Fortinet FortiGate 4000 Betriebsanweisung

Make sure the FortiGate unit can connect to the TFTP server.
You can use the following command to ping the computer running the TFTP server. 
For example, if the IP address of the TFTP server is 192.168.1.168:
execute ping 192.168.1.168

Enter the following command to copy the firmware image from the TFTP server to the 
FortiGate unit:
execute restore image <name_str> <tftp_ipv4>
Where <name_str> is the name of the firmware image file and <tftp_ip> is the IP 

address of the TFTP server. For example, if the firmware image file name is 
FGT_300-v280-build183-FORTINET.out and the IP address of the TFTP server 

is 192.168.1.168, enter:

execute restore image FGT_300-v280-build183-FORTINET.out 
192.168.1.168
The FortiGate unit responds with the message:
This operation will replace the current firmware version!
Do you want to continue? (y/n)

Type y.
The FortiGate unit uploads the firmware image file, upgrades to the new firmware 
version, and restarts. This process takes a few minutes.

Reconnect to the CLI.

To confirm that the new firmware image is successfully installed, enter:
get system status

Use the procedure 

 to update 

antivirus and attack definitions, or from the CLI, enter:
execute update_now

Use the following procedures to revert your FortiGate unit to a previous firmware 
version.

The following procedures revert the FortiGate unit to its factory default configuration 
and deletes IPS custom signatures, web content lists, email filtering lists, and changes 
to replacement messages.

Before beginning this procedure you can:

• Back up the FortiGate unit configuration. 
• Back up the IPS custom signatures. 
• Back up web content and email filtering lists. 

Note: To use this procedure you must login using the admin administrator account, or an 
administrator account that has system configuration read and write privileges.