Pfsense Serial Number [patched]
To request Technical Assistance Center (TAC) support for your appliance.
Occasionally, users have reported that after a firmware or BIOS update on a Netgate appliance, the dashboard displays strange symbols or a blank field instead of the serial number. This is often a known cosmetic issue. If you encounter this, the recommended course of action is to contact Netgate support directly. They can provide a fix, and as one affected user noted, "Netgate Customer Support worked like a charm".
Connect your console cable to the pfSense device and open your terminal emulator at . Reboot the pfSense device. Watch the scrolling text during the boot sequence.
This command requires the dmidecode package to be installed ( pkg_add -r dmidecode ), but it provides access to the underlying hardware serial number stored in the BIOS. pfsense serial number
The fastest way to find your serial number is through the pfSense Web Graphical User Interface (WebGUI). This method works for all official Netgate appliances running pfSense Plus.
Essential for tracking hardware in data centers or multi-site deployments.
Connect to your pfSense device via SSH or a physical serial console cable. Log in as root or an admin user. To request Technical Assistance Center (TAC) support for
Look for a label labeled "S/N," "Serial Number," or simply a 10–12 digit alphanumeric code. Method 2: The pfSense Dashboard (WebGUI)
If you clean-install pfSense Community Edition over an official Netgate appliance, the WebGUI may lose the ability to easily display the factory serial number in the main dashboard. Running the dmidecode command in the shell will still extract the underlying hardware serial number from the chassis EEPROM/BIOS.
Navigate to the (usually the default landing page). Locate the System Information widget. Look for the Serial field. If you encounter this, the recommended course of
The serial number is printed on the shipping box label next to the MAC address and SKU. How to Identify It:
Look at the widget in the top-left corner.
| 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. |
On the dashboard, you'll see both the (the real hardware serial on Netgate devices) and the Netgate Device ID . When contacting Netgate's TAC (Technical Assistance Center) or registering for a support subscription, you will need to provide the Netgate Device ID from your firewall.
At the Netgate factory in Texas, each motherboard destined for a firewall appliance undergoes a . A technician inserts a USB drive with a custom imaging tool. The tool does three things:
