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TABLE 10-46. Policy Server for Cisco NAC components (Continued)
COMPONENT DESCRIPTION
Network Access
Device
Cisco Secure
Access Control
Server (ACS)
Policy Server for Cisco NAC
A network device that supports Cisco NAC functionality.
Supported Network Access Devices include a range of
Cisco routers, firewalls, and access points, as well as
third-party devices with Terminal Access Controller Access
Control System (TACACS+) or the Remote Dial-In User
Service (RADIUS) protocol.
For a list of supported devices, see Supported Platforms and
Requirements on page 10-21.
A server that receives OfficeScan client antivirus data from
the client through the Network Access Device and passes
it to an external user database for evaluation. Later in the
process, the ACS server also passes the result of the evaluation,
which may include instructions for the OfficeScan
client, to the Network Access Device.
Policy Server A program that receives and evaluates OfficeScan client
antivirus data. After performing the evaluation, the Policy
Server determines the actions the OfficeScan client should
carry out and then notifies the client to perform the
actions.
OfficeScan server Reports the current Virus Pattern and Virus Scan Engine
versions to the Policy Server, which uses this information
to evaluate the OfficeScan client’s antivirus status.
10-3