Eli Lazich has been either supporting or teaching computer networking for more than 20 years. His interest in computer networking started even before he had his first real job but came to fruition when he was part of a team that implemented a Novell NetWare ELS system. Eli is a Certified Novell Engineer and Instructor (CNE and CNI) and a Microsoft Certified System Engineer and Trainer (MCSE and MCT). He is proficient with all the Microsoft Windows operating systems, including Windows XP. Other operating systems with which he has worked and written software include Linux, FreeBSD, and BSD/OS. Eli currently runs a home network of his own, implementing projects found in this book as well as some other fun things.