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Re: DNS Cache Dan Kamikaze (Actual Exploit Discussion)
From: Mark Andrews <Mark_Andrews () isc org>
Date: Wed, 16 Jul 2008 11:17:07 +1000


The real problem isn't signing or resigning zones, or even successfully=20
completing the original configuration (although those are not trivial for=20
the average person trying to setup their own dns).  It's the trust=20
anchors.  Until the root is signed, trust anchors are a PITA.  And until=20
the root is signed, why should anyone believe that DNSSEC will achieve=20
wide adoption?

        Well there are a number of ccTLD's that are already signed.
        RIPE sign their part of the reverse space.  ORG is in the
        process of getting signed.  It's happening.

        There are existing solutions to dealing with lack of support
        in the infrastructure zones (includes the root).  You let
        someone you trust collect the trust anchors for you then
        incorporate them on a regular basis.

        We effectively do this everyday with https but for some
        reason people are scared to do the same thing with dns
        despite private parts of the keys never being available to
        the entity doing the certification.  With https the certifying
        authority can spoof any site they certify.

        Mark

Paul Schmehl
If it isn't already obvious,
my opinions are my own and not
those of my employer.
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews () isc org

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