chapter 1 Introduction -- chapter 2 Managing Network Security -- chapter 3 The Network Stack and Security -- chapter 4 Cryptography and VPN Terminology -- chapter 5 Application Security Needs -- chapter 6 Access Control -- chapter 7 The Public Key Infrastructure -- chapter 8 Firewalls -- chapter 9 Intrusion Detection Systems -- chapter 10 Virtual Private Networks -- chapter 11 Wireless Network Security -- chapter 12 Network Penetration Testing -- chapter 13 Incident Response -- chapter 14 Disaster Recovery and Continuity Planning -- chapter 15 Acceptable Use Policies -- chapter 16 The Final Word.