Re: [DNSOP] BCP on rrset ordering for round-robin? Also head's up on bind 9.12 bug (sorting rrsets by default)
"Peter van Dijk" <peter.van.dijk@powerdns.com> Sat, 16 June 2018 08:30 UTC
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From: Peter van Dijk <peter.van.dijk@powerdns.com>
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Date: Sat, 16 Jun 2018 10:30:23 +0200
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Subject: Re: [DNSOP] BCP on rrset ordering for round-robin? Also head's up on bind 9.12 bug (sorting rrsets by default)
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On 16 Jun 2018, at 2:14, Shumon Huque wrote: > Yeah, good point about side channels. Let's stick to recommending > randomization! > Unbound has interesting middle ground here: rrset-roundrobin: <yes or no> If yes, Unbound rotates RRSet order in response (the random number is taken from the query ID, for speed and thread safety). Default is no. It rotates, but you cannot predict (easily) by how much. It keeps the implementation simple but mostly avoids (as far as I can judge) the side channel. I do want to point out that the default is ‘no’, suggesting it is getting away with no ‘round robin’ at all in many deployments. Kind regards, -- Peter van Dijk PowerDNS.COM BV - https://www.powerdns.com/
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… 神明達哉
- Re: [DNSOP] BCP on rrset ordering for round-robin… Paul Vixie
- Re: [DNSOP] ?==?utf-8?q? BCP on rrset ordering fo… Petr Spacek
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Darcy Kevin (FCA)
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Florian Weimer
- Re: [DNSOP] BCP on rrset ordering for round-robin… Paul Vixie
- Re: [DNSOP] BCP on rrset ordering for round-robin… Andrew Sullivan
- Re: [DNSOP] BCP on rrset ordering for round-robin… Florian Weimer
- Re: [DNSOP] DoH interaction, sortlist Re: BCP on … Philip Homburg
- Re: [DNSOP] BCP on rrset ordering for round-robin… Peter van Dijk
- [DNSOP] DoH interaction, sortlist Re: BCP on rrse… bert hubert
- Re: [DNSOP] BCP on rrset ordering for round-robin… Erik Nygren
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Colm MacCárthaigh
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Mark Andrews
- Re: [DNSOP] BCP on rrset ordering for round-robin… Colm MacCárthaigh
- Re: [DNSOP] BCP on rrset ordering for round-robin… Paul Vixie
- Re: [DNSOP] BCP on rrset ordering for round-robin… Mukund Sivaraman
- Re: [DNSOP] BCP on rrset ordering for round-robin… Erik Nygren
- Re: [DNSOP] BCP on rrset ordering for round-robin… Mukund Sivaraman
- Re: [DNSOP] BCP on rrset ordering for round-robin… Jared Mauch
- Re: [DNSOP] BCP on rrset ordering for round-robin… Bob Harold
- Re: [DNSOP] BCP on rrset ordering for round-robin… Shumon Huque
- Re: [DNSOP] BCP on rrset ordering for round-robin… Peter van Dijk
- Re: [DNSOP] BCP on rrset ordering for round-robin… Paul Vixie
- Re: [DNSOP] BCP on rrset ordering for round-robin… Andrew Sullivan
- Re: [DNSOP] BCP on rrset ordering for round-robin… Tony Finch
- Re: [DNSOP] BCP on rrset ordering for round-robin… Jared Mauch
- [DNSOP] BCP on rrset ordering for round-robin? Al… Erik Nygren