The VPN gateway <b>moon</b> controls the access to the hosts <b>alice</b> and
<b>venus</b> by means of wildcard parameters that must match the subject
<b>Distinguished Name</b> contained in the peer's X.509 certificate. Access to
<b>alice</b> is granted for DNs containing a OU=Research field whereas <b>venus</b>
can only be reached with a DN containing OU=Accounting. The roadwarriors
<b>carol</b> and <b>dave</b> belong to the departments 'Research' and 'Accounting',
respectively. Therefore <b>carol</b> can access <b>alice</b> and <b>dave</b>
can reach <b>venus</b>.
