With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fgFirewallObjectGroup
fg Firewall Object Group
1.3.6.1.4.1.12356.101.100.9
Objects pertaining to Firewall functionality on FortiGate devices.
Back to FORTINET-FORTIGATE-MIB MIB page.
IPHost Network monitor allows you to monitor fgFirewallObjectGroup on Fortinet device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Fortinet access points right now.