Filter
Top Products
72 Fortinet Inc.
Revert to a previous firmware version System status
5 Enter the following command to copy the firmware image from the TFTP server to the
FortiGate:
execute restore image <name_str> <tftp_ip>
Where <name_str> is the name of the firmware image file on the TFTP server and
<tftp_ip> is the IP address of the TFTP server. For example, if the firmware image
file name is FGT_300-v250-build045-FORTINET.out and the IP address of the
TFTP server is 192.168.1.168, enter:
execute restore image FGT_300-v250-build045-FORTINET.out
192.168.1.168
The FortiGate unit uploads the firmware image file, upgrades to the new firmware
version, and restarts. This process takes a few minutes.
6 Reconnect to the CLI.
7 To confirm that the new firmware image has been loaded, enter:
get system status
8 Use the procedure “Manually updating antivirus and attack definitions” on page 95 to
update antivirus and attack definitions, or from the CLI, enter:
execute updatecenter updatenow
9 To confirm that the antivirus and attack definitions have been updated, enter the
following command to display the antivirus engine, virus and attack definitions version,
contract expiry, and last update attempt information.
get system objver
Revert to a previous firmware version
Use the following procedures to revert your FortiGate unit to a previous firmware
version.
Reverting to a previous firmware version using the web-based
manager
The following procedures return your FortiGate unit to its factory default configuration
and delete NIDS user-defined signatures, web content lists, email filtering lists, and
changes to replacement messages.
Before running this procedure you can:
• Backup the FortiGate unit configuration, use the procedure “Backing up system
settings” on page 83.
• Backup the NIDS user defined signatures, see the FortiGate NIDS Guide
• Backup web content and email filtering lists, see the FortiGate Content Protection
Guide.
If you are reverting to a previous FortiOS version (for example, reverting from FortiOS
v2.50 to FortiOS v2.36) you may not be able to restore your previous configuration
from the backup configuration file.