Book Image

Mastering Palo Alto Networks - Second Edition

By : Tom Piens aka Piens aka 'reaper'
Book Image

Mastering Palo Alto Networks - Second Edition

By: Tom Piens aka Piens aka 'reaper'

Overview of this book

Palo Alto Networks’ integrated platform makes it easy to manage network and cloud security along with endpoint protection and a wide range of security services. This book is an end-to-end guide to configure firewalls and deploy them in your network infrastructure. You will see how to quickly set up, configure and understand the technology, and troubleshoot any issues that may occur. This book will serve as your go-to reference for everything from setting up to troubleshooting complex issues. You will learn your way around the web interface and command-line structure, understand how the technology works so you can confidently predict the expected behavior, and successfully troubleshoot any anomalies you may encounter. Finally, you will see how to deploy firewalls in a cloud environment, and special or unique considerations when setting them to protect resources. By the end of this book, for your configuration setup you will instinctively know how to approach challenges, find the resources you need, and solve most issues efficiently.
Table of Contents (18 chapters)
16
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17
Index

Summary

Now that you’ve completed this chapter, you are able to identify the strengths of using a zone-based firewall versus a route-based one. You understand how applications can be identified even though they may all be using the same protocol and port, and you understand how deep packet inspection is achieved in single-pass parallel processing. Most importantly, you have a firm grasp of which phases a packet goes through to form a session. It’s okay if this information seems a bit overwhelming; 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.

If you are preparing for the PCNSE exam, this chapter covered parts of the Planning and Core Concepts and Deploy and Configure domains. Make note of Figure 1.2 regarding packet processing, remember that route lookups...