By Vivek Santuka
Cisco's entire, authoritative advisor to Authentication, Authorization, and Accounting (AAA) recommendations with CiscoSecure ACS
This is the 1st whole, authoritative, single-source advisor to imposing, configuring, and dealing with Authentication, Authorization and Accounting (AAA) id administration with CiscoSecure entry regulate Server (ACS) four and five. Written through 3 of Cisco's such a lot 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 via ACS. each one of this book's six sections specializes in particular Cisco units and their AAA configuration with ACS. every one bankruptcy covers configuration syntax and examples, debug outputs with factors, and ACS screenshots. Drawing at the authors' adventure with numerous thousand aid situations in organisations of all types, AAA id administration Security provides pitfalls, warnings, and guidance all through. every one significant subject concludes with a pragmatic, hands-on lab state of affairs comparable to a real-life resolution that has been generally carried out by means of Cisco clients. This booklet brings jointly the most important details that used to be formerly scattered throughout a number of resources. it will likely be quintessential 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
AAA client may grant or deny access to the service shell. Simple TACACS+ Authorization The RESPONSE message (in step 3 in Figure 1-8) contains one of the following replies: A FAIL response from the server indicates that the services requested for authorization are not granted. If the server responds with a PASS_ADD, the request is authorized and the information returned in the RESPONSE is used in addition to the requested information. If no additional arguments are returned by the AAA server in the RESPONSE, the request is authorized.
Identity information is based on one of the following: External database and external database group membership; for example, users in Active Directory or a Lightweight Directory Access Protocol (LDAP) database and their group membership in these external databases A user in ACS internal database and its group membership on ACS Restrictions or conditions compose access control, such as time of day or day of week access specification, restriction of access to network devices, and so on. 1x, and so on.
This is sent when a service is still in progress and allows the AAA client to provide updated information to the AAA server. As seen in the previous records, this also includes information that was included in the authorization process, as well as information specific to the account. Note A record can be sent as both a Start record and a Continue record. This indicates that the Continue record is a duplicate of the Start record. Accounting also uses the two message types that authorization uses, a REQUEST and a RESPONSE.