Wrong IP Lookup
Nicolas Kreft
kreft at do.isst.fhg.de
Fri Nov 26 08:21:58 UTC 2004
Hi Norman!
Norman Zhang schrieb:
> I have BIND setup to take DDNS from a multihomed box. DDNS are enabled
> on both NICs. For example,
>
> dc1.mydomain.com 192.168.11.21 192.168.22.21
>
> However, the wrong IP may sometimes be resolved for the wrong subnet. Is
> there a way I can restrict hosts in 192.168.22.0/24 subnet to resolve to
> 192.168.22.21 only? And likewise for subnet 192.168.11.0/24?
Try the "sortlist" config statement.
Example:
sortlist {
{ 192.168.1.0/24; };
{ 192.168.2.0/24; };
{ 192.168.3.0/24; };
};
When you have multiple A records for a multihomed host,
Bind will return the one that "belongs" to the subnet
the query came from.
HTH
Nicolas
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