Pfsense Serial Number -

For official Netgate appliances (such as the SG-2100 or XG-1541), the serial number is printed on a physical sticker. System serial number | Netgate Forum

In the WebGUI, navigate to Diagnostics > Command Prompt and execute the dmidecode command if you don't have SSH enabled. 3. Physical Hardware Label pfsense serial number

For generic hardware where a serial number isn't populated in the BIOS, pfSense will display a Host UUID instead. 2. Command Line Interface (CLI) For official Netgate appliances (such as the SG-2100

You can also try running kenv to see various kernel environment variables that often include hardware identifiers. pfsense serial number