Tips and tricks for eliminating crawlers and bots from your web stats or even the site.
http://oreilly.com/pub/h/221 http://www.evolt.org/article/x/18/15126/ http://evolt.org/article/Stopping_Spambots_II_The_Admin_Strikes_Back/18/21392/index.html
http://www.perlcode.org/tutorials/apache/attacks.html
