: Often displayed in a dashboard widget if the hardware is recognized. If the hardware is a generic "white box" or a custom build, the system may show a Host UUID instead.
On pfSense Community Edition (CE) running on generic PC hardware, this field will often be blank or display "N/A." This is normal because CE does not require a license for generic hardware. pfsense serial number
The easiest way to find the serial number is through the pfSense WebGUI dashboard . : Often displayed in a dashboard widget if
On Netgate hardware, a small silver sticker on the underside of the device (or near the power port) lists: The easiest way to find the serial number
If you want, tell me the device model or whether you’re using a Netgate appliance vs. a community install and I’ll give exact menu paths and screenshots-ready steps.