內容簡介
This book is aimed primarily at network, Web, systems, LAN, and WAN administrators. But it is also targeted at the new breed of professionals, the so-called Internet Managers, as well as to anyone in need of a complete reference book on firewalls. As you read this book, you will notice that what separates it from the others is that this book is comprehensive and gives the technical information necessary to understand, choose, install, maintain, and foresee future needs involving firewalls and security at a very informal level. It has a conversational style with practical information, tips, and cautions to help the Internet, network, and security administrator to cope, and "survive" their tasks and responsibilities.