Re: New Version Notification for draft-leiba-rfc2119-update-00.txt
Mark Andrews <marka@isc.org> Wed, 10 August 2016 02:15 UTC
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To: John R Levine <johnl@taugh.com>
From: Mark Andrews <marka@isc.org>
References: <20160809232819.1291.qmail@ary.lan> <20160809235853.C8D6650487EC@rock.dv.isc.org> <alpine.OSX.2.11.1608092140330.1678@ary.local>
Subject: Re: New Version Notification for draft-leiba-rfc2119-update-00.txt
In-reply-to: Your message of "09 Aug 2016 21:41:49 -0400." <alpine.OSX.2.11.1608092140330.1678@ary.local>
Date: Wed, 10 Aug 2016 12:15:36 +1000
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In message <alpine.OSX.2.11.1608092140330.1678@ary.local>, "John R Levine" writes: > > RFC2671/RFC6891 has > > > > Z > > Set to zero by senders and ignored by receivers, unless modified > > in a subsequent specification. > > > > which resulted in 2% of deployed nameservers just copying reserved > > bits to the reply or 3% of nameservers not answering because a > > reserved bit is set. > > I suppose, but how many of the people who wrote the broken code would have > paid attention if it said YOU MUST SET THE BIT TO ZERO AND THEN IGNORE IT > YOU MORON. We will never know. "MUST be set to zero by senders and MUST be ignored by receivers, unless modified in a subsequent specification." would have caught those that scan for MUST, SHOULD and MAYs. At the moment we have draft-ietf-dnsop-no-response-issue-03 to try and clean up the mess out there. I'm waiting on Tim for promised feedback before I publish -04. Mark > Regards, > John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY > Please consider the environment before reading this e-mail. -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
- Re: New Version Notification for draft-leiba-rfc2… John C Klensin
- Re: New Version Notification for draft-leiba-rfc2… John R Levine
- Re: New Version Notification for draft-leiba-rfc2… Dave Crocker
- Re: New Version Notification for draft-leiba-rfc2… John Levine
- Re: New Version Notification for draft-leiba-rfc2… Randall Gellens (IETF)
- Re: New Version Notification for draft-leiba-rfc2… Joe Touch
- Re: New Version Notification for draft-leiba-rfc2… Gmail
- Re: New Version Notification for draft-leiba-rfc2… Brian E Carpenter
- Re: New Version Notification for draft-leiba-rfc2… John C Klensin
- Re: New Version Notification for draft-leiba-rfc2… Dave Crocker
- Re: New Version Notification for draft-leiba-rfc2… Pete Resnick
- Re: New Version Notification for draft-leiba-rfc2… Joe Touch
- Re: New Version Notification for draft-leiba-rfc2… Dave Crocker
- Re: New Version Notification for draft-leiba-rfc2… Pete Resnick
- Re: New Version Notification for draft-leiba-rfc2… Julian Reschke
- Re: New Version Notification for draft-leiba-rfc2… Michael Richardson
- Re: New Version Notification for draft-leiba-rfc2… Julian Reschke
- Re: New Version Notification for draft-leiba-rfc2… Ted Lemon
- Re: New Version Notification for draft-leiba-rfc2… Ben Campbell
- Re: New Version Notification for draft-leiba-rfc2… HANSEN, TONY L
- RE: New Version Notification for draft-leiba-rfc2… John C Klensin
- Re: New Version Notification for draft-leiba-rfc2… Barry Leiba
- RE: New Version Notification for draft-leiba-rfc2… Dearlove, Christopher (UK)
- Re: New Version Notification for draft-leiba-rfc2… Ted Lemon
- Re: New Version Notification for draft-leiba-rfc2… Stewart Bryant
- RE: New Version Notification for draft-leiba-rfc2… Dearlove, Christopher (UK)
- Re: New Version Notification for draft-leiba-rfc2… John C Klensin
- Re: New Version Notification for draft-leiba-rfc2… John C Klensin
- Re: New Version Notification for draft-leiba-rfc2… Dave Crocker
- Re: New Version Notification for draft-leiba-rfc2… John C Klensin
- Re: New Version Notification for draft-leiba-rfc2… Michael Richardson
- Re: New Version Notification for draft-leiba-rfc2… Barry Leiba
- Re: New Version Notification for draft-leiba-rfc2… Doug Ewell
- Re: New Version Notification for draft-leiba-rfc2… Dave Cridland
- Re: New Version Notification for draft-leiba-rfc2… Barry Leiba
- Re: New Version Notification for draft-leiba-rfc2… Time Warner Cable
- Re: New Version Notification for draft-leiba-rfc2… Michael Richardson
- Re: New Version Notification for draft-leiba-rfc2… Barry Leiba
- Re: New Version Notification for draft-leiba-rfc2… Michael Richardson
- Re: New Version Notification for draft-leiba-rfc2… Ted Lemon
- Re: New Version Notification for draft-leiba-rfc2… Ted Lemon
- Re: New Version Notification for draft-leiba-rfc2… John Leslie
- Re: New Version Notification for draft-leiba-rfc2… Ted Lemon
- Re: New Version Notification for draft-leiba-rfc2… Stewart Bryant
- Re: New Version Notification for draft-leiba-rfc2… Stewart Bryant
- Re: New Version Notification for draft-leiba-rfc2… Stewart Bryant
- Re: New Version Notification for draft-leiba-rfc2… Stewart Bryant
- Re: New Version Notification for draft-leiba-rfc2… Randy Bush
- Re: New Version Notification for draft-leiba-rfc2… Dave Crocker
- Re: New Version Notification for draft-leiba-rfc2… Michael Richardson
- Re: New Version Notification for draft-leiba-rfc2… Mark Andrews
- Re: New Version Notification for draft-leiba-rfc2… John R Levine
- Re: New Version Notification for draft-leiba-rfc2… Mark Andrews
- Re: New Version Notification for draft-leiba-rfc2… John Levine
- Re: New Version Notification for draft-leiba-rfc2… Scott O. Bradner
- Re: New Version Notification for draft-leiba-rfc2… Joe Touch
- Re: New Version Notification for draft-leiba-rfc2… Sam Hartman
- Re: New Version Notification for draft-leiba-rfc2… Dave Crocker
- Re: New Version Notification for draft-leiba-rfc2… Sam Hartman
- Re: New Version Notification for draft-leiba-rfc2… Barry Leiba
- Re: New Version Notification for draft-leiba-rfc2… Stephan Wenger
- Re: New Version Notification for draft-leiba-rfc2… Barry Leiba
- Re: New Version Notification for draft-leiba-rfc2… Ted Hardie
- Re: New Version Notification for draft-leiba-rfc2… Paul Hoffman