<a href=\"http://en.wikipedia.org/wiki/Iptables\">Iptables</a>


<br><a href=\"http://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO.html\">IPTables how-to</a>

<br><a href=\"http://www.irongeek.com/i.php?page=security/roguefileshares\">Article on finding rogue file shares</a>

<br>
<a href=\"http://www.phreaknic.info\">PhreakNIC website</a>

<br>
<a href=\"http://en.wikipedia.org/wiki/Secure_shell\">SSH Info</a>
<br>
<a href=\"http://openssh.com/\">OpenSSH</a>
<br>
<a href=\"http://www.chiark.greenend.org.uk/~sgtatham/putty/\">PuTTY</a>
<br>
<a href=\"http://en.wikipedia.org/wiki/SOCKS\">SOCKS Info</a>
<br><a href=\"http://www.freecap.ru/eng/?p=download\">FreeCap SOCKS Client (for Windows)
</a>
<br><a href=\"http://www.inet.no/dante/\">Dante SOCKS client (for Linux)
</a>