Pfsense Serial Number ~upd~ Here
The serial number (and the Netgate Device ID) is the key that unlocks official support and certain software features.
For users on Netgate hardware, the term "serial number" often refers to the physical device's serial number, which is used to register the device and tie it to manufacturing records.
Migrating or registering pfSense Plus licenses relies on a combination of the hardware Netgate Device ID (NDI) and the physical serial number. 2. Locate the Serial Number via the pfSense WebGUI
You can find the serial number for a pfSense device—particularly official Netgate hardware—using several methods through the interface, command line, or physical hardware. 1. pfSense WebGUI (Dashboard) The most direct way is via the browser: System Information Widget : On the main dashboard, look for the System Information For official Netgate hardware, the field will explicitly display your unit's serial number.
A cryptographic hash generated by pfSense software based on your system's unique hardware components (like the motherboard UUID or MAC addresses). pfsense serial number
The serial number is printed next to or below the barcode, typically labeled or Serial . Method C: The Command Line Interface (CLI)
Is your device an or a custom build ? Are you running pfSense Plus or pfSense Community Edition ?
Navigate to the main page (usually the default landing page, or accessible via Status > Dashboard ). Locate the System Information widget. Look for the Serial Number field.
If your official Netgate appliance loses its hardware identity string after a corrupt upgrade, contact Netgate Support immediately with a photo of your physical chassis barcode to restore your software access. The serial number (and the Netgate Device ID)
Alternatively, on newer Netgate hardware, run:
A pfSense serial number is more than a sticker. It’s the device’s identity token—linking hardware, cloud backup, support contracts, and firmware integrity into one unbroken chain. Without it, pfSense is just software. With it, it’s a supported, recoverable, enterprise-ready appliance.
/bin/kenv -q smbios.system.serial
Open your web browser and enter your pfSense firewall's IP address (e.g., https://192.168.1.1 ). Log in using your administrator credentials. pfSense WebGUI (Dashboard) The most direct way is
For official Netgate appliances (such as the SG series, 1100, 2100, 3100, 4200, 5100, 7100, 8860, and others), the serial number corresponds to the physical device's unique hardware identifier. These are genuine manufacturer-assigned serial numbers that Netgate uses to track warranty status, support entitlements, and software licensing.
The easiest way to find your serial number is through the web interface. Navigate to the main dashboard. Look for the System Information Official Hardware: If you are using a Netgate appliance, the Serial Number
: The serial number is also typically listed on the original packaging box Netgate Documentation Important Distinction: Serial Number vs. NDI
