairs@ietf.org" <hip-chairs@ietf.org>, Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>, "hipsec@ietf.org" <hipsec@ietf.org>
Thread-Topic: Suresh Krishnan's Discuss on draft-ietf-hip-dex-13: (with DISCUSS)
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Date: Thu, 5 Mar 2020 19:00:22 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/hipsec/KE0_0wOdab66-jAOh3haJyOUUaA>
Subject: Re: [Hipsec] Suresh Krishnan's Discuss on draft-ietf-hip-dex-13: (with DISCUSS)
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Hi Bob,
  This text works for me. I will clear as soon as the new revision hits.

Regards
Suresh

> On Mar 5, 2020, at 11:04 AM, Robert Moskowitz <rgm@labs.htt-consult.com> wrote:
> 
> Here is the text I put together for revising sec 5.4 (see below).
> 
> On 3/3/20 11:47 PM, Suresh Krishnan via Datatracker wrote:
>> Suresh Krishnan has entered the following ballot position for
>> draft-ietf-hip-dex-13: Discuss
>> 
>> When responding, please keep the subject line intact and reply to all
>> email addresses included in the To and CC lines. (Feel free to cut this
>> introductory paragraph, however.)
>> 
>> 
>> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
>> for more information about IESG DISCUSS and COMMENT positions.
>> 
>> 
>> The document, along with other ballot positions, can be found here:
>> https://datatracker.ietf.org/doc/draft-ietf-hip-dex/
>> 
>> 
>> 
>> ----------------------------------------------------------------------
>> DISCUSS:
>> ----------------------------------------------------------------------
>> 
>> This should be pretty straightforward to resolve.
>> 
>> * Section 5.4.:
>> 
>> The ICMPv6 Parameter Problem messages to be sent need a Code field to be set in
>> addition to the Pointer. What Code should be used in this message? Please
>> specify this.
>> 
>> 
>> 
>> 
>> 
> 
> 5.4.  ICMP Messages
> 
>    When a HIP implementation detects a problem with an incoming packet,
>    and it either cannot determine the identity of the sender of the
>    packet or does not have any existing HIP association with the sender
>    of the packet, it MAY respond with an ICMP packet.  Any such reply
>    MUST be rate-limited as described in [RFC4443].  In most cases, the
>    ICMP packet has the Parameter Problem type (12 for ICMPv4, 4 for
>    ICMPv6) and Code of 0.  The Pointer field pointing to the field that
>    caused the ICMP message to be generated, for example to the first 8
>    bytes of a UDP payload for "SPI is Unknown".  The problem cases
>    specified in Section 5.4. of [RFC7401] also apply to HIP DEX.
>