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Security Dictionary
Can't tell 'smtp' from 'snmp'? Find the precise meaning of these and hundreds of other security-related terms in our convenient and up-to-date Security Dictionary.
Remote Authentication Dial-In User Service (RADIUS)
(I) An Internet protocol [R2138] for carrying dial-in users'
authentication information and configuration information between a
shared, centralized authentication server (the RADIUS server) and
a network access server (the RADIUS client) that needs to
authenticate the users of its network access ports. (See: TACACS.)
(C) A user of the RADIUS client presents authentication
information to the client, and the client passes that information
to the RADIUS server. The server authenticates the client using a
shared secret value, then checks the user's authentication
information, and finally returns to the client all authorization
and configuration information needed by the client to deliver
service to the user.
