Bastille
This is an interactive system-hardening open source program. It bundles a variety of system-hardening options into a single easy-to-use package. Bastille can be employed to harden a number of platforms and distributions including Red Hat and Red Hat Enterprise, SUSE, Mandriva, Gentoo, Fedora Core, Debian and TurboLinux. It is also supported on HP-UX and, in beta, on OS X. It is a collection of PERL scripts that create a custom security configuration based on the answers provided by the administrator to a specific set of questions. It also does an in-depth analysis of the system’s current hardening level and its various security loopholes, thereby decreasing the