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Re: [dhcwg] Security review of draft-ietf-dhc-sedhcpv6-08.txt

Brian Haberman <brian@innovationslab.net> Mon, 27 July 2015 19:16 UTC

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To: 神明達哉 <jinmei@wide.ad.jp>
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From: Brian Haberman <brian@innovationslab.net>
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Date: Mon, 27 Jul 2015 15:16:43 -0400
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Cc: "dhcwg@ietf.org" <dhcwg@ietf.org>, Russ Housley <housley@vigilsec.com>
Subject: Re: [dhcwg] Security review of draft-ietf-dhc-sedhcpv6-08.txt
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On 7/27/15 2:24 PM, 神明達哉 wrote:
>>      Russ Housley has reviewed the sedhcp draft from a security
>> perspective.  His comments are below.  I have included him on the
>> distribution so that he can engage in the discussion.
> 
>> ------
> 
>> Section 4 says that TOFU is an option.  I like leap-of-faith mechanisms
>> in some situations, but I am not convinced that this is one of them.
> 
> Specifically what are you referring to by "this"?  The paragraph
> beginning with "TOFU can also be used" and talking about hijack
> prevention?

I interpret the "this" to be referring to the DHCP client/server
interaction.

Regards,
Brian

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