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FreeRADIUS Beginner's Guide

You're reading from   FreeRADIUS Beginner's Guide Master authentication, authorization, and accessing your network resources using FreeRADIUS

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Product type Paperback
Published in Sep 2011
Publisher Packt
ISBN-13 9781849514088
Length 344 pages
Edition 1st Edition
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Toc

Table of Contents (16) Chapters Close

Preface 1. Introduction to AAA and RADIUS FREE CHAPTER 2. Installation 3. Getting Started with FreeRADIUS 4. Authentication 5. Sources of Usernames and Passwords 6. Accounting 7. Authorization 8. Virtual Servers 9. Modules 10. EAP 11. Dictionaries 12. Roaming and Proxying 13. Troubleshooting A. Pop Quiz Answers Index

Time for action – using the preferred way for status checking

The following steps will demonstrate how to perform status checking:

  1. Update the home_server definitions for my-org.com and your-org.com to include the following directive:
    status_check = status-server
  2. To see how FreeRADIUS sends Status-Server packets to a dead server simply shut down the FreeRADIUS server for your-org.com and keep on sending authentication requests for bob@your-org.com to the my-org.com server:
    Marking home server 192.168.1.106 port 1812 as zombie (it looks like it is dead).
    Sending Status-Server of id 97 to 192.168.1.106 port 1812Message-Authenticator := 0x00...
    NAS-Identifier := "Status Check. Are you alive?"
    
  3. Start the FreeRADIUS server for your-org.com again in debug mode and see how it answers to the Status-Server packets sent to it from the my-org.com server:
    rad_recv: Status-Server packet from host 192.168.1.105 port 1814, id=160, length=68
    Message-Authenticator = 0x7b2f0a58666d532b2...
    NAS...
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