This package is intended to help the administrator to improve the security of the system, or at least make the host less susceptible. . NOTE! This package will not make your system uncrackable, and it is not intended to do so. Making your system secure involves a LOT more than just installing a package. You are recommended to read at least some documents in addition to installing this package. . There is a LOT of information available on making your system more secure. A good place to start is with the harden-doc package or at http://www.debian.org/doc/manuals/securing-debian-howto/