User authentication Remote Authentication Dial-In User Service (RADIUS)
Digi Connect IT® 16/48 User Guide
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Remote Authentication Dial-In User Service (RADIUS)
Your Connect IT 16/48 device supports Remote Authentication Dial-In User Service (RADIUS), a
networking protocol that provides centralized authentication and authorization management for
users who connect to the device. With RADIUS support, the Connect IT 16/48 device acts as a RADIUS
client, which sends user credentials and connection parameters to a RADIUS server over UDP. The
RADIUS server then authenticates the RADIUS client requests and sends back a response message to
the device.
When you are using RADIUS authentication, you can have both local users and RADIUS users able to
log in to the device. To use RADIUS authentication, you must set up a RADIUS server that is accessible
by the Connect IT 16/48 device prior to configuration. The process of setting up a RADIUS server
varies by the server environment. An example of a RADIUS server is FreeRADIUS.
This section contains the following topics:
RADIUS user configuration 525
RADIUS server failover and fallback to local configuration 525
Configure your Connect IT 16/48 device to use a RADIUS server 526
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