With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cspPsVirtualPort
csp Ps Virtual Port
1.3.6.1.4.1.9.9.370.1.2.1.1.6
The virtual TCP port number. This port number is used by the data source to send data that can be received by the proxy device and forwarded to the destination.
Back to CISCO-SSL-PROXY-MIB MIB page.
IPHost Network monitor allows you to monitor cspPsVirtualPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.