Pfsense Serial Number [portable]
| Method | Steps | |--------|-------| | | System > General Setup → Look for “Serial Number” field (read‑only) | | Dashboard | System > Dashboard → System Information widget shows “Serial Number” | | Console / SSH | Run pfSense-upgrade -d or cat /etc/version (some versions) | | Shell command (Unix) | sqlite3 /conf/config.xml "SELECT value FROM system WHERE attribute='serial';" | | Backup file | Inspect /conf/config.xml – search for <serial> tag |
: If you are running pfSense on non-Netgate hardware, this field may display a host UUID instead of a serial number. 2. Command Line (CLI/SSH) pfsense serial number
Every official Netgate appliance ships with a physical identification label affixed to the chassis. If your device fails to power on, this is the only way to retrieve the number. Where to Look: | Method | Steps | |--------|-------| | |
For larger deployments, consider implementing automated inventory collection using the command-line methods described earlier. The ability to remotely query kenv smbios.system.serial or sysctl dev.netgate.model across multiple devices streamlines asset management and compliance tracking. If your device fails to power on, this
dmidecode -s system-serial-number
On Netgate appliances with U-Boot bootloaders, an alternative variable may be used: