[jboss-dev] Hostname problem when starting JB AS TRUNK
Aleksandar Kostadinov
akostadi at redhat.com
Thu Oct 11 10:58:37 EDT 2007
Jonathan Halliday wrote, On 10/11/2007 05:39 PM (EEST):
> Jason T. Greene wrote:
>> In reality there is nothing wrong with [underscores],
>> they just aren't allowed in DNS.
>
> That was correct in ARPANET times, but it's been untrue for quite a
> while, even before internationalized domain names became widely
> supported. DNS itself (as in the RFCs) does not make such a restriction.
> Certain overly conservative client programs may.
Try to register one...
>
> http://www.faqs.org/rfcs/rfc2181.html section 11:
>
> "Implementations of the DNS protocols must not place any restrictions on
> the labels that can be used."
>
> or
>
> http://www.faqs.org/rfcs/rfc3696.html section 2:
>
> "Any characters, or combination of bits (as octets), are permitted in
> DNS names."
>
>
> Jonathan.
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