mib / oids for cisco secure firewall

 Recommended official sources to download/browse MIBs:

- Secure Firewall SNMP MIB Reference Guide (HTML):  

  https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/mib/cisco-secure-firewall-mib-reference-guide.html

- Secure Firewall SNMP MIB Reference Guide (PDF):  

  https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/mib/cisco-secure-firewall-mib-reference-guide.pdf

- Cisco SNMP Object Navigator (look up OIDs/MIB names):  

  https://snmp.cloudapps.cisco.com/Support/SNMP/do/BrowseOID.do?local=en

- Cisco public MIB repository:  

  https://github.com/cisco/cisco-mibs

- SNMP configuration guidance for Firepower/FTD (also includes common OID references):  

  https://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/213971-configure-snmp-on-firepower-ngfw-applian.html