Apparatus and method for using a directory service for...

Details Apparatus and method for using a directory service for... Apparatus and method for using a directory service for...

2008-01-15

2008-01-15

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C713S160000, C713S161000, C713S162000

Reexamination Certificate

active

11427294

ABSTRACT:
An apparatus and method use the built-in authentication and authorization functions of a directory service to perform authentication and authorization for resources that are external to the directory service. A Lightweight Directory Access Protocol (LDAP) service is used in the preferred embodiments. The LDAP directory includes built-in functions for authenticating a user that requests access to an entry. Each resource that needs to be protected is mapped to an entry in the LDAP directory. These entries that correspond to protected resources external to the LDAP directory are called proxy entries. Proxy entries contain the authorization information for the corresponding protected resource in the form of an access control list for each entry that specifies the authorized users of the entry. When a user needs to access a protected resource, the user or an application uses the LDAP directory to determine whether the user is authenticated and authorized to access the proxy entry in the directory that corresponds to the resource. If the user is authenticated and authorized to access the proxy entry, the user may then access the corresponding external protected resource. The present invention thus allows the use of the internal LDAP authentication and authorization functions to determine which users are allowed to access protected resources that are external to the LDAP directory.

REFERENCES:
patent: 5935210 (1999-08-01), Stark
Heinz Johner, Larry Brown, Franz-Stephan Hinner, Wolfgang Reis, Johan Westman, Understanding LDAP, Jun. 1998, IBM, International Technical Support Organization.

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