ZyXEL ZyWALL 2 Plus User Guide - Page 324
The Local User Database Screen
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Chapter 16 Authentication Server Screens Types of RADIUS Messages The following types of RADIUS messages are exchanged between the ZyWALL and the RADIUS server for user authentication: • Access-Request Sent by an access point requesting authentication. • Access-Reject Sent by a RADIUS server rejecting access. • Access-Accept Sent by a RADIUS server allowing access. • Access-Challenge Sent by a RADIUS server requesting more information in order to allow access. The access point sends a proper response from the user and then sends another Access-Request message. The following types of RADIUS messages are exchanged between the ZyWALL and the RADIUS server for user accounting: • Accounting-Request Sent by the access point requesting accounting. • Accounting-Response Sent by the RADIUS server to indicate that it has started or stopped accounting. In order to ensure network security, the ZyWALL and the RADIUS server use a shared secret key, which is a password, they both know. The key is not sent over the network. In addition to the shared key, password information exchanged is also encrypted to protect the network from unauthorized access. 16.2 The Local User Database Screen Click SECURITY > AUTH SERVER to open the Local User Database screen. The local user database is a list of user profiles stored on the ZyWALL. The ZyWALL can use this list of user profiles to authenticate users. Use this screen to change your ZyWALL's list of user profiles. 324 ZyWALL 2 Plus User's Guide
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