What You Need To Know - ZyXEL Communications ZYWALL USG 20 Manual

• Use the Configuration > Object > AAA Server > RADIUS screen
37.3 on page
user authentication.

37.1.5 What You Need To Know

AAA Servers Supported by the ZyWALL
The following lists the types of authentication server the ZyWALL supports.
• Local user database
The ZyWALL uses the built-in local user database to authenticate administrative
users logging into the ZyWALL's Web Configurator or network access users
logging into the network through the ZyWALL. You can also use the local user
database to authenticate VPN users.
• Directory Service (LDAP/AD)
LDAP (Lightweight Directory Access Protocol)/AD (Active Directory) is a
directory service that is both a directory and a protocol for controlling access to
a network. The directory consists of a database specialized for fast information
retrieval and filtering activities. You create and store user profile and login
information on the external server.
• RADIUS
RADIUS (Remote Authentication Dial-In User Service) authentication is a
popular protocol used to authenticate users by means of an external or built-in
RADIUS server. RADIUS authentication allows you to validate a large number of
users from a central location.
Directory Structure
The directory entries are arranged in a hierarchical order much like a tree
structure. Normally, the directory structure reflects the geographical or
ZyWALL USG 20/20W User's Guide
579) to configure the default external RADIUS server to use for
Chapter 37 AAA Server
(Section
575