In turn, enforces policy items like antivirus signature file version and OS That it also implements security policy verification of host credentials. The best part about Cisco Secure Access Control Server is Additionally, you have a choice of downloading access lists and VLANĪssignment to the NAD, to control the PC host. The Cisco Secure Access Control Server judges the state or health of Generally speaking, Cisco Secure AccessĬontrol Server connects with the Cisco Trust Agent to build much of the NACįramework. Exactly what is this? The short answer is that Cisco ACS isĬisco Secure Access Control Server plays a prominent role inĬisco NAC as a policy decision point. When learning about and implementing Cisco NAC, there are The UNIX version of Cisco ACS has been discontinued. The appliance version is called the CiscoĪCS Solution Engine. You can obtain Cisco ACS in either a Windows However, beginning with ACS version 4.0, CiscoĪCS is performing the same authentication, authorization, and accountingįunctions for networks that are NAC-enabled. Traditionally, this was just needed for dial-up users over modem phone lines What when you logged in and out, as well as what you were granted access to). Figure A shows anĮxample of how Cisco ACS plays a role in the typical network for wireless networkĬisco ACS not only centralizes authentication (who you are)īut also authorization (what you can access) and accounting (the logging of Two major AAA protocols namely, TACACS+ and RADIUS. Cisco Secure Access Control Server supports PIX firewalls, and network access servers. Secure Access Control Server (ACS) to offer authentication, accounting, andĪuthorization services to network devices. When implementing Cisco’s Network Access Control (CNAC). However, today the Cisco ACS server is being used as the central posture server Typically, you only hear about the importance of the CiscoĪCS server for VPN and dial-up authentication, authorization, and accounting.

David Davis explains the role of the Cisco ACS server as part of its NAC solution. Besides being a Cisco NAC AAA server, Cisco ACS also performs AAA for wireless LAN devices, dial-up users, VPN users, and more. The Cisco ACS server is a vital part of Cisco's NAC solution. SolutionBase: Understanding the critical role of Cisco’s Access Control Server in Cisco NAC

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