Fortinet Fortigate-5000 series - Page 167

System Maintenance FortiGuard Center
FortiGate Version 3.0 MR4 Administration Guide
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2 Make sure that the time zone is set correctly for the region in which your FortiGate
unit is located.
3 Go to System > Maintenance > FortiGuard Center.
4 Select Refresh.
The FortiGate unit tests its connection to the FDN. The test results are displayed
at the top of the System Update page.
To update antivirus and attack definitions
1 Go to System > Maintenance > FortiGuard Center.
2 Select Update Now to update the antivirus and attack definitions.
If the connection to the FDN or override server is successful, the web-based
manager displays a message similar to the following:
Your update request has been sent. Your database will be
updated in a few minutes. Please check your update page for
the status of the update.
After a few minutes, if an update is available, the System Update Center page lists
new version information for antivirus definitions and attack definitions. The
System Status page also displays new dates and version numbers for antivirus,
attack and IPS definitions. Messages are recorded to the event log indicating
whether the update was successful or not.
To enable scheduled updates
1 Go to System > Maintenance > FortiGuard Center.
2 Select the Scheduled Update check box.
3 Select one of the following to check for and download updates.
4 Select Apply.
The FortiGate unit starts the next scheduled update according to the new update
schedule.
Whenever the FortiGate unit runs a scheduled update, the event is recorded in
the FortiGate event log.
To add an override server
If you cannot connect to the FDN, or if your organization provides antivirus and
attack updates using their own FortiGuard server, you can use the following
procedure to add the IP address of an override FortiGuard server.
1 Go to System > Maintenance > FortiGuard Center.
2 Select the Use override server address check box.
Note: Updating antivirus and attack definitions can cause a very short disruption in traffic
currently being scanned while the FortiGate unit applies the new signature database. To
minimize this possibility, schedule updates for times of light traffic.
Every Once every 1 to 23 hours. Select the number of hours and minutes between
each update request.
Daily Once a day. You can specify the time of day to check for updates.
Weekly Once a week. You can specify the day of the week and the time of day to
check for updates.