</A><DD>
<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT><A HREF="#lbAE">OPTIONS SUMMARY</A><DD>
<DT><A HREF="#lbAF">MODES OF OPERATION</A><DD>
<DT><A HREF="#lbAG">SINGLE PACKET AUTHORIZATION</A><DD>
<DT><A HREF="#lbAH">PORT KNOCKING</A><DD>
<DT><A HREF="#lbAI">CRYPTOGRAPHY OPTIONS</A><DD>
<DT><A HREF="#lbAJ">CONCEALMENT OPTIONS</A><DD>
<DT><A HREF="#lbAK">NETWORKING OPTIONS</A><DD>
<DT><A HREF="#lbAL">OUTPUT OPTIONS</A><DD>
<DT><A HREF="#lbAM">MISCELLANEOUS OPTIONS</A><DD>
