This solution applies to Barracuda products, all firmware versions.
All Barracuda Networks machines use port 80 or port 8000 to download the firmware.
However, during the firmware update, the script will access Barracuda Central over port 443. If port 443 is not allowed, the script will be on stand-by until it times out. This is a common cause of hanging downloads.
If you continue to experience issues downloading firmware, please contact Technical Support.
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