dns server sizing?

David Mitchell davem at fdgroup.co.uk
Wed Sep 22 14:50:45 UTC 1999


> Jim Reid <jim at mpn.cp.philips.com> wrote
> 
> True: up to a point. But what if those clients are things like dig or
> nslookup or even named-xfer? And how do you know where or what is
> giving them an answer to a host lookup? I suppose someone could
> by-pass all that Solaris cruft by statically linking the name server
> software with libbind.a - no more nsswitch.conf - but why bother with
> that hassle in the first place?

All the 'cruft' works at the gethostbyname() library level.
dig et al directly call the "unadulterated" resolver routines,
which bypasses all that stuff.

ie gethostbyname() is a generic function that can get info from many
sources, such as /etc/hosts, NIS[+], caches, or DNS (via the revolver
routines).


* Dave Mitchell, Operations Manager,
* Fretwell-Downing Facilities Ltd, UK.  davem at fdgroup.co.uk
* Tel: +44 114 281 6113.                The usual disclaimers....
*
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