This complete guide to setting up and running a TCPIP network is essential for network administrators, and invaluable for users of home systems that access the Internet. The book starts with the fundamentals - what protocols do and how they work, how addresses and routing are used, how to set up your network connection - then covers advanced routing protocols, and provides tutorials on configuring important network services.This third edition includes ways of configuring Samba to provide file and print sharing on networks that integrate Unix and Windows, and tackles the important task of configuring the Apache web server. Network security coverage now includes details on OpenSSH, stunnel, gpg, iptables, and the access control mechanism in xinetd. Plus, the book offers updated information about DNS, including details on BIND 8 and BIND 9, the role of classless IP addressing and network prefixes, and the changing role of registrars is inlcuded. This hands-on book is a must-have for all network administrators.