[rbldnsd] Excluding a CIDR range

[Sami Farin]

On Thu, Dec 01, 2005 at 05:42:38PM -0500, Chris Gabe wrote:
....
> Thanks all, I knew this must have been seen before.
> I agree the feature would be nice.
> Furio your situation is much like mine.  400,000 ip's in a few thousand 
> various sized CIDRs that this one ISP "owns".  They all need to be 
> excluded from their RBL check.  It changes daily too.  rbldnsd can 

So serve those 400,000 IP addresses in whitelist.borderware.com
or something and check whitelist.borderware.com before other RBLs...
If there's temporary error accessing whitelist.borderware.com,
give out 450 error or skip those other RBLs.

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