M23_STAL7044_05_SE_C22.QXD 12/3/09 12:15 PM Page 22-1 CHAPTER FIREWALLS 22.1 The Need for Firewalls 22.2 Firewall Characteristics 22.3 Types of Firewalls Packet Filtering Firewall Stateful Inspection Firewalls Application-Level Gateway Circuit-Level Gateway...
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M23_STAL7044_05_SE_C22.QXD 12/3/09 12:15 PM Page 22-1 CHAPTER FIREWALLS 22.1 The Need for Firewalls 22.2 Firewall Characteristics 22.3 Types of Firewalls Packet Filtering Firewall Stateful Inspection Firewalls Application-Level Gateway Circuit-Level Gateway 22.4 Firewall Basing Bastion Host Host-Based Firewalls Personal Firewall 22.5 Firewall Location and Configurations DMZ Networks Virtual Private Networks Distributed Firewalls Summary of Firewall Locations and Topologies 22.6 Recommended Reading and Web Site 22.7 Key Terms, Review Questions, and Problems 22-1
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