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Glossary of Terms
Chapter 446
Administrator
Special user, known by the system on which the AAA server is running and
is able to configure and to manage the AAA server.
Application Service Provider
Third-party entities that manage and distribute software-based services
and solutions to customers across a wide area network from a central data
center, abbreviated as ASP.
ASP
Application Service Provider.
Attribute-Value Pair
The RADIUS protocol defines things in terms of attributes. Each attribute
may take on one of a set of values. When a RADIUS packet is exchanged
among clients and servers, one or more attributes and values are sent pair
wise from the client to the server. For the AAA Server software, all valid
attributes and values are listed in the dictionary file, abbreviated as A-V
pair.
Authentication
The process of identifying and proving the identity of an entity, for example,
a user, a network client, or a network server.
Authorization
The process of determining what types of activities is permitted. Usually,
authorization is in the context of authentication; once users are
authenticated, they may be authorized different types of access or activity.
A-V Pair
Attribute-value pair.
Challenge Handshake Authentication Protocol
Log-in security procedure for dial-in access. Rather than send an
unencrypted password, a random number is sent to the client as a challenge.
The challenge is one-way hashed with the password, and the result is sent
back to the server. The server does the same with its copy of the password
and verifies that it gets the same result to authenticate the user,
abbreviated as CHAP.
CHAP
See Challenge Handshake Authentication Protocol.