Selective Forwarding on 8.2.x

[Mark.Andrews at iengines.com]

> 
> 
> Hello,
> 
> Having trouble assisting another DNS administrator using BIND8.2.2.
> 
> He's attempting to use Selective Forwarding and I have advised him to use the
> following:
> 
> zone "subdomain.com" {
>                type forward;
>                forward only;
>                forwarders { 10.xx.xx.xx; };
>      };
> 
> 
> This is for an Internal network only. The result is that his real domain is
> "real.com" is being attached to his query and confusing his DNS server. He
> gets:"hostname.subdomain.com.real.com" and fails!

	This is the resolver's search algorithm coming into play.
	You should contact your OS vendor for a RFC 1535 aware resolver.
> 
> I believe this is obvious, but I'm not confident with BIND 8.2.
> 
> Also, on BIND 4.9.4, I'm having trouble clearing the cache, any quick methods
>  to
> clear the cache immediately?

	Yes.  Stop and start named, the cache is held in memory.
> 
> Could I please have some advise.

	Mark
--
Mark Andrews, Internet Engines Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at iengines.com