> > Thanks. > > Not that I have done this on the net, but has anyone thought about > using a fuzzy logic approach to the problem? While it wouldn't be a > perfect solution, you could set a threshold you're comfortable with. > > Also while your DNA comment was meant to be humorous, it's not a bad > idea to build a "trust-index" via user actions that would be similar > to a DNA-like reasoning solution. > > Just food for thought. > > tedd I recently read an article about IP fingerprinting. The concept is that every PC-NIC-CABLE-FIREWALL combination has subtle, but measurable differences in the way they communicate. It was very in-depth, but it worked amazingly well. If I can find the article, I'll post it. JM -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php