Chapter 10. Using Common Firewalls

THE ACTUAL DEPLOYMENT of a firewall is a fairly straightforward process. This process begins with understanding the network environment, includes selecting a product that satisfies security needs, and ends with a more secured network infrastructure. Toward that end, this chapter examines a few of the remaining concepts that are often part of the decision-making process.

Firewalls are useful in many different situations. Every network infrastructure can benefit from proper use of a firewall. This chapter presents additional concerns and decision points for small and large network environments, host software firewalls, native operating system (OS) firewalls, third-party OS firewall alternatives, internet service ...

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