[80944] in North American Network Operators' Group
Re: Underscores in host names
daemon@ATHENA.MIT.EDU (Edward Lewis)
Thu May 19 11:30:10 2005
In-Reply-To: <20050519080154.I2239@roble.com>
Date: Thu, 19 May 2005 11:27:25 -0400
To: nanog@trapdoor.merit.edu
From: Edward Lewis <Ed.Lewis@neustar.biz>
Cc: ed.lewis@neustar.biz
Errors-To: owner-nanog@merit.edu
At 8:04 -0700 5/19/05, Roger Marquis wrote:
>Laurent Frigault wrote:
>> gethostbyaddr (and may be other functions) will return NULL under at
>> least FreeBSD/NetBSD for ANY PTR having the "_" character.
>
>As it should. I wish it would also return a null for hostnames
>containing sequential non-alphanumerics (--, ---, __, ___, ...).
If null were returned for all "host names" containing "--" then IDN
names wouldn't "work." (See RFC 3490, section 5.)
--
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Edward Lewis +1-571-434-5468
NeuStar
If you knew what I was thinking, you'd understand what I was saying.