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Re: [DNSOP] New Version Notification for draft-pwouters-powerbind-00.txt (fwd)

Bob Harold <rharolde@umich.edu> Mon, 19 March 2018 18:12 UTC

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References: <alpine.LRH.2.21.1803190813150.31565@bofh.nohats.ca> <20180319163434.GA25738@laperouse.bortzmeyer.org>
From: Bob Harold <rharolde@umich.edu>
Date: Mon, 19 Mar 2018 14:12:38 -0400
Message-ID: <CA+nkc8CWtXOiXCVQf4iyJwBS1K4seLxsJmtZyRyz7yuCn+u8hQ@mail.gmail.com>
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
Cc: Paul Wouters <paul@nohats.ca>, Wes Hardaker <wes@hardakers.net>, dnsop <dnsop@ietf.org>, Trans <trans@ietf.org>, Liang Xia <frank.xialiang@huawei.com>
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Subject: Re: [DNSOP] New Version Notification for draft-pwouters-powerbind-00.txt (fwd)
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On Mon, Mar 19, 2018 at 12:34 PM, Stephane Bortzmeyer <bortzmeyer@nic.fr>
wrote:

> On Mon, Mar 19, 2018 at 08:22:03AM -0400,
>  Paul Wouters <paul@nohats.ca> wrote
>  a message of 57 lines which said:
>
> > We have just submitted a draft aimed at increasing the security of
> > the DNSSEC with respect to the power that parental zones have over
> > their children.
>
> I'm opposed to this idea.
>
> > While the root and TLD zones are asumed to be almost exclusively
> > delegation-only zones,
>
> This is unrelated. You mix two different things, the administrative
> issue and the technical one (every subdomain in its own zone). gouv.fr
> is administratively a delegation from .fr but is in the same zone.
>
> > the root zone operator (or any level higher in the hierarchy than
> > the target victim) could briefly remove the NS and DS records, and
> > create a "legitimate" DNS entry for "www.example.org"
>
>

If the parent simply pointed the NS and DS records to a different version
of the zone, that would accomplish the same effect, even with a
'delegation-only'
flag, so the 'delegation-only' flag really does not solve the problem.

-- 
Bob Harold





> That's the DNS. It is a tree. Protecting childs against the parent is
> a non-goal, or otherwise we should move to some alternative to DNS
> (Namecoin is cool).
>
> > The aim here is to counter the argument that the root key and TLD
> > keys are all powerful and under government control, and can therefor
> > never be trusted.
>
> I've read the draft and still can understand nothing in this sentence.
>
> > 2) Allow the creation of DNSSEC transparency logs
>
> May be mentioning draft-zhang-trans-ct-dnssec would be nice?
>
> >  The DELEGATION_ONLY flag has a strong overlap in functionality with
> >  the Public Suffix List as both signal a formal split of authority
> >  between parent and child.
>
> May be mentioning the defunct DBOUND working group would be a good
> idea?
>
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