The main feature of this book is that the material in it is presented from a perspective not related to programming. The authors talk about how the TCP/IP protocol works, how it interacts with other protocols of its family, and what functions it performs. The descriptions are accompanied by detailed instructions for installing and configuring protocols and services, the commands used for this purpose and the approximate results of their execution are given. You will learn how to organize TCP / IP support on many operating systems, including Windows 9x, Windows NT, Windows 2000, NetWare and popular Linux system. The book also touches on security issues.