[dnsext] [Editorial Errata Reported] RFC4343 (5112)

RFC Errata System <rfc-editor@rfc-editor.org> Tue, 12 September 2017 19:45 UTC

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Subject: [dnsext] [Editorial Errata Reported] RFC4343 (5112)
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The following errata report has been submitted for RFC4343,
"Domain Name System (DNS) Case Insensitivity Clarification".

You may review the report below and at:

Type: Editorial
Reported by: Change "should" to must in section 3.(no subsection) <rich.tom@alticeusa.com>;

Section: 3

Original Text
comparisons on name lookup for DNS queries should be case insensitive

Corrected Text
comparisons on name lookup for DNS queries must be case insensitive

Some authoritative DNS servers and/or mitigation devices/software silently drop queries that have uppercase letters in them.  Furthermore, the clarification of the case insensitive comparison in the following two sentences after that particular sentence use the term MUST.  I suspect some readers of the RFC are reading the word "should" and aren't reading the rest of the paragraph.

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RFC4343 (draft-ietf-dnsext-insensitive-06)
Title               : Domain Name System (DNS) Case Insensitivity Clarification
Publication Date    : January 2006
Author(s)           : D. Eastlake 3rd
Category            : PROPOSED STANDARD
Source              : DNS Extensions
Area                : Internet
Stream              : IETF
Verifying Party     : IESG