## Presentation Device Driver Reference for OS/2

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### The Security Administrator

The security administrator is necessary for secure DCAF only. It provides centralized maintenance of the databases for controllers, target access tables, secure target workstations, and security authenticators. Install one security administrator, typically on a controller, for your entire network if you are using secure DCAF. Safeguard this workstation from unauthorized access.

The security administrator keeps an encrypted database of authorized users, as well as an audit log file, EQNADMN.LOG. To be able to transfer security database files to the security authenticator, you must install either the security authenticator or a controller on the same workstation as the security administrator.