Underscores in host names

Thu May 19 15:27:25 UTC 2005

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.)
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Edward Lewis                                                +1-571-434-5468
NeuStar

If you knew what I was thinking, you'd understand what I was saying.