With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsZoneCfgTblEntry
NETSCREEN Zone Configure Tbl Entry
1.3.6.1.4.1.3224.8.1.1.1
Each entry in the table holds a set of configuration parameters associated with an instance of secure zone.
Back to NETSCREEN-ZONE-MIB MIB page.
IPHost Network monitor allows you to monitor nsZoneCfgTblEntry on Netscreen device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Netscreen firewalls right now.