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

The downgrade procedure

There may be a time when you have upgraded to a newer version but feel you want to remain on the previous version for a while longer and need to downgrade. Rather than reverting to the previous version, which may be an older maintenance release, you can downgrade to the previous major release, but to the latest maintenance release in that build, following these steps:

  1. Verify that both the base image and preferred maintenance release versions have been downloaded on both members when downgrading a cluster. If the images were removed, download the base image first, then download the maintenance version.
  2. If you are downgrading a cluster, suspend and upgrade the primary device first.

    When you initiate the downgrade to a lower major version, the system will ask whether you want to load a configuration file that was saved just before the previous upgrade. This will ensure you revert to a configuration file that was used in the version you are...