The Accidental Administrator: Cisco ASA Security Appliance book trailer
http://amzn.com/1449596622 The Accidental Administrator: Cisco ASA Security Appliance is packed with 56 easy-to-follow hands-on exercises to help you build a working firewall configuration from scratch. It's the most straight-forward approach to learning how to configure the Cisco ASA Security Appliance, filled with practical tips and secrets learned from years of teaching and consulting on the ASA.