Terry W. Ogletree currently works as a technical consultant for The Computer Merchant. He has worked with computers for more than 20 years. Terry has thoroughly trained and worked with OpenVMS, UNIX, and TCP/IP platform systems. He has also had extensive experience with all flavors of Windows NT. He is the lead author for Upgrading and Repairing Networks, Third Edition; Windows XP Professional Unleashed; and Practical Firewalls.