Chapter 1 What’s New for FortiOS 5.2.1 : Usability Enhancements : FortiView Dashboards : Sources
  
Sources
The Sources dashboard shows information about the sources of traffic on your FortiGate unit, including user and device. Additional columns show information about sessions and bytes sent or received.
This dashboard can be filtered by source IP, source device, source interface, destination interface, and policy ID.
Figure 7: The Sources dashboard