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From Joe Orton <jor...@redhat.com>
Subject Re: Underscores in hostnames
Date Fri, 03 Feb 2017 08:08:56 GMT
On Thu, Feb 02, 2017 at 03:09:35PM +0200, Issac Goldstand wrote:
> AFAIK, underscores are forbidden from being part of a host name as per RFC
> 1123 Sec 2.1/RFC 952 (Assummptions Sec 1)
> 
> It's also spelled out in RFC 3986:
> "
>   A registered name intended for lookup in the DNS (...)
>   consists of a sequence of domain labels separated by ".",
>    each domain label starting and ending with an alphanumeric character
>    and possibly also containing "-" characters.

Hah, right above where I quoted ;)  Thanks Issac!

Regards, Joe

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