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Chapter 4: ISA 2004 Network Concepts and Preparing the Network Infrastructure
In this chapter, we will discuss a disparate group of issues that relate to the ISA firewall's Networking capabilities. We'll start with a detailed discussion of how we see the ISA firewall and its proper place on corporate networks. Then, we'll cover the network layout we use for all the scenarios discussed in this book. Included in this discussion will be a detailed description on how you can configure VMware to replicate the configurations in this book.
Next, we'll dig into the deep details on how the ISA firewall 'sees' Networks, and how you configure the firewall to communicate on local and non-local networks. We'll also discuss some topics that don't fit neatly into any category, but seem to fit best into this 'Network Concepts' chapter. We'll finish up with a discussion of the supporting Network Services that you will need to consider when setting up an ISA firewall. This is a critical discussion because the ISA firewall benefits from the services and support of a wide variety of network services.
In some of the discussions in this chapter, we'll cover concepts and procedures that will be discussed in much more detail in other chapters of this book. We understand if you find yourself frustrated with some terms or concepts in this chapter that haven't yet been defined. Be patient and look up those terms or concepts in other chapters in this book. You're also welcome to post a question on the www.isaserver.org message boards. Just write BOOK at the beginning of the title in your post and reference that page number of the book that you're having problems with, then send me an e-mail message at tshinder@isaserver.org with the link to your post.
