check-names settings
Gregory Hicks
ghicks at cadence.com
Fri Sep 12 20:17:57 UTC 2008
> Date: Fri, 12 Sep 2008 14:56:56 -0500
> From: Peter Laws <plaws at ou.edu>
>
> Leonard Mills wrote:
> > check-names master ignore
> >
> > might well be what you're looking for. You lose name checking against the
current standards :-).
>
> *That's* the question: what are the standards as BIND sees them? The RFCs
> referenced in here and in the docs specify what's "official" (or what was
> official years ago) but that's not necessarily the same as what BIND does:
>
> "The rules for legal hostnames / mail domains are derived from RFC 952 and
> RFC 821 as modified by RFC 1123." (from BIND docs)
>
>
> OK, so just what is derived? Did they take the rules verbatim? Or do they
> allow some and not others? SRV records *require* the underbar, but they
> aren't mentioned in any of the RFCs above or any posted here today ...
Well, you're allowed to have an "_" in a DOMAIN name but not in a HOST
name. And RFC 2782 covers SRV RRs as used in DNS...
(RFC 2782 is available http://www.faqs.org/rfcs/rfc2782.html and
http://www.ietf.org/rfc/rfc2782.txt )
> So the question stands - what do I lose if I choose "check-names slave
> ignore"?
>
>
> --
> Peter Laws / N5UWY
> National Weather Center / Network Operations Center
> University of Oklahoma Information Technology
> plaws at ou.edu
> -----------------------------------------------------------------------
> Feedback? Contact my director, Craig Cochell, craigc at ou.edu. Thank you!
>
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Gregory Hicks | Principal Systems Engineer
Cadence Design Systems | Direct: 408.576.3609
2655 Seely Ave M/S 9A1
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I am perfectly capable of learning from my mistakes. I will surely
learn a great deal today.
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