Dell SonicWall SRA 4200 Administrator's Manual page 281

You can change the time frame displayed in both graphs by selecting one of the following
options from the Monitoring Period drop-down list:
Last 12 Hours
•
Last 14 Days
•
Last 21 Days
•
Last 6 Months
•
Figure 50 shows the number and severities of threats detected and prevented over the last 21
days.
Figure 50 Threats Over Last 21 Days
Hovering your mouse pointer over the signature ID causes a tooltip to appear with details about
the threat.
Figure 51 Threat Details Tooltip
The local signature database on the appliance is accessed to get detailed threat information,
but if the database is not up-to-date, some detailed information for the Top 10 Threats might not
be available. In this case, the threat color in the graph is light grey, and the severity is displayed
as unknown in the tooltip for this threat. The following error message is also displayed below
the graphs:
"Warning: Web Application Firewall Signature Database for this device is not current. Please
synchronize the Database from the Web Application Firewall > Status page"
Web Application Firewall Configuration | 281