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Barracuda NextGen Firewall X

This Firmware Version Is End-Of-Support

As of December 1st, 2018, all new sales for Barracuda NextGen Firewall X Series products have ceased. Only renewals of software and hardware subscriptions for a maximum of one year are available for a limited time. December 1st 2019: All Barracuda Firewall X-Series sales will cease; neither new sales nor any renewals will be available. If you currently hold a maintenance and support contract, you will continue to receive our award-winning support and services until your contract expires, or until the End of Live definition as described in the End of Support and End of Life Information.

How to Update the Firmware on Your Barracuda NextGen Firewall X

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This article explains how to update your Barracuda NextGen X-Series Firewall to the latest generally available firmware version or if available early release versions.

  • Latest General Release – The latest generally available version of the firmware available for use on the X-Series Firewall.
  • Latest Early Release – The newest firmware versions available for early access to your X-Series Firewall.


Applying a new firmware version may result in a temporary loss of service and the unit may reboot. For this reason, you should apply new firmware versions during non-business hours.

Stand-Alone System

To update the firmware version of a stand-alone X-Series Firewall:

  1. Go to ADVANCED > Backups and back up the current configuration.
  2. Go to the ADVANCED > Firmware Update page.
  3. Click Download Now for the Latest General Release you want to update to. The download function is available as soon as a new general release is provided.
  4. After the firmware has been successfully downloaded, click Apply Now.

High Availability Cluster

To update the firmware of all systems in a cluster:

On the active/primary unit:
  1. Go to ADVANCED > Backups, to back up the current configuration.
  2. Go to  ADVANCED > Firmware Updates and download the latest generally available firmware version. The firmware download automatically starts on the standby unit.
  3. As soon as the firmware downloads are complete, go to  ADVANCED > High Availability and click Manual Failover.
  4. Apply the new firmware and verify that the update has successfully finished.
  5. If you are updating from 6.1.X to 6.5.X make sure to follow the instructions after logging in to migrate the application control policies before updating the secondary unit.
On the standby/secondary unit:
  1. Go to ADVANCED > High Availability and click Manual Failover.
  2. Apply the new firmware and verify that the update has successfully finished.
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