Re: [dnsext] [Editorial Errata Reported] RFC4343 (5112)
"Jay R. Ashworth" <jra@baylink.com> Tue, 26 September 2017 20:56 UTC
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Date: Tue, 26 Sep 2017 20:55:59 +0000
From: "Jay R. Ashworth" <jra@baylink.com>
To: Peter van Dijk <peter.van.dijk@powerdns.com>
Cc: dnsext@ietf.org, rfc-editor@rfc-editor.org
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Subject: Re: [dnsext] [Editorial Errata Reported] RFC4343 (5112)
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> From: "Peter van Dijk" <peter.van.dijk@powerdns.com> > neither the original text or the erratum suggest dropping queries with > capital letters. The original text already says that queries MUST (2119 > capital) match uppercase letters to lowercase letters. The suggested > erratum (in my eyes unnecessarily) suggests uppercasing a lowercase > should to make this even more explicit. > > As for devices dropping this, I don’t have any documentation handy but > mixed case is certainly known to trigger bugs in various pieces of > software now and then. I was, in fact, being aghast at this: >>> Some authoritative DNS servers and/or mitigation devices/software >>> silently drop queries that have uppercase letters in them. If there are authoritative zone servers that drop incoming queries with capital letters in them, I wish someone would let me know where so that I can go set them on fire. That's *terribly* antisocial, aside from violating the RFCs to a fare-thee-well. My apologies for being insufficiently clear about what I was responding to. Cheers, -- jra -- Jay R. Ashworth Baylink jra@baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates http://www.bcp38.info 2000 Land Rover DII St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274
- [dnsext] [Editorial Errata Reported] RFC4343 (511… RFC Errata System
- Re: [dnsext] [Editorial Errata Reported] RFC4343 … John Levine
- Re: [dnsext] [Editorial Errata Reported] RFC4343 … Olafur Gudmundsson
- Re: [dnsext] [Editorial Errata Reported] RFC4343 … Warren Kumari
- Re: [dnsext] [Editorial Errata Reported] RFC4343 … Jay Ashworth
- Re: [dnsext] [Editorial Errata Reported] RFC4343 … Peter van Dijk
- Re: [dnsext] [Editorial Errata Reported] RFC4343 … Jay R. Ashworth