Books by Ido Dubrawsky
How to Cheat at Securing Your
How to Cheat at Securing Your Network
The CompTIA Security + certifi
The CompTIA Security + certification guide
How to Cheat at Securing Your Network (How to Cheat)
Firewall fundamentals
CCSP CSI exam certification guide
Cisco security professional's guide to secure intrusion detection systems
Caldera OpenLinux system administration unleashed
Red Hat Linux System Administration Unleashed