Cisco ® Secure Access Control System (ACS) is a centralized identity and access policy solution that ties together an enterprise's network access policy and identity strategy. Cisco Secure ACS 5.2 is a next-generation platform that delivers major capabilities, including:

• A powerful, attribute-driven rules-based policy model that addresses complex policy needs in a flexible manner
• A lightweight, web-based graphical user interface (GUI) with intuitive navigation and workflow
• Integrated advanced monitoring, reporting, and troubleshooting capabilities for maximum control and visibility
• Improved integration with external identity and policy databases, including Windows Active Directory and Lightweight Directory Access Protocol (LDAP)-accessible databases, simplifying policy configuration and maintenance
• A new distributed architecture for large-scale deployments

• PAP
• CHAP
• EAP
• MD5
• TACACS+