Re: [secdir] Secdir review of draft-ietf-behave-nat64-learn-analysis-03.txt

Alexey Melnikov <alexey.melnikov@isode.com> Wed, 11 April 2012 18:28 UTC

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Date: Wed, 11 Apr 2012 19:28:22 +0100
From: Alexey Melnikov <alexey.melnikov@isode.com>
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Cc: Teemu Savolainen <teemu.savolainen@nokia.com>, IESG <iesg@ietf.org>, Dan Wing <dwing@cisco.com>, secdir@ietf.org
Subject: Re: [secdir] Secdir review of draft-ietf-behave-nat64-learn-analysis-03.txt
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On 11/04/2012 11:00, jouni korhonen wrote:
> Hi,
Hi Jouni,
> Thank you for the review. See my comments inline.
>
> On Apr 10, 2012, at 3:36 PM, Alexey Melnikov wrote:
  [...]
>> One other possible issue that you should consider:
>>
>> 5.1.2.  Analysis and discussion
>>
>>    The CONs of the proposal are listed below:
>>
>> I don't know how much of an issue this is in a real world, but one thought:
>>
>> Can use of a well known IPv4-only FQDN be used for tracking applications/hosts which try to employ this algorithm? Such IPv4-only host might be an attractive target for compromise, if such information is valuable to an attacker.
> I guess it could be possible in theory.. if we assume the
> DNS server hosting the IPv4-only FQDN would be hostile,
Not necessarily, for example it can be compromised.
> which is not a realistic assumption imho.
>