WebTrends server
A WebTrends server is a remote computer, similar to a Syslog server, running NetIQ WebTrends firewall reporting server. FortiGate log formats comply with WEbTrnds Enhanced Log Format (WELF) and are compatible with NetIQ WebTrends Security Reporting Center and Firewall Suite 4.1.
You can configure a WebTrends server only in the CLI.