Fortinet FortiGate 1U Quick Start Manual page 76

Create a second security policy that allows
connections from the web server to the
internal users' network and to the Internet
using any service.
Results
Connect to the web server from the internal
network and surf the Internet from the server
itself.
Go to Log & Report > Traffic Log >
Forward Traffic to verify that there is traffic
from the internal to wan1 interface.
56 The FortiGate Cookbook 5.0.