Unknown User Processing - Cisco 2509 - Router - EN User Manual

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Unknown User Processing

78-14696-01, Version 3.1

Administering External User

After you have configured Cisco Secure Access Control Server

(Cisco Secure ACS) for Windows Server version 3.1 to communicate with an

external user database, you can decide how to implement other Cisco Secure ACS

features related to external user databases. To address these features, this chapter

contains the following sections:

Unknown User Processing, page 12-1

Database Group Mappings, page 12-11

For information about the databases supported by Cisco Secure ACS and how to

configure Cisco Secure ACS to communicate with an external user database, see

Chapter 11, "Working with User Databases."

Unknown users are users who are not listed in the Cisco Secure ACS database.

The Unknown User feature is a form of authentication forwarding. In essence, this

feature is an extra step in the authentication process. In this additional step of the

authentication process, if the username does not exist in the Cisco Secure ACS

database, Cisco Secure ACS forwards the authentication request of an incoming

username and password to external databases with which it is configured to

communicate.

C H A P T E R

User Guide for Cisco Secure ACS for Windows Server