Cisco Secure ACS Remote Agent for Windows and Cisco Secure ACS Remotern Agent for Solaris are applications that support Cisco Secure ACSrn Appliance for remote logging. Forwarding all accounting data from anrn appliance to a remote agent preserves disk space on the appliance. Itrn also improves AAA performance by eliminating the frequent andrn time-consuming disk writes required for local logging on anrn appliance. The Windows remote agent also supports Microsoft Windowsrn authentication. If you want to support Microsoft Windowsrn authentication with Cisco Secure ACS Appliance, you must use Ciscorn Secure ACS Remote Agent for Windows. Windows authentication requestsrn must be submitted from a computer that is a member of a trustedrn Microsoft Windows domain. Because a Cisco Secure ACS Appliance cannotrn be a member of a Microsoft Windows domain, we provide Cisco Securern ACS Remote Agent for Windows. As an application running on a computerrn that belongs to a trusted Microsoft Windows domain, the remote agentrn can successfully pass authentication requests to the domain. Thern remote agent submits to Microsoft Windows each authentication requestrn it receives from an appliance. When it receives the authenticationrn response, the remote agent forwards the response to the appliancern that initiated the request. All communication between a remote agentrn and a Cisco Secure ACS Appliance is encrypted, using the Blowfishrn algorithm and a 128-bit key. Additionally, encryption session keysrn are randomized and exchanged between the remote agent and thern appliances it services using a public key exchange protocol.

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