Re: [IPsec] AD review of draft-ietf-ipsecme-tcp-encaps

Tommy Pauly <tpauly@apple.com> Sun, 12 March 2017 19:11 UTC

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From: Tommy Pauly <tpauly@apple.com>
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Date: Sun, 12 Mar 2017 12:11:46 -0700
In-reply-to: <CAHbuEH7ToRBj7nuoRiSdwTG6mo7=1MMezFXjrCbF_XJZg1yKcA@mail.gmail.com>
To: Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>
References: <CAHbuEH5jQ6nEDAPuBnGG7xE812Wx8rnTCzXND7zvrx7pk42u_Q@mail.gmail.com> <25B4F448-EB83-4CE6-8714-38AC0A98AA9A@apple.com> <CAHbuEH7ToRBj7nuoRiSdwTG6mo7=1MMezFXjrCbF_XJZg1yKcA@mail.gmail.com>
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Subject: Re: [IPsec] AD review of draft-ietf-ipsecme-tcp-encaps
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Hi Kathleen,

I've just posted a new version to fix some minor nits and add a reference for the SHA-1 digest used for NAT detection:
https://www.ietf.org/id/draft-ietf-ipsecme-tcp-encaps-09.txt

>From my perspective, I think starting a IETF last call now make sense.

Thanks!
Tommy

> On Mar 9, 2017, at 10:48 AM, Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com> wrote:
> 
> On Thu, Mar 9, 2017 at 12:47 PM, Tommy Pauly <tpauly@apple.com <mailto:tpauly@apple.com>> wrote:
>> Hi Kathleen,
>> 
>> Yes, this is referring to how the existing NAT detection works in IKEv2:
>> 
>> https://tools.ietf.org/html/rfc7296 <https://tools.ietf.org/html/rfc7296>
>> 
>> Section 2.23. NAT Traversal
>> 
>>   o  The data associated with the NAT_DETECTION_SOURCE_IP notification
>>      is a SHA-1 digest of the SPIs (in the order they appear in the
>>      header), IP address, and port from which this packet was sent.
>> 
>> We can add a pointer to the section of the RFC.
> 
> Great.  Please let me know when that is done and I can start IETF last
> call.  Does the WG want me to start that right away or to wait until
> after Chicago?  I'm inclined to start it right away and have it on the
> first telechat after.
> 
> Thanks,
> Kathleen
> 
>> 
>> Thanks,
>> Tommy
>> 
>>> On Mar 9, 2017, at 9:39 AM, Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com> wrote:
>>> 
>>> Hello,
>>> 
>>> Thank you for your work on draft-ietf-ipsecme-tcp-encaps.  It's a well
>>> written draft and I just have one question.
>>> 
>>> Section 7: Why is SHA-1 used?  If this is a result of the protocol and
>>> prior RFCs, please include a reference. And an explanation on list
>>> would be helpful (pointer is fine if this was already discussed.
>>> 
>>> 
>>> 
>>> --
>>> 
>>> Best regards,
>>> Kathleen
>>> 
>>> _______________________________________________
>>> IPsec mailing list
>>> IPsec@ietf.org
>>> https://www.ietf.org/mailman/listinfo/ipsec
>> 
> 
> 
> 
> -- 
> 
> Best regards,
> Kathleen