FreeRADIUS Beginner's Guide

FreeRADIUS Beginner's Guide
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Table of Contents
Sample Chapters
  • Step-by-Step instructions for all the main Linux distributions: CentOS, SUSE, and Ubuntu
  • Know the FreeRADIUS components and understand how they interact
  • Integrate FreeRADIUS into an existing environment or blend it into a larger infrastructure
  • Control and track the usage of network resources by using the most popular RADIUS server today

Book Details

Language : English
Paperback : 344 pages [ 235mm x 191mm ]
Release Date : September 2011
ISBN : 1849514089
ISBN 13 : 9781849514088
Author(s) : Dirk van der Walt
Topics and Technologies : All Books, Networking and Servers, Beginner's Guides, Linux Servers, Open Source
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Dirk van der Walt

Dirk van der Walt is an Open Source Software Specialist from Pretoria, South Africa. He is a firm believer in the potential of Open Source software. Being a Linux user for almost 10 years it was love at first boot. From then on Dirk has spent his available time sharing his knowledge with others equally passionate about the freedom and affordability Open Source software gives to the community. In 2003 Dirk started coding with Perl as his language of choice and gave his full attention to functional and aesthetic user interface design. He also compiled an on-line Gtk2-Perl study guide to promote the advancement of Perl on the desktop. As Rich Internet Applications (RIA) became more popular, Dirk added the Dojo toolkit and CakePHP to his skills-set to create an AJAX-style front-end to a FreeRADIUS MySQL database. His latest work is YFi Hotspot Manager. Today YFi Hotspot Manager is used in many localities around the globe. With many contributors to the project it proves just how well the Open Source software model can work.
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Submit Errata

Please let us know if you have found any errors not listed on this list by completing our errata submission form. Our editors will check them and add them to this list. Thank you.


- 2 submitted: last submission 17 Apr 2013

Errata type: Typo | Page number: 145

Replace "mysq -u root -p radius" with "mysql -u root -p radius" after the line "Clean the radacct table in the MySQL database:"

Errata type: Code | Page number: 173

The first line should be replaced:
"if($RAD_CHECK{\'FRBG-Avail-Bytes\'} <= $RAD_CHECK{\'FRBG-Used-Bytes\'}){"
"if($RAD_CHECK{\'FRBG-Avail-Bytes\'} <= 0){"

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What you will learn from this book

  • Get a solid foundation on the RADIUS protocol and how it works
  • Build the latest FreeRADIUS packages for your Linux distribution using the distribution's package management system
  • Integrate FreeRADIUS into an existing environment by making use of alternative user stores
  • Utilize the powerful unlang language included with FreeRADIUS to control the flow of authorization
  • Manage, track, and limit network usage
  • Discover the available FreeRADIUS help resources and use them to your advantage
  • Implementing EAP especially for enterprise WiFi security
  • Use FreeRADIUS to forward requests to other RADIUS servers (Proxying)
  • Answer requests for other RADIUS servers using FreeRADIUS

In Detail

The Open Source pioneers have proved during the past few decades that their code and projects can indeed be more solid and popular than commercial alternatives. With data networks always expanding in size and complexity FreeRADIUS is at the forefront of controlling access to and tracking network usage. Although many vendors have tried to produce better products, FreeRADIUS has proved over time why it is the champion RADIUS server. This book will reveal everything you need to know to get started with using FreeRADIUS.

FreeRADIUS has always been a back-room boy. It's not easy to measure the size or number of deployments world-wide but all indications show that it can outnumber any commercial alternatives available. This essential server is part of ISPs, universities, and many corporate networks, helping to control access and measure usage. It is a solid, flexible, and powerful piece of software, but can be a mystery to a newcomer.

FreeRADIUS Beginner's Guide is a friend of newcomers to RADIUS and FreeRADIUS. It covers the most popular Linux distributions of today, CentOS, SUSE, and Ubuntu, and discusses all the important aspects of FreeRADIUS deployment: Installing, configuring and testing; security concerns and limitations; LDAP and Active Directory integration.

It contains plenty of practical exercises that will help you with everything from installation to the more advanced configurations like LDAP and Active Directory integration. It will help you understand authentication, authorization and accounting in FreeRADIUS. It uses many practical step-by-step examples, which are discussed in detail to lead you to a thorough understanding of the FreeRADIUS server as well as the RADIUS protocol. A quiz at the end of each chapter validates your understanding.

Not only can FreeRADIUS be used to monitor and limit the network usage of individual users; but large deployments are possible with realms and fail-over functionality. FreeRADIUS can work alone or be part of a chain where the server is a proxy for other institution's users forwarding requests to their servers. FreeRADIUS features one of the most versatile and comprehensive Extensible Authentication Protocol (EAP) implementations. EAP is an essential requirement to implement enterprise WiFi security. FreeRADIUS Beginner's Guide covers all of these aspects.

 A comprehensive guide to deployment and administration of FreeRADIUS on Linux


This is a fast-paced Beginner's Guide that will take you step by step through the fundamentals of FreeRADIUS and using it in your live projects. It has been structured in a way that will let you get maximum practical information out of it in setting up your own FreeRADIUS server. It will guide you on all the aspects of FreeRADIUS and do much more to get you all the 'A's right.

Who this book is for

If you are an Internet Service Provider (ISPs) or a network manager who needs to track and control network usage, then this is the book for you.

You need to be familiar with Linux and have a solid understanding of TCP/IP. No previous knowledge of RADIUS or FreeRADIUS is required.

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