IPv6 black lists?

Benedikt Stockebrand me at benedikt-stockebrand.de
Wed Mar 10 12:13:20 CET 2010

Hi Gert and list,

Gert Doering <gert at space.net> writes:

> Not bitmap-based data structures exist...

correct, but bitmaps are the best available data structure in a worst
case scenario, so they define a lower bound.

If spammers were seriously interested in disabling address-based
blacklists by flooding them, then a bitmap is the most resilient data
structure.  With IPv4 that's feasible, with IPv6 it isn't.



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