 | Level: Introductory Jeffrey Orloff (jeff.orloff@gmail.com), Director of IT/Security, SafeWave, LLC
17 Dec 2008 Servers—whether used for testing or
production—are primary targets for attackers. By taking the proper
steps, you can turn a vulnerable box into a hardened server and help thwart
outside attackers. Learn how to secure SSH sessions, configure firewall rules,
and set up intrusion detection to alert you to any possible attacks on your
GNU/Linux® server. Once
you've gained a solid foundation in the basics of securing your server, you
can build on this knowledge to further harden your
systems.
Objectives
After completing this tutorial, you will
know basic concepts in security
administration, including how to secure Secure Shell (SSH) remote
logins, create firewall rules, and watch logs for possible
attacks.
Prerequisites
This tutorial is written for the beginning GNU/Linux user. You should
have some familiarity with operating system installations and the
command line. To fully understand the concepts in this tutorial, you
should have gone through the companion tutorial,
"Hardening the Linux desktop."
System requirements
To run the examples in this tutorial, you need to install
Ubuntu Server Edition on a computer
or a virtual machine, such as Sun
VirtualBox. You also need an Internet
connection to download specific software packages used in the
tutorial.
Duration
More than 2 hours
Formats html, pdf
Learn more
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