I became interested, a little while ago, in how to tunnel encrypted traffic through an http proxy and firewall with only the standard open ports (80, 443). There are a number of reasons to do this, basically anyone sniffing or logging will not be able to tell the difference between the tunnelling and regular https traffic. It will appear as one https session to a destination address. I'll leave it up to all of you to figure out the useful scenarios. In any case, I wasn't able to find any documentation that explained how to do this simply, so here we go: In this example, I'll use two machines workComp - a winxp computer sitting behind the standard corporate firewall with only proxied http and https access, and homeComp - a winxp computer sitting behind a router/gateway running NAT and a simple blocking firewall (e.g. linksys). Step 1: Download and install OpenSSH On homeComp download OpenSSH for windows from: http://sourceforge.net/project/showfiles.php?group_id=103886&package_id=111688...