By Vivek Santuka
Cisco's whole, authoritative advisor to Authentication, Authorization, and Accounting (AAA) strategies with CiscoSecure ACS
This is the 1st whole, authoritative, single-source consultant to imposing, configuring, and dealing with Authentication, Authorization and Accounting (AAA) identification administration with CiscoSecure entry regulate Server (ACS) four and five. Written via 3 of Cisco's so much skilled CiscoSecure product aid specialists, it covers all AAA strategies (except NAC) on Cisco routers, switches, entry issues, firewalls, and concentrators. It additionally completely addresses either ACS configuration and troubleshooting, together with using exterior databases supported by means of ACS. every one of this book's six sections makes a speciality of particular Cisco units and their AAA configuration with ACS. each one bankruptcy covers configuration syntax and examples, debug outputs with motives, and ACS screenshots. Drawing at the authors' event with a number of thousand aid circumstances in organisations of all types, AAA id administration Security provides pitfalls, warnings, and counsel all through. each one significant subject concludes with a pragmatic, hands-on lab situation comparable to a real-life answer that has been extensively applied by way of Cisco shoppers. This ebook brings jointly an important details that used to be formerly scattered throughout a number of resources. it will likely be fundamental to each specialist operating CiscoSecure ACS four or five, in addition to all applicants for CCSP and CCIE (Security or R and S) certification.
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Extra info for AAA Identity Management Security
Table 2-2 Cisco Secure Access Control System Menu Options Menu Option Description My Workspace Section provides access to task guide and shortcuts to common tasks. Network Resources AAA clients, network devices, and network device group are configured under this section, which can later on be used as elements for a policy. User and Identity Internal user and external databases such as LDAP, Active Directory, RSA Stores SecurID Token Server. In this section, certificate-related configuration is also done.
The AAA client receives the connection request from the user. Figure 1-7 TACACS+ Messaging The section that follows covers the authentication portion of TACACS+. Chapter 1: Authentication, Authorization, Accounting (AAA) TACACS+ and Authentication When authentication is performed in TACACS+, three distinct packet exchanges take place. The three types of packets are as follows: ■ START: This packet is used initially when the user attempts to connect. ■ REPLY: Sent by the AAA server during the authentication process.
As a server returns an Access-Accept message, it also includes the list of AV pairs that the user is authorized for. RADIUS Accounting RADIUS accounting is performed by sending messages at the start and the stop of a session. These messages include information about the session. Information that might be included includes time, packets, bytes, and so on. These messages are sent using UDP port 1813. The accounting process for RADIUS is seen in RFC 2866. The messages sent between the AAA server and the AAA client are Accounting-Request and AccountingResponse.