bind 8.2.1 and Underscore

Mark_Andrews at isc.org Mark_Andrews at isc.org
Thu Jul 15 05:59:19 UTC 1999


> Could Jim or someone post the RFCs that stipulate this please?  I need
> some extra weight in the argument to persuade my corporation not to
> include underscore in host names (they thought I made it up myself).

	RFC 952 and RFC 1123 which modifies the definition to allow digits
	at the start of a label.

	Mark
> 
> Jim Reid wrote:
> 
> > >>>>> "Sajith" == Sajith Parambath <sajithp at yahoo.com> writes:
> >
> >     Sajith> I have a known problem with 8.2.1, have couple of machines
> >     Sajith> with _ (underscore), in between the names eg:
> >     Sajith> hi_hello.mine.com
> >
> >     Sajith> Is there any way of going around this limitation.
> >
> > Yes. Take a look at the html directory in the documentation
> > tarball. You'll find a reference there to the allow-names
> > substatment. This can be applied to tolerate illegal names.
> > Having said that, it's really not a good idea to violate mandatory
> > RFCs which define what hostnames are and aren't legal.
> 
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org


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