With our great firewalls shootout looming on the horizon (2008Q1) I've begun to wonder just what it would take to build a firewall for a Distributed Enterprise main office out of open source tools. So when the folks from NoStarch Press sent me a copy of Linux Firewalls by Michael Rash I just had to start a sub project with my students to try to build an open source equivalent to the appliances that will be arriv October 2007, 336 pp. ISBN-10 1-59327-141-7 ISBN-13 978-1-59327-141-1 $49.95 Technology Industry