With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfwBasicEventsTable
Cisco Firewall Basic Events Table
1.3.6.1.4.1.9.9.147.1.1.1.2
Table of basic data for firewall events. The agent may choose to delete the instances of cfwBasicEventsEntry as required because of lack of memory. The oldest Events will be selected first for deletion.
Back to CISCO-FIREWALL-MIB MIB page.
IPHost Network monitor allows you to monitor cfwBasicEventsTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.