ZyXEL UAG4100 User Guide - Page 459
AAA Server
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CHAPTER 42 AAA Server 42.1 Overview You can use a AAA (Authentication, Authorization, Accounting) server to provide access control to your network. The AAA server can be a RADIUS server. Use the AAA Server screens to create and manage objects that contain settings for using AAA servers. You use AAA server objects in configuring ext-group-user user objects and authentication method objects (see Chapter 43 on page 464). 42.1.1 RADIUS Server RADIUS (Remote Authentication Dial-In User Service) authentication is a popular protocol used to authenticate users by means of an external server instead of (or in addition to) an internal device user database that is limited to the memory capacity of the device. In essence, RADIUS authentication allows you to validate a large number of users from a central location. Figure 311 RADIUS Server Network Example 42.1.2 What You Can Do in this Chapter Use the Configuration > Object > AAA Server > RADIUS screen (Section 42.2 on page 460) to configure the default external RADIUS server to use for user authentication. 42.1.3 What You Need To Know AAA Servers Supported by the UAG The following lists the types of authentication server the UAG supports. • Local user database The UAG uses the built-in local user database to authenticate administrative users logging into the UAG's Web Configurator or network access users logging into the network through the UAG. UAG Series User's Guide 459
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