With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fnSysZoneBlkTraffic
fn Sys Zone Blk Traffic
1.3.6.1.4.1.12356.1.3.6.1.4
Block intro-zone traffic
Back to FORTINET-MIB MIB page.
IPHost Network monitor allows you to monitor fnSysZoneBlkTraffic on Fortinet device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Fortinet firewalls right now.