AAA Identity Management Security - download pdf or read online

By Vivek Santuka

ISBN-10: 1587141442

ISBN-13: 9781587141447

Cisco's entire, authoritative advisor to Authentication, Authorization, and Accounting (AAA) strategies with CiscoSecure ACS

 

  • AAA options are very often utilized by consumers to supply safe entry to units and networks
  • AAA options are tough and complicated to enforce even supposing they're nearly essential
  • Helps IT professionals decide on the easiest identification administration protocols and designs for his or her environments
  • Covers AAA on Cisco routers, switches, entry issues, and firewalls 
  •  

    This is the 1st whole, authoritative, single-source consultant to enforcing, configuring, and dealing with Authentication, Authorization and Accounting (AAA) id administration with CiscoSecure entry regulate Server (ACS) four and five. Written by way of 3 of Cisco's such a lot skilled CiscoSecure product help specialists, it covers all AAA ideas (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 way of ACS. each one of this book's six sections makes a speciality of particular Cisco units and their AAA configuration with ACS. every one bankruptcy covers configuration syntax and examples, debug outputs with motives, and ACS screenshots. Drawing at the authors' adventure with numerous thousand help circumstances in companies of every kind, AAA id administration Security offers pitfalls, warnings, and advice all through. every one significant subject concludes with a pragmatic, hands-on lab situation akin to a real-life resolution that has been greatly carried out by means of Cisco shoppers. This ebook brings jointly an important info that was once formerly scattered throughout a number of resources. it is going to be imperative to each specialist working 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

    Example text

    Authorization can be configured locally in some cases or kept on a remote AAA server. The remote server might be easier for administration depending on your network environment. Authorization is the second module of the AAA framework. The following steps are needed for authorization to take place: Step 1. AAA assembles a set of attributes based on the services that a user is requesting authorization to perform. Step 2. These attributes are compared against a database that contains the user’s actual permissions.

    The attributes that are seen in Figure 1-4 are RADIUS AV pairs. RADIUS Encryption Encryption in RADIUS differs from that of TACACS+ because RADIUS encrypts only the password and the rest is sent in clear text. The process of encrypting the password in RADIUS is as follows: Step 1. A RADIUS packet includes an Authenticator field, as seen in Figure 1-4. This is a field that contains a 16-octet random number called the Request Authenticator. Step 2. The Request Authenticator is combined with the preshared key value and runs through an MD5 hash algorithm.

    These attributes are compared against a database that contains the user’s actual permissions. Step 3. After a user’s authorization is verified or not verified, the result is returned to the AAA process. Step 4. After the preceding step sequence, the AAA process is then able to impose the proper restrictions to the user data. Step 5. ” As seen in the “Authentication Overview” section of this chapter, a method list configures authentication. A method list is also used to define the method of authorization.

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    AAA Identity Management Security by Vivek Santuka


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