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> Well, along these lines WordPress, the blog software that I use, > prevents comment spam by making sure that users with the same IP can't > post more often than every 30 seconds. This makes spambots useless and > expensive to run. > > Same can be applied to web application protection, i.e. a single IP > cannot make more than N hits/second or something of that sort. Nope, proxies are readily available. Interestingly the world of blogging recently received a nice new threat, crapflooding through trackback. Shelley has the explanation and relevant links at [1]. Jacques Distler offered a simple explanation for the phenomenon in general - software monoculture. In the case of most virus problems, the monoculture is essentially that of Microsoft. But the web itself is built on the monoculture of TCP/IP, so the problem runs deeper, so even without the Borg we'd still have to cross this bridge sooner or later. Or rather stop unwanted packets crossing it. Cheers, Danny. [1] http://weblog.burningbird.net/fires/technology/stepping_stones_to_a_safer_bl og.htm
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