https://www.cisco.com/c/en/us/support/docs/field-notices/742/fn74284.html
Field Notice: FN74284 - Cisco Firepower Device Manager: Some Firepower Software Releases Might Not...
The Cisco Secure Firewall Device Manager (FDM) uses a client-side certificate to authenticate with the Cisco Talos threat intelligence service to download...
cisco firepowerdevice manager