Chapter 2. Cisco PIX Firewall Technology and Features
On completion of this chapter, you will be able to perform the following tasks:
Describe firewall technologies.
Define the three types of firewalls commonly used to secure computer networks.
Describe Private Internet Exchange (PIX) Firewall technologies and features.
By conventional definition, a firewall is a partition made of fireproof material designed to prevent the spread of fire from one part of a building to another.
When applied to computer networks, the term firewall means a system or group of systems that enforces an access control policy between two or more networks. Firewalls are typically used on the edge or perimeter of the network to secure the network against external threats. However, ...
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