Free - Pfsense Serial Number

When managing a pfSense firewall, the "serial number" can refer to two different things: the (relevant for appliances like Netgate SG-1100, SG-3100, etc.) or the software license serial number (relevant for pfSense Plus).

If the serial number does not appear in the WebGUI, you can attempt to pull it directly from the hardware's DMI (Desktop Management Interface) data using the shell: pfsense serial number

: The serial number is also typically listed on the original packaging box Netgate Documentation Important Distinction: Serial Number vs. NDI When managing a pfSense firewall, the "serial number"