<para>For more background information you might want to review the
<ulink
-url="http://www.debian.org/doc/manuals/securing-debian-howto/ch7.en.html">Debian
+url="http://www.debian.org/doc/manuals/securing-debian-howto/ch7">Debian
Security Infrastructure</ulink> chapter of the Securing Debian Manual
(available also in the harden-doc package) and the
<ulink url="http://www.cryptnet.net/fdp/crypto/strong_distro.html"