Defense against a client?

[Florian Weimer]

* Chuck Anderson:

> Unfortunately, these sorts of per-IP limiting are going to become more
> and more inappropriate with the likes of Carrier Grade NATs, since
> there will be many subscribers sharing a single public IP address.
> You may end up causing performance problems for legitimate traffic.

Fortunately, this is not that relevant because it's not really feasible
to run largish DNS resolvers behind port-based NAT anyway (in part due
to source port randomization). 8-)

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
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