Netcat in one of the most commonly used anti-hacking tools in the world. It reads and writes data across network connections, using the TCP/IP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging tool, since it can create almost any kind of connection you would need and has very interesting built-in capabilities. It lends itself to being useful in a myriad of situations. This book offers a comprehensive look at its possibilities.