[dns-operations] DNS prefetching, DLV and cheap NAT router state table overflow
fw at deneb.enyo.de
Wed Sep 22 06:01:05 UTC 2010
* bert hubert:
> I'd blame the AVM. I've been told it runs Linux, so perhaps you
> could hack into it.
Yes, I'll try to gather more data from it.
> Do you have an indication of how much DNS traffic we are talking about?
Unbound says it has processed a round of 300 recursive queries when
the anomaly occurs. tcpdump shows that this translate to roughly
5,000 upstream queries (not all of them answered), over a period of
about 1.5 minutes.
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