CCNA Security – Chapter 3 Case Study Objectives • Explain the function and operation of the authentication, authorization, and accounting (AAA) protocol. • Describe the importance of AAA as it relates to authentication, authorization, and accounting • Explain server-based AAA Scenario Superior Health Care System Inc. The transition team is responsible for developing and implementing a new authentication, authorization and accounting (AAA) system to manage all networking devices. Your group has been asked to perform the task as part of this initiative. Tasks 3.1 • Research the current protocols used to perform AAA services. Develop a table to compare and contrast the advantage of each. • Research the different services on both Microsoft and UNIX/Linux platforms to perform AAA services. Include the following information: o Name of the products o Cost o Recommended capacity (number of users) o Support for redundancy Tasks 3.2 The audit will require us to strengthen our authentication process. Provide the following information related to strengthening the authentication process. • Recommendations on implementing enhanced password requirements (this must be based on industry or NSA recommendations) • List of all authentication features included in the 12.4T IOS for our Cisco routers • List of authentication methods supported by our 12.4T IOS Cisco routers • Research and compare & contrast between TACACS+ and Radius in reference to AAA. © 2009 Cisco Learning Institute