Jonathan Hassell

Jonathan Hassell is a systems administrator, IT consultant, and industry author residing in Raleigh, NC. He has extensive experience in networking technologies and Internet connectivity and currently runs his own web hosting business, Enable Hosting. He is the author of "RADIUS" for O'Reilly and Associates and is a columnist for WindowsITSecurity.COM and Pinnacle's Linux AppDev newsletter. He has also worked with IBM to develop a tutorial on Apache web server optimization.