Apache

The Apache Modules Book

Prentice Hall Open Source Software Development Series
Arnold Robbins, Series Editor “Real world code from real world applications”
Open Source technology has revolutionized the computing world. Many large-scale projects are in production use worldwide, such as Apache, MySQL, and Postgres, with programmers writing applications in a variety of languages includingPerl, Python, and PHP. These technologies are in use on many different systems, ranging from proprietary systems, to Linux systems, to traditional UNIX systems, to mainframes. The Prentice Hall Open Source Software Development Series is designed to bring you the best of these Open Source technologies. Not only will you learn how to use them for your projects, but you will learn from them. By seeingreal code from real applications, you will learn the best practices of Open Source developers the world over.

Titles currently in the series include: Linux® Debugging and Performance Tuning: Tips and Techniques Steve Best 0131492470, Paper, ©2006 Understanding AJAX: Using JavaScript to Create Rich Internet Applications Joshua Eichorn 0132216353, Paper, ©2007 Embedded Linux Primer ChristopherHallinan 0131679848, Paper, ©2007 SELinux by Example Frank Mayer, David Caplan, Karl MacMillan 0131963694, Paper, ©2007 UNIX to Linux® Porting Alfredo Mendoza, Chakarat Skawratananond, Artis Walker 0131871099, Paper, ©2006 Linux Programming by Example: The Fundamentals Arnold Robbins 0131429647, Paper, ©2004 The Linux® Kernel Primer: A Top-Down Approach for x86 and PowerPC Architectures ClaudiaSalzberg, Gordon Fischer, Steven Smolski 0131181637, Paper, ©2006

The Apache Modules Book
Application Development with Apache

Nick Kew

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Many of the designations used by manufacturers and sellers to distinguishtheir products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals. The author and publisher have taken care in the preparation of this book, but make no expressed or implied warranty of any kind and assume no responsibility for errors oromissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein. The publisher offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales, which may include electronic versions and/or custom covers and content particular to your business, training goals,marketing focus, and branding interests. For more information, please contact: U.S. Corporate and Government Sales (800) 382-3419 corpsales@pearsontechgroup.com For sales outside the United States, please contact: International Sales international@pearsoned.com

Visit us on the Web: www.prenhallprofessional.com Library of Congress Cataloging-in-Publication Data Kew, Nick. The Apache modules book :application development with Apache / Nick Kew. p. cm. Includes bibliographical references and index. ISBN 0-13-240967-4 (pbk. : alk. paper) 1. Apache (Computer file : Apache Group) 2. Web servers—Computer programs. 3. Application software— Development. I. Title. TK5105.8885.A63K49 2007 005.7'1376—dc22 2006036623 Copyright © 2007 Pearson Education, Inc. All rights reserved. Printed in the UnitedStates of America. This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permissions, write to: Pearson Education, Inc. Rights and Contracts Department One Lake...