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Part I Introduction to Firewalls
Chapter 1 Introduction to Firewalls
What Is a Firewall?
What Can Firewalls Do?
Firewalls Manage and Control Network Traffic
Connections and State
Stateful Packet Inspection
Firewalls Authenticate Access
Firewalls Act as an Intermediary
Firewalls Protect Resources
Firewalls Record and Report on Events
What Are the Threats?
Targeted Versus Untargeted Attacks
Viruses, Worms, and Trojans
Malicious Content and Malware
Denial of Service
Compromise of Personal Information and Spyware
New Attack Vectors
Insecure/Poorly Designed Applications
What Are the Motives?
Examples of Security Policies
Firewalls and Trust
Determining If You ...
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