Re: An RFC from the IAB

Steve Bellovin <smb@research.att.com> Sat, 23 March 1996 03:04 UTC

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To: Brian Carpenter CERN-CN <brian@dxcoms.cern.ch>
cc: rfc-editor@isi.edu, iab@isi.edu, iesg <iesg@CNRI.Reston.VA.US>
Subject: Re: An RFC from the IAB
Date: Fri, 22 Mar 1996 18:30:13 -0500
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From: Steve Bellovin <smb@research.att.com>

These two requirements are rather contradictory...  (There's been some
discussion on the bind-workers mailing list about this, since there
have been some security problems due to folks putting line delimiters
into PTR records.  So there's some need to check for syntactic purity
in the DNS implementations, per RFC 952 and 1123.  But what's a ``letter''
in Unicode?  What is upper case in Hebrew or Kanji?)

Mind you, I have no problem with the paragraphs being published more
or less as is.  Is there something we can say at this point to
acknowledge the issue?

	    4.3 Public (i.e. widely visible) names should be in case-independent
	    ASCII.  Specifically, this refers to DNS names, and to protocol
	    elements that are transmitted in text format.
	 
	    5.4 Designs should be fully international, with support for
	    localisation (adaptation to local character sets). In particular,
	    there should be a uniform approach to character set tagging for
	    information content.