April 2011
Intermediate to advanced
368 pages
11h 36m
English
Content preview from Secure Roaming in 802.11 Networks
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Fundamentals of User Authentication in 802.11
6.3 The AAA Server
6.3.1 Introduction
We introduced the concepts of Authentication, Authorization, and Accounting in Chapter 1.
Figure 6.2 illustrates a generalized view of a traditional dial-up AAA environment, including
the remote access server and AAA server. The generic term for the remote access server in an
AAA architecture is the Network Access Server that we introduced earlier in the context of
802.1X. The role of the AAA server is to make authentication and authorization decisions for
the network. The server processes the credentials transmitted from the client requesting
admission and the server ...
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