Anonymous is a Linux and Perl programmer who lives in southern California with his wife Michelle and a half-dozen computers. He currently runs an Internet security consulting company and moonlights doing contract programming for several Fortune 500 firms. His latest project is a Linux-based, turn-key firewall system designed expressly for Certified Public Accountancy firms.

The following people were indispensable: Michael Michaleczko, Alex Brittain, John Sale, Marty Rush, Lloyd Reese, David Pennells, and David Fugate.

Additionally, my deepest thanks to a superb editing team: Mark Taber, Scott Meyers, Randi Roger, John Ray, Christopher Blizzard, Billy Barron, Sean Medlock, Karen Walsh, Rebecca Mounts, Mary Ellen Stephenson, and Dan Scherf.

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