RADIUS Settings
FreeRADIUS configuration and NAS settings
For detailed RADIUS configuration, visit the Settings → RADIUS page.
What is a NAS (Network Access Server)?
A NAS is the device that sends authentication requests to the RADIUS server. Your pfSense or OPNsense firewall acts as the NAS. Each NAS must have a unique IP address and shared secret.
Port Information
| Port | Protocol | Usage |
|---|---|---|
| 1812 | UDP | Authentication |
| 1813 | UDP | Accounting (session tracking) |