Glossary of Terms
Chapter 452
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
