The freeware Apache web server runs over half of the world's existing web sites and continues to dominate the web-server market. *Apache: The Definitive Guide*, written and reviewed by key members of the Apache Group, describes how to obtain, set up, and secure the Apache server, as well as commonly used extensions for building web applications. Apache has evolved over the past seven years into a powerful system that can rival (and probably surpass) almost any other HTTP server in terms of functionality, efficiency, and speed, while supporting a variety of UNIX and Windows environments. This new thir edition of *Apache: The Definitive Guide* fully describes Unix and Windows support and all the other Apache 1.3 and 2.0 features. Contents include: * Obtaining and compiling the server * Configuring and running Apache on Unix and Windows, including topics such as directory structures and virtual hosts * The Apache 1.3 and 2.0 APIs * Expanded coverage of Apache security and large-scale site management * A complete list of configuration directives * Installation and testing information for Perl CGI, mod_perl, PHP, JServ, Tomcat, and Cocoon Using *Apache: The Definitive Guide*, web administrators new to Apache can get up to speed more quickly than ever by working through the tutorial demo. Experienced web-application programmers and web administrators working in Unix and Windows will find the reference sections indispensable. *Apache: The Definitive Guide* is the definitive documentation for the world's most popular server.