When this packet is received by the radius server a few actions will take place. The source ip of the packet will be checked to see if it’s allowed to send traffic to the radius server. The User-Name will be checked to see if it’s valid and allowed to connect. The password will be verified.

RADIUS is a client-server protocol that enables network access equipment (used as RADIUS clients) to submit authentication and accounting requests to a RADIUS server. A RADIUS server has access to user account information and can check network access authentication credentials. Configuring Authentication with a RADIUS Server Primary Server. Radius Server. Specify the name or IP address of the RADIUS server. Authentication Port. Specify the authentication port value for the RADIUS server. Default port number: 1812, 1645 (legacy servers) NAS-IP-Address. Specify the NAS IP address. NOTE: If you leave this field empty, the internal IP address is passed to RADIUS requests. What is RADIUS | AXL RADIUS Many modern applications use the accounting function for Mobil-IP and VOIP (Voice over IP). Software can use the RADIUS protocol to authenticate, provision, and provide accounting services for software applications. What is a RADIUS Server? A RADIUS server provides a single point authentication and accounting services for dialup systems RADIUS Attributes Configuration Guide - RADIUS NAS-IP Jan 21, 2018

How to configure SSH authentication to a FreeRADIUS server

The problem is, the RADIUS server needs for the password to be stored in plaintext in order to properly hash it so that it can get a result that it can accurately compare to the responses it receives. That’s a problem. Should your RADIUS server be compromised, every …

RADIUS is a relatively simple, transactional protocol. Clients, such as remote access server, FirePass, BIG-IP, etc. originate RADIUS requests (for example, to authenticate a user based on a user/password combination) and then wait for a response from the RADIUS server.

In the external RADIUS server, the IP address of the Virtual Controller is configured as the NAS IP address. Instant RADIUS is implemented on the Virtual Controller, and this feature eliminates the need to configure multiple NAS clients for every IAPon the RADIUS server for client authentication.