A big part of the problem you mention can be solved by requiring a Turing test for the actions that you don't want a bot to be able to do.
php0t > Recently, new bots rendered current anti spam techniques for blogs > almost useless. Here is a short write-up on the subject of comment spam, > referrer spam and what's currently happening in that area. _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
