Re: [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt
Florian Weimer <fw@deneb.enyo.de> Tue, 24 July 2018 07:10 UTC
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From: Florian Weimer <fw@deneb.enyo.de>
To: "Wessels, Duane" <dwessels@verisign.com>
Cc: dnsop <dnsop@ietf.org>
References: <4DCC5A51-1AB0-47B6-92B5-79B6894F9A9C@verisign.com> <87h8kp7sqf.fsf@mid.deneb.enyo.de> <445C5C76-06B3-4F0B-BB7E-FD0254E26019@verisign.com>
Date: Tue, 24 Jul 2018 09:06:22 +0200
In-Reply-To: <445C5C76-06B3-4F0B-BB7E-FD0254E26019@verisign.com> (Duane Wessels's message of "Mon, 23 Jul 2018 20:40:00 +0000")
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/I4kPCKQkUZU0QskCXBI5l-J1024>
Subject: Re: [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt
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* Duane Wessels: > I wouldn't be opposed to this in principle -- say an RR count field. That doesn't really bound the amount of transferred data, I think, because RR size can still vary widely. I believe something that counts the hashed bytes would be more helpful and about as easy to implement. > For this to be useful in an unsigned zone then all you need is for the > ZONEMD (with RR count field) to be received early in the AXFR. If it > is at the end then this field doesn't help. > > For a signed zone, we'd have to think about whether the ZONEMD record > should be DNSSEC validated before trusting the RR count field. If yes > then you need the signatures and NSEC* records too, so it becomes sort > of complex when you'd be able to trust and check the RR count. Could you query it before the transfer. > But it seems to me like this is better suited to be a feature of AXFR > in general, rather than ZONEMD. It depends on what you want to achieve with ZONEMD. If you want to prevent trivial, but potentially persistent DoS attacks with custom root servers, you need it in ZONEMD.
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Petr Špaček
- Re: [DNSOP] New Version Notification for draft-we… Petr Špaček
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Hugo Salgado-Hernández
- Re: [DNSOP] New Version Notification for draft-we… Shane Kerr
- Re: [DNSOP] New Version Notification for draft-we… Paul Hoffman
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… George Michaelson
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… George Michaelson
- Re: [DNSOP] New Version Notification for draft-we… George Michaelson
- Re: [DNSOP] New Version Notification for draft-we… Petr Špaček
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Mukund Sivaraman
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Mukund Sivaraman
- Re: [DNSOP] New Version Notification for draft-we… Mukund Sivaraman
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Petr Špaček
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Olafur Gudmundsson
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… George Michaelson
- Re: [DNSOP] New Version Notification for draft-we… Joe Abley
- Re: [DNSOP] New Version Notification for draft-we… Olafur Gudmundsson
- Re: [DNSOP] New Version Notification for draft-we… George Michaelson
- Re: [DNSOP] New Version Notification for draft-we… Olafur Gudmundsson
- [DNSOP] New Version Notification for draft-wessel… Weinberg, Matt
- Re: [DNSOP] New Version Notification for draft-we… 神明達哉
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Shane Kerr
- Re: [DNSOP] New Version Notification for draft-we… Mukund Sivaraman
- Re: [DNSOP] New Version Notification for draft-we… 神明達哉
- Re: [DNSOP] New Version Notification for draft-we… Mukund Sivaraman
- Re: [DNSOP] New Version Notification for draft-we… Warren Kumari
- Re: [DNSOP] New Version Notification for draft-we… Roy Arends
- Re: [DNSOP] New Version Notification for draft-we… Jaap Akkerhuis
- Re: [DNSOP] New Version Notification for draft-we… Florian Weimer
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Paul Hoffman
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Florian Weimer
- Re: [DNSOP] New Version Notification for draft-we… Paul Vixie
- Re: [DNSOP] New Version Notification for draft-we… John Levine
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… Paul Wouters
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… Paul Hoffman
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… Paul Vixie
- Re: [DNSOP] New Version Notification for draft-we… Paul Hoffman
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Davey Song
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Steve Crocker
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Steve Crocker
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Davey Song
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Davey Song
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Evan Hunt
- Re: [DNSOP] New Version Notification for draft-we… Davey Song
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Evan Hunt
- Re: [DNSOP] New Version Notification for draft-we… Tony Finch
- Re: [DNSOP] New Version Notification for draft-we… Jim Reid
- Re: [DNSOP] New Version Notification for draft-we… Shumon Huque
- Re: [DNSOP] New Version Notification for draft-we… Bob Harold
- Re: [DNSOP] New Version Notification for draft-we… John Levine
- Re: [DNSOP] New Version Notification for draft-we… 神明達哉
- Re: [DNSOP] New Version Notification for draft-we… Warren Kumari
- Re: [DNSOP] New Version Notification for draft-we… 神明達哉
- Re: [DNSOP] New Version Notification for draft-we… Tim Wicinski
- Re: [DNSOP] New Version Notification for draft-we… Florian Weimer
- Re: [DNSOP] New Version Notification for draft-we… John R Levine
- Re: [DNSOP] New Version Notification for draft-we… Florian Weimer
- Re: [DNSOP] New Version Notification for draft-we… Paul Wouters
- Re: [DNSOP] New Version Notification for draft-we… Florian Weimer
- Re: [DNSOP] New Version Notification for draft-we… John R Levine
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… tjw ietf
- Re: [DNSOP] New Version Notification for draft-we… John Levine
- Re: [DNSOP] New Version Notification for draft-we… John R Levine
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… John Levine
- Re: [DNSOP] New Version Notification for draft-we… Steve Crocker
- Re: [DNSOP] New Version Notification for draft-we… Joe Abley
- Re: [DNSOP] New Version Notification for draft-we… Steve Crocker
- Re: [DNSOP] New Version Notification for draft-we… Joe Abley
- Re: [DNSOP] New Version Notification for draft-we… Steve Crocker
- Re: [DNSOP] New Version Notification for draft-we… Evan Hunt
- Re: [DNSOP] New Version Notification for draft-we… Florian Weimer
- Re: [DNSOP] New Version Notification for draft-we… Joe Abley
- Re: [DNSOP] New Version Notification for draft-we… John R Levine
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… Tony Finch
- Re: [DNSOP] New Version Notification for draft-we… Warren Kumari
- Re: [DNSOP] New Version Notification for draft-we… John R Levine
- Re: [DNSOP] New Version Notification for draft-we… Evan Hunt
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Mark Andrews
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Wessels, Duane
- Re: [DNSOP] New Version Notification for draft-we… Paul Hoffman
- Re: [DNSOP] New Version Notification for draft-we… Evan Hunt
- Re: [DNSOP] New Version Notification for draft-we… Paul Hoffman
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý
- Re: [DNSOP] New Version Notification for draft-we… Ondřej Surý