Craig Hunt. TCP/IP Network Administration – This book contains some theory and much practical information for managing a heterogeneous TCP/IP network.
W. Richard Stevens. TCP/IP Illustrated, Volume I – This book is an in-depth explanation of the TCP/IP protocols. This book is ideal for network administrators who require a technical background in TCP/IP and for network programmers.
Ed Krol. The Whole Internet User's Guide & Catalog – This book is ideal for anyone interested in using the many tools that are available for retrieving information over the Internet.