Re: [DNSOP] draft-moura-dnsop-negative-cache-loop
Stephane Bortzmeyer <bortzmeyer@nic.fr> Fri, 12 November 2021 14:18 UTC
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Date: Fri, 12 Nov 2021 15:17:49 +0100
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: "Giovane C. M. Moura" <giovane.moura=40sidn.nl@dmarc.ietf.org>
Cc: IETF DNSOP WG <DNSOP@ietf.org>
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Subject: Re: [DNSOP] draft-moura-dnsop-negative-cache-loop
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On Mon, Nov 08, 2021 at 08:49:03AM +0100, Giovane C. M. Moura <giovane.moura=40sidn.nl@dmarc.ietf.org> wrote a message of 58 lines which said: > We wrote a new draft that adds a new requirement to existing solutions: > recursive resolvers must detect and negative cache problematic (loop) > records. I basically agree with Petr Špaček and Ralf Weber. Resource limiting is: * more general (it also addresses infinite recursion - CVE-2014-8500, CVE-2014-8602, CVE-2014-8601, not just loops), * already implemented. So, I'm not sure we need a new RFC.
- [DNSOP] draft-moura-dnsop-negative-cache-loop Giovane C. M. Moura
- Re: [DNSOP] draft-moura-dnsop-negative-cache-loop Petr Špaček
- Re: [DNSOP] draft-moura-dnsop-negative-cache-loop Ralf Weber
- Re: [DNSOP] draft-moura-dnsop-negative-cache-loop Giovane C. M. Moura
- Re: [DNSOP] draft-moura-dnsop-negative-cache-loop Giovane C. M. Moura
- Re: [DNSOP] draft-moura-dnsop-negative-cache-loop Petr Špaček
- Re: [DNSOP] draft-moura-dnsop-negative-cache-loop Stephane Bortzmeyer