There are many ways to do things right and many ways to do things wrong. This book goes into great detail about best practices for your DNS, web, mail, database and FTP servers. Specifically it covers BIND 8 and 9, djbdns, Apache, Mysql, Sendmail and Postfix, ProFTPd, scp, ssh, sftp, rsync, and many more applications. It also covers firewalls with good iptables examples. Although the subject may sound uninteresting I could not put the book down. So many questions I have thought of are answered here. Be warned, you will immediately want to upgrade your existing servers utilizing the suggestions in this book so be prepared for a lot of work.