This section covers some case studies that highlight how the PIX can be used in real-world scenarios. The purpose of these case studies is twofold. The primary purpose is to put into a more practical and implementation-oriented light all the material that has been discussed in this chapter. The secondary purpose is to review how to set up PIX in real-world scenarios with a suitable juxtaposition of commands.
PIX with Three Interfaces, Running a Web Server on the DMZ
A PIX with three interfaces is one of the most commonly used PIX hardware configurations in use in most enterprise networks today. The three interfaces are the inside, the outside, and a DMZ interface. As discussed earlier, the DMZ interface is used to house the servers ...