rfc in naming host

[Mark_Andrews at isc.org]

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> Anthony Fajri wrote:
> >
> > 	what is the rfc about the ethics in giving a name for a host
> > 	can i use my name as a reverse for my computer?
> 
> The convention for hostnames is laid out in RFC-953.

	You mean RFC 952 as modified by RFC 1123.
 
> RFC-2317 deals with classless delegation of reverse addresses.
> 
> You could do worse than work to a small subset of legal names, I prefer;
> 
> 8 characters or less, 1st character a letter, others letters (7 bit
> ASCII) or digits (0-9), avoid punctuation. This also complies with less
> formal requirements of some now nearly defunct operating systems
> versions. So you don't find you have allocated someone a hostname they
> can't use.
> 
> Just because "-" is permitted and "_" (now) generally works, you aren't
> compelled to use them.
	
	Underscore does *not* generally work.  Please don't suggest that
	it does.
 
> Make sure whatever you use for "reverse", maps forward back to it's own
> IP address, and use this FQDN in your MTA for when it says "HELO" (or EHLO).
> 
> I assume English isn't your first language, "ethics" would be more about
> making sure the name is not libellous, blasphemous or rude, by my
> understanding of the word "ethics". I'm not aware of an RFC on those
> aspects, although some documents do give general advice. http://sod.ms/
> probably ignores that advice.
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--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org