Re: Underscores in host names

[Edward Lewis <Ed.Lewis () neustar biz>]

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.