as the base for a RADIUS server on IBM developerWorks.
"As a network administrator, you need to keep administrative user information for each network device you need to manage. But network devices usually support only limited functions for user management. Learn how to use an external RADIUS server on Linux to authenticate users, particularly against an LDAP server, allowing you to centralize user information stored in the LDAP server and authenticated by the RADIUS server, thereby both reducing administrative overhead on user management and making the remote login process more secure.
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