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Network Security First-Step, Second Edition by Donald Stoddard, Thomas M. Thomas

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Firewalls Are “The Security Policy”

What kind of traffic is allowed into or out of your network? How do you secure your network against attacks? What is your security policy? What happens to the people who do not follow the security policy? Who is responsible for writing and updating the security policy?

All these questions are valid, and they all deserve answers. Having a network that connects to the Internet via a firewall is only the first step to security; because this book is about first steps, this would be a perfect place to start. You should now know that the security policies form the basis of how firewall rules are determined and then implemented into a production network.

Do you remember the old saying, “No job is ever finished until ...

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