Chapter 18 OpenSSH: Secure Network Communication
Chapter 19 FTP: Transferring Files Across a Network
Chapter 20 sendmail : Setting Up Mail Clients, Servers, and More
Chapter 21 NIS: Network Information Service
Chapter 22 NFS: Sharing Filesystems
Chapter 23 Samba: Integrating Linux and Windows
Chapter 24 DNS/BIND: Tracking Domain Names and Addresses
Chapter 25 iptables: Setting Up a Firewall
Chapter 26 Apache (httpd): Setting Up a Web Server