"Securing your Linux server is important to protect your data,
intellectual property, and time, from the hands of crackers
(hackers). The system administrator is responsible for security
Linux box. In this first part of a Linux server security series, I
will provide 20 hardening tips for default installation of Linux
" #1: Encrypt Data Communication: All data transmitted over a
network is open to monitoring. Encrypt transmitted data whenever
possible with password or using keys / certificates."