Basic HTML version of Foils prepared Dec. 6 98

Foil 17 Network Security (4)

From Introduction to Network Management Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski


1 Firewalls - guardians for areas of the network. The firewall must permit only authorized traffic. The firewall itself must be immune to penetration. Setting up an Internet Firewall without a comprehensive security policy is like placing a steel door on a tent.
2 Architecture of firewalls is based on : packet filtering, proxies, state inspection, or network address hiding and translation

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