Re: [DNSOP] [Ext] About key tags
Peter Thomassen <peter@desec.io> Tue, 27 February 2024 18:52 UTC
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Date: Tue, 27 Feb 2024 13:52:22 -0500
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To: Jim Reid <jim@rfc1035.com>, Joe Abley <jabley@strandkip.nl>
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From: Peter Thomassen <peter@desec.io>
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Subject: Re: [DNSOP] [Ext] About key tags
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On 2/16/24 17:19, Jim Reid wrote: >> If a zone's signatures and keys are constructed and published in such a way that it causes indigestion in validators, and as a consequence validators fail to return responses for data in that zone, that's a self-inflicted problem and the zone administrator surely has every incentive to fix the problem. If the tools the zone administrator is using make the problem hard to make, then so much the better. > > If validators can also make this problem hard to make, that’s so much the better too. That should give signers a strong incentive to fix their self-inflicted problem and stop hurting validating resolvers. With (some) validators returning SERVFAIL when encountering a keytag collision, any operator adding a DNSKEY (e.g., for rollover) will, in roughly 2^-16 of cases, break their zone without notice. It's not clear to me how one would characterize such validator policy as "mak[ing] this problem hard to make". It rather seems like inviting instability, then telling the signer "well, you knew...! Or should have, at least." I don't see in what way that's better than what we have with the current fixes, which successfully address the problem and (AFAICS) don't need to be touched again. Best, Peter
- [DNSOP] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Arnold DECHAMPS
- Re: [DNSOP] About key tags Mark Andrews
- Re: [DNSOP] About key tags Wellington, Brian
- Re: [DNSOP] [Ext] Re: About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Petr Špaček
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Joe Abley
- Re: [DNSOP] [Ext] About key tags Petr Špaček
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Havard Eidnes
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Yorgos Thessalonikefs
- Re: [DNSOP] [Ext] About key tags Jim Reid
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Ralf Weber
- Re: [DNSOP] [Ext] About key tags Jim Reid
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Ralf Weber
- Re: [DNSOP] [Ext] About key tags Petr Špaček
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags Donald Eastlake
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Petr Špaček
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags Wellington, Brian
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags Wellington, Brian
- Re: [DNSOP] [Ext] About key tags Ralf Weber
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Ralf Weber
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags Ralf Weber
- Re: [DNSOP] [Ext] About key tags Bob Harold
- Re: [DNSOP] [Ext] About key tags Ted Lemon
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Jim Reid
- Re: [DNSOP] [Ext] About key tags libor.peltan
- Re: [DNSOP] [Ext] Re: About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Joe Abley
- Re: [DNSOP] [Ext] About key tags Petr Špaček
- Re: [DNSOP] [Ext] About key tags Jim Reid
- Re: [DNSOP] [Ext] About key tags Jim Reid
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Peter Thomassen
- Re: [DNSOP] [Ext] About key tags Peter Thomassen
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags John Levine
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags John R Levine
- Re: [DNSOP] [Ext] About key tags and sensible lim… John Levine
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags libor.peltan
- Re: [DNSOP] [Ext] About key tags John Levine
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags and their infreq… John R Levine
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags and collision nu… John R Levine
- Re: [DNSOP] [Ext] About key tags Paul Hoffman
- Re: [DNSOP] [Ext] About key tags and collision nu… Mark Andrews
- Re: [DNSOP] [Ext] About key tags Ralf Weber
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Joe Abley
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Ted Lemon
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags John R Levine
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags Lanlan Pan
- Re: [DNSOP] [Ext] About key tags Paul Wouters
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Arnold DECHAMPS
- Re: [DNSOP] [Ext] About key tags John R Levine
- Re: [DNSOP] [Ext] About key tags Joe Abley
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags John R Levine
- Re: [DNSOP] [Ext] About key tags Bob Harold
- Re: [DNSOP] [Ext] About key tags Mark Andrews
- Re: [DNSOP] [Ext] About key tags John R Levine
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Peter Thomassen
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Peter Thomassen
- Re: [DNSOP] [Ext] About key tags John R Levine
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags John Levine
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] Nothing more useful to say Abou… John Levine
- Re: [DNSOP] [Ext] About key tags John Levine
- Re: [DNSOP] [Ext] Nothing more useful to say Abou… Philip Homburg
- Re: [DNSOP] [Ext] Nothing more useful to say Abou… John Levine
- Re: [DNSOP] [Ext] About key tags Dave Lawrence
- Re: [DNSOP] [Ext] About key tags Shumon Huque
- Re: [DNSOP] [Ext] About key tags Philip Homburg
- Re: [DNSOP] [Ext] About key tags Edward Lewis
- Re: [DNSOP] [Ext] About key tags Petr Špaček