Mitch Tulloch is a trainer, consultant, and author living in Winnipeg, Canada. In addition to his Nutshell books for O'Reilly listed below, Mitch is also the author of the Microsoft Encyclopedia of Networking and Microsoft Encyclopedia of Security, both from Microsoft Press, and a string of best-selling books on IIS from Osborne/McGraw-Hill. If you're interested you can find out more about Mitch on his website www mtit.com. In addition to his O'Reilly weblog, Mitch also maintains a "techblog" at mitchtulloch.blogspot.com containing random thoughts, ideas, suggestions, tips, and resources for network and system administrators.