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Date:      Mon, 25 Aug 1997 09:17:29 +0930
From:      Mike Smith <mike@smith.net.au>
To:        Brian Somers <brian@awfulhak.org>
Cc:        Mike Smith <mike@smith.net.au>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Broken resolver/named 
Message-ID:  <199708242347.JAA00507@word.smith.net.au>
In-Reply-To: Your message of "Sun, 24 Aug 1997 12:54:02 %2B0100." <199708241154.MAA00755@awfulhak.org> 

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> >From resolver(3):
> 
>      RES_DEFNAMES  If set, res_search() will append the default domain name to
>                    single-component names (those that do not contain a dot).
>                    This option is enabled by default.
> 
>      RES_DNSRCH    If this option is set, res_search() will search for host
>                    names in the current domain and in parent domains; see
>                    hostname(7).  This is used by the standard host lookup rou-
>                    tine gethostbyname(3).  This option is enabled by default.

I must admit to some surprise here; I had thought that this behaviour 
was deprecated.

> This is not the problem.  My problem is that a WindowsNT box is 
> trying to resolve some dumb name, and sits there with its finger up 
> its a*s while the DNS times out.  Good old Microslop^H^H^Hoft.

Find the name it's looking for, and insert a dummy record in your local 
cache.

> > If you never want to consult an outside nameserver, disable your 
> > forwarders; this is pretty dumb though.
> 
> I do want to talk to real DNSs, but not for mis-typed names.

This is the crux of the issue; how do you tell what is a mis-typed name
without looking it up?

mike





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