These days I use Response. AppendToLog in ASP to write into my IIS web server logs - rather than log into a debug file or write into the NT event log. To get it to work, the URI Query option of Extended logging needs to be enabled. Maybe worth looking into. Martijn Koster maintains an excellent site on web robots.
British company creates cloned pigs .
Bill Joy's warning of tech Armageddon. Checking out Firedrop Zaplets . Seems like glorified HTML mail to me. A Cyber Revolution . World's largest Tech IPO .