
6 Release and Migration Notes - General
General
Read this document before updating your system
If you are going to update from release version 4.2.X to Barracuda NG Firewall 5.2.4 via firmware version 5.0 (no
direct update is possible!), Barracuda Networks strongly recommends to study the Barracuda NG Firewall 5.0
Migration Instructions and also the Barracuda NG Firewall 5.2 Migration Instructions available for download at
https://login.barracudanetworks.com, as, under certain circumstances, no countermanding is possible once the
updating process was initiated.
There you will also find in-depth information on new features and changes in terminology that have been introduced
with release version 5.0.
Starting with Barracuda NG Firewall 4.2.13, OVA images for VMWare were made available. OVA images based on
minor release 4.2.13 have a bug which might lead to loss of the current network configuration when updating to
Barracuda NG Firewall minor release version 5.2.4 via major release version 5.0.
Please make sure to configure your network settings before updating virtual appliances based on 4.2.13 OVA
images using Barracuda NG Admin at least once. Also, a network activation is required.
This issue does not apply to fresh installations based on 5.2.4 OVA images.
After updating to firmware version 5.2.4, it is necessary to manually restart all WIFI Access Point Services, if multiple
instances of the WIFI Access Point Service are in use.
This dies not apply to systems running only one instance of the WIFI Access Point Service.
Prior to firmware release version 5.2.3, it was for compatibility reasons possible to establish a client-to-site VPN
connection by only using any VPN client even though Exclusive Network Access (ENA) was configured on the
Barracuda NG Firewall.
Since 5.2.3, it is implicitly necessary to have the NG Personal Firewall including the packet filter SPAC installed on
the client, otherwise a connection to the VPN server will be prevented.
One time password authentication with Verisign’s Unified Authentication Tokens will only work if the OTP preserves
State configuration parameter in the RADIUS configuration of Barracuda NG Firewall is properly set. This parameter
was introduced with release version 5.2.3 and is only visible in Advanced mode.
The Barracuda NG Firewall may reboot after installation. If not, Barracuda Networks recommends performing a
manual reboot.
Barracuda NG Firewall 5.2.4 is the last firmware version to be delivered with PDF Release Notes.
Upcoming future releases will be documented throughout in the Barracuda Networks Techlib.
Also, there will be no newrevisions of the PDF Administrator’s Guide from now. New features and changes for
firmware versions 5.2.4 and later are documented within the Barracuda Networks Techlib.
Visit http://techlib.barracuda.com to access all latest information on Barracuda NG Firewall.
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