This book is divided into two parts. The first part contains the entire source code of Apache Server, and the second part is an analysis of the source code. It analyzes the source code in detail and examines standard Apache modules such as control login, directory indexing, access control, and CGI. The flowcharts in the book demonstrate how each module works, and provide ways to customize Apache to make your website unique and powerful. It is intended for network directors, programmers, and people who need to understand how web servers work. a good reference book