Chapter 2. Planning Your FireWall-1 Installation
Careful planning should precede the installation of any firewall. In this chapter, I first discuss how to determine the current state of your network by developing a network topology. Next, I discuss how to discover “zones of trust” and figure out where to put your firewalls. I then show you how to set down some basic security policies in writing. And finally, I cover one of the trickiest parts of a FireWall-1 installation: licensing.
By the end of this chapter, you should be able to:
Explain what a security policy is and how it applies to your organization
Break down a security policy into three critical components: what, who, and how
Develop an overall firewall architecture and rulebase design ...
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