Re: Update of RFC 2606 based on the recent ICANN changes ?

Joe Touch <touch@ISI.EDU> Tue, 08 July 2008 18:15 UTC

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Date: Tue, 08 Jul 2008 11:15:18 -0700
From: Joe Touch <touch@ISI.EDU>
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To: Joe Touch <touch@ISI.EDU>
Subject: Re: Update of RFC 2606 based on the recent ICANN changes ?
References: <20080708020228.GC10677@zod.isi.edu> <200807080254.m682sG2Q007427@drugs.dv.isc.org> <20080708161335.GB2519@zod.isi.edu> <4873948A.2040904@network-heretics.com> <4873AE46.6010906@isi.edu>
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Cc: Theodore Tso <tytso@MIT.EDU>, Mark Andrews <Mark_Andrews@isc.org>, Ted Faber <faber@ISI.EDU>, Keith Moore <moore@network-heretics.com>, ietf@ietf.org
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Joe Touch wrote:
|
|
| Keith Moore wrote:
| |
| |
| | Ted Faber wrote:
| |> On Tue, Jul 08, 2008 at 12:54:16PM +1000, Mark Andrews wrote:
| |>>     "hk." is not a syntactically valid hostname (RFC 952).
| |>>     "hk." is not a syntactically valid mail domain.
| |>>     Periods at the end are not legal.
| |>>
| |>>     RFC 1035 has *nothing* to do with defining what is legal
| |>>     as a hostname.
| |>
| |> Fair enough.
| |> By RFC952 standards "hk" is a perfectly fine hostname.
| |>
| |> By RFC1035 standards, if you look it or any other DNS name up using the
| |> DNS resolver, that resolver will treat the name as relative unless it
| |> ends with a dot.   Arguing that hk is an unreliable hostname if you
| |> look it up as a relative pathname is pretty much the same as arguing
| |> that www.isi.deterlab.net is an unreliable hostname.  Both of them are
| |> subject to the search path without that trailing dot.
| |
| | RFC1035 may recognize the trailing dot, but (for better or worse) many
| | applications do not recognize it, and some explicitly forbid it.
|
| RFC1043 defines the dot. The fact that some apps don't recognize it is a
sorry -- 1034.

| bug. Given its impact, let's not call it a feature or BCP.
|
| Joe
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