Chapter 8. PIX Firewall

This chapter covers the following key topics:

  • Adaptive Security Algorithm— This section discusses ASA, the algorithm used to construct the PIX Firewall.

  • Basic Features of the PIX Firewall— This section talks about basic features available in the PIX Firewall. It builds the basis for a discussion of some of the firewall's advanced features.

  • Advanced Features of the PIX Firewall— This section details of some of the advanced security features incorporated into the PIX Firewall.

  • Case Studies— This section contains case studies involving PIX Firewall implementations.

PIX Firewall is an example of a stateful packet filter. PIX also can work on higher layers of the protocol stack for various protocols such as FTP, RealAudio, ...

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