| CiscoSecure ACS, when running on Windows NT, has five modules. Microsoft Service Control Panel can start or stop each module and the CiscoSecure ACS browser interface can start each module individually or as a group. Administration service. CSAdmin is a service for the internal Web browser. CiscoSecure ACS is configured through a Web browser, which must be running during the configuration process. Authentication and Authorization. CS Auth is responsible for granting access and defining privileges associated with a user.