A: No. pfSense CE is completely open-source and does not phone home. Only pfSense Plus and AutoConfigBackup services transmit the serial (over encrypted TLS).
| Feature | pfSense CE (Community) | pfSense Plus (on Netgate HW) | pfSense Plus (VM/Whitebox) | | :--- | :--- | :--- | :--- | | | No | Yes (Hardcoded) | Yes (Software Key) | | Where to find it? | N/A or Motherboard S/N | System > General Setup | System > General Setup | | TAC Support eligibility | No | Yes | Yes (with subscription) | | AutoConfigBackup | Yes (but limited) | Yes (full) | Yes (with license) | | CE to Plus upgrade | N/A | Auto via serial | Requires purchase | pfsense serial number
If you search for "pfsense serial number" hoping to unlock pfSense Plus for free on an old Dell PC, you will be disappointed. The serial number is not a crack; it is a hardware-bound identifier or a paid license key. Part 7: Automation – Querying the Serial Number via API For DevOps and large-scale deployments, you can pull the serial number programmatically. Using the pfSense REST API (pfSense 2.5+): curl -k -u "API_KEY:API_SECRET" https://pfSense-IP/api/v1/system/status The response includes serial in the JSON output. Using PHP from the Shell (Direct): pfSsh.php print_r(get_single_sysctl('system.serial')); This returns the raw serial string for scripting purposes. Using SNMP: If SNMP is enabled, the serial is often found in: NET-SNMP-AGENT-MIB::nsAssetID | Feature | pfSense CE (Community) | pfSense
A: Yes. Log into the WebGUI (System > General Setup) or use dmidecode -s system-serial-number via SSH. If you cannot boot, the serial is sometimes printed on the PCB inside the device (warranty void if opened). Part 7: Automation – Querying the Serial Number