Pfsense Serial Number Guide

: On non-Netgate (generic) hardware, pfSense typically displays a randomly generated UUID (kern.hostuuid) in place of a hardware serial number to maintain a unique system identifier.

: On official Netgate appliances, the serial number is usually printed on a sticker on the bottom or back of the device. Console/SSH Banner Netgate Device ID (NDI) pfsense serial number

Here are some best practices for managing your pfSense serial number: You are running pfSense CE on non-Netgate hardware (e

The easiest way is to look at the hardware. Alex panicked

You are running pfSense CE on non-Netgate hardware (e.g., Protectli, Dell Optiplex, Supermicro, or a VM).

One Tuesday morning, their primary SG-3100 firewall began rebooting every 20 minutes. The library’s patron internet died. Alex panicked. The device was out of warranty, but he had purchased a tied to the device’s serial number.

Example command structure (card specific):