Re: [jboss-dev] Hostname problem when starting JB AS TRUNK
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.