Re: [DNSOP] Priming query transport selection
Olafur Gudmundsson <ogud@ogud.com> Wed, 13 January 2010 21:21 UTC
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Date: Wed, 13 Jan 2010 16:05:49 -0500
To: Alex Bligh <alex@alex.org.uk>, dnsop@ietf.org
From: Olafur Gudmundsson <ogud@ogud.com>
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Subject: Re: [DNSOP] Priming query transport selection
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At 15:01 13/01/2010, Alex Bligh wrote: >--On 13 January 2010 13:19:30 -0500 Olafur Gudmundsson <ogud@ogud.com> wrote: > >>Going forward I think this is a bad recommendation. I would like to >>propose that the document take the plunge of recommending that >>modern DNSSEC capable resolvers perform the priming query over TCP. >... >>By making this change section 2.4 can be dropped, the one >>on not asking for signed answers. > >Not sure I agree. > >I think there is a good case to be made that IF the DO bit is set, >THEN the response SHOULD be made over TCP, but you are asking >that even non DNSSEC capable resolvers which would query with >DO clear make queries over TCP; in these instances the response >packet would be much smaller. DNSSEC compliance requires ENDS0 see RFC4035 section 4.1 and 3. Why not ask for signatures ? Paranoid Validating Resolver will need them to make sure the glue is not forged in particular if the answer over the wire different from what the validator was bootstrapped with. With DNSSEC validation you can ignore what section answer came from if you can create a trust chain to the data. Olafur
- [DNSOP] Priming query transport selection Olafur Gudmundsson
- Re: [DNSOP] Priming query transport selection Jim Reid
- Re: [DNSOP] Priming query transport selection Alex Bligh
- Re: [DNSOP] Priming query transport selection Alex Bligh
- Re: [DNSOP] Priming query transport selection Jim Reid
- Re: [DNSOP] Priming query transport selection Alex Bligh
- Re: [DNSOP] Priming query transport selection Alfred Hönes
- Re: [DNSOP] Priming query transport selection Jim Reid
- Re: [DNSOP] Priming query transport selection Olafur Gudmundsson
- Re: [DNSOP] Priming query transport selection Alex Bligh
- Re: [DNSOP] Priming query transport selection Edward Lewis
- Re: [DNSOP] Priming query transport selection Alex Bligh
- Re: [DNSOP] Priming query transport selection Jim Reid
- Re: [DNSOP] Priming query transport selection Olafur Gudmundsson
- Re: [DNSOP] Priming query transport selection Jaap Akkerhuis
- Re: [DNSOP] Priming query transport selection Olafur Gudmundsson
- Re: [DNSOP] Priming query transport selection Jaap Akkerhuis
- Re: [DNSOP] Priming query transport selection Nicholas Weaver
- Re: [DNSOP] Priming query transport selection Ray.Bellis
- [DNSOP] RSA cracking Jim Reid
- Re: [DNSOP] Priming query transport selection Patrik Fältström
- Re: [DNSOP] Priming query transport selection bmanning
- Re: [DNSOP] Priming query transport selection Nicholas Weaver
- Re: [DNSOP] Priming query transport selection Patrik Fältström
- Re: [DNSOP] Priming query transport selection Sebastian Castro
- Re: [DNSOP] Priming query transport selection Ray.Bellis
- Re: [DNSOP] Priming query transport selection Simon Leinen
- Re: [DNSOP] Priming query transport selection Florian Weimer
- Re: [DNSOP] Priming query transport selection Jim Reid
- Re: [DNSOP] Priming query transport selection Florian Weimer
- Re: [DNSOP] Priming query transport selection George Barwood
- Re: [DNSOP] Priming query transport selection George Barwood
- [DNSOP] signing glue and additional data Jim Reid
- Re: [DNSOP] signing glue and additional data George Barwood
- Re: [DNSOP] Priming query transport selection Sebastian Castro
- [DNSOP] on what glue is (was: signing glue and ad… Andrew Sullivan
- Re: [DNSOP] on what glue is (was: signing glue an… Roy Arends
- Re: [DNSOP] [dnsext] Re: Priming query transport … Danny Mayer
- Re: [DNSOP] [dnsext] Re: Priming query transport … Alfred Hönes
- Re: [DNSOP] [dnsext] Re: Priming query transport … Olafur Gudmundsson