Mastering Palo Alto Networks
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Summary

You should now understand which basic technologies make up the security ecosystem on the Palo Alto Networks firewall. It's okay if this seems a bit vague as we will see more practical applications, and implications, in the next two chapters. We will be taking a closer look at how security and NAT rules behave once you start playing with zones, and how to anticipate expected behavior by simply glancing at the rules.