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Date: Sun, 30 Mar 2003 06:05:34 -0700 (MST)
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To: des@ofug.org
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: arch@freebsd.org
Subject: Re: Allow underscores in DNS names
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In message: <xzp4r5ljitl.fsf@flood.ping.uio.no>
            des@ofug.org (Dag-Erling Sm=F8rgrav) writes:
: "M. Warner Losh" <imp@bsdimp.com> writes:
: > When this has come up in the past, it was decreed that _ is a bad b=
ad
: > bad bad idea, even though people want it.  You might want to check =
the
: > ancient archives (1998?) for all the reasons why.
: =

: Arguments presented in ancient archives are not necessarily relevant
: five years later.

True.  However, they are still relevant today.  '_' is illegal in DNS
names, is rejected by the majority of hosts on the internet and
generally is a bad idea.  If you do it, make it optional.

Warner