Radius server what is

All other tradenames are the property of their respective owners. Submit Search. Account Settings Logout. The device reads the user name and password. The password is always encrypted in the Access-Request message. If the RADIUS server is not configured to accept the device as a client, the server discards the Access-Request message and does not send a message back.

If the device is a client known to the RADIUS server and the shared secret is correct, the server looks at the authentication method requested in the Access-Request message. If the Access-Request message uses an allowed authentication method, the RADIUS server gets the user credentials from the message and looks for a match in a user database.

The caller uses the ID, random number, and its CHAP security credentials to generate the response handshake to send to the peer.

The Access-Request message has a username and password which is always encrypted in it. Once the access policy is found for that user, the user will be then prompted for MFA if enabled. For this, an Access-Challenge Request is initiated. The response to the Access-Challenge request will be provided by the user by entering an OTP or accepting a push notification, depending on the 2FA method, that response will be validated by the Radius Server.

If there is no matching access policy or invalid response, then the server will send an Access-Reject message.

If the shared secret matches, the Client reads the value of the Filter ID attribute. Foxpass August 3, at am. Thanks for sharing! Enterprise Networks Both wired and wireless Educational Institutions Eduroam and WiFi.

Fast, feature-rich, modular, and scalable. View full release notes. See why we're 1. Get involved with The FreeRADIUS Server Project Our comprehensive support for protocols, data stores, directories, databases, and language integrations would not be possible without contributions from the community. View coding styles. It matches the user credentials against the user database.

If there is no matching policy, then the server sends an Access-Reject message. If the shared secret matches, the Client reads the value of the Filter ID attribute. The Filter ID is a string of text. The request packet comprises the user ID, network address, session identifier, and point of access. These packets include details like the current session duration and data usage.