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

Documenting the key aspects

Before you can start the upgrade procedure, you should first take some time to document the key aspects of the network surrounding the firewall or Panorama. This information will need to go into a test plan that you can execute immediately after you have performed the upgrade as you will need to quickly ascertain whether the device is up and running and passing traffic as expected. It is important to identify key production applications and if possible, identify personnel who can assist in testing application functionality post-upgrade.

It may be prudent to make an upgrade checklist so that you don’t forget any important caveats, as well as a contingency plan in case something goes wrong, which includes at which point fallback is required. Set this point so that you have plenty of time to troubleshoot for minor oversights, but not so long that it impacts the business. Arrange for an appropriately sized maintenance window beforehand. Here’...