Backups - D-Link NetDefend SOHO DFL-160 User Manual

7.3. Backups

7.3. Backups
The administrator has the ability to take a snapshot of a NetDefendOS system at a given point in
time and restore it when necessary. The snapshot can be of two types:
• A configuration backup which does not include the installed NetDefendOS version. This is a
recommended precaution to allow the configuration at a given point in time to be restored
provided the NetDefendOS version does not change.
• A system backup which is a complete backup of both the configuration and the installed
NetDefendOS software. This is a recommended precaution if both the configuration is to be
changed and the NetDefendOS version is upgraded.
To restore a backup file, the administrator should upload a backup file to the DFL-160. The name of
the file does not really matter since NetDefendOS will read a header in the file to determine what it
is.
Backups Do Not Contain Everything
Backups include only static information from the NetDefendOS configuration. Dynamic
information such as the DHCP server lease database or Anti-Virus/IDP databases will not be backed
up.
Operation Interruption
Backups can be created at any time without disturbing NetDefendOS operation. After restoring a
backup it is necessary to perform an Activate to make the restored configuration/system active.
Restoring and activating a configuration-only backup should not, in most cases, disturb system
operation. Complete system restore, however, is more involved and will require that NetDefendOS
reinitializes, with the loss of all existing connections. Initialization may require some seconds to
complete depending on the hardware type and normal operation will not be possible during this
time.
Chapter 7. The Maintenance Menu
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