Log in to the pfSense web interface. Navigate to System > Information (or System > Settings in some versions). The serial number is displayed here.
: If you are using a third-party server (like Dell or HP), pfSense may display the hardware serial number in the same widget, provided the BIOS populates that field. If it's not found, you may see a "Host UUID" instead. 2. Locate Serial Number via Command Line (CLI) pfsense serial number
Your pfSense serial number will be displayed in this section. The serial number is usually a long string of characters, such as 1234567890abcdef . Log in to the pfSense web interface
| Command | Purpose | Context | | :--- | :--- | :--- | | dmidecode -t system | View full hardware info (Manufacturer, Model, S/N) | Useful for identifying generic hardware. | | pfSsh.php playback enablesshd | Enable SSH if locked out | Allows remote CLI access to find serial. | | cat /var/etc/platform | Check installed platform | Confirms if running CE or Plus. | : If you are using a third-party server