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FREELessons: 10Length: 59 minutes

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1.8 Firewall

In this lesson, we're going to go through the process of setting up a system firewall using Shorewall. We'll leverage many of the commands that we learned in previous lessons to set up a firewall that will help protect our system, as well as learn how to set up Shorewall in a two-interface mode that can be used to protect multiple systems.