Defense

Here are all articles, that deal with the topic of defeating a system and software against attackers.

Chrooting SSHd on Linux
Explains how to put the SSH server itself into an chroot.
:: Tatsumori :: 2007

Hardening with GRSecurity (Hakin9/DE)
How to make Linux systems more secure by using the GRSecurity patchset.
:: Tatsumori :: 2007

Hardening OpenBSD 4.X
Explains step by step how to secure your OpenBSD installation.
:: SkyOut :: 2007

How to bash fingerprinting tools
Explains how to secure your webserver against common fingerprinting tools.
:: SkyOut :: 2006/2007