Learn how to... •Configure basic TCP/IP security using TCP wrappers and packet filtering. • Secure network services like Samba, Sendmail, Apache, NFS, and BIND. Encrypt network streams, X116 streams, file system data, and text (e-mail) data. Protect network traffic with the Secure Shell (SSH). •Add Secure Sockets Layer (SSL) capability to the Apache Web server. •Secure authentication across your network with Kerberos. •Detect and recover from malicious network activity. •Protect files from unauthorized access using access control lists (ACLs).