1

Basically I want to route all my internet traffic (http,https) out to another network (hosted network) and make it encrypted to the end node(hosted network). I can do this right now via SSH> Port forwarding & Socks on Firefox/other application.

But lets say I want to do it LAN wide. I would ether need to route all TCP/UDP traffic to the SSH Server which will forward the traffic through socks proxy, right?

Or I could use a VPN, right? However here's the kicker and reason I do not want to use a VPN. Some of the traffic I don't need encrypted. Example I don't need rdp or sftp traffic encrypted. Thus hints why I am only trying to encrypt "internet" traffic (http/https protocol) traffic. Could I limit what type of traffic is routed via VPN? I guess as long as my router comes before my VPN client I can tell which traffic for the client to listen to ?

3

In line of principle you can do whatever you like. For instance, if your router is a Linux pc, or has as an OS DD-WRT,OpenWRT, or Tomato, you can build an OpenVPN which connects to the remote network, but only forwards HTTP/HTTPS traffic (or whichever port you are using). The advantage is the centralized control: one single installation covering all of your machines, even those, like an Xbox, over which you have no control.

But, on the other hand, using a similar trick (see later), you can do the very same with SSH+Socks. So, it is really up to you.

The trick is to have two routing tables, using what is called policy/source routing. You can have a routing table for the OpenVPN connection, and another routing table which is your usual table without the VPN. You find a concise but sufficient intro to the topic here.

The whole trick is choosing, as the rule to choose which routing table to apply, on the basis of the destination port: if the destination ports are 80 or 443, then choose the routing table thru the VPN; otherwise choose the traditional routing table.

It's fun and easy, it is just a bit of work.

3
  • Awesome. Just what I am looking for! – Benjamin Jones Nov 24 '15 at 21:43
  • P.s I do have a dd-wrt router and connect from the built in openvpn client to open VPN server. Iptables should do the trick, if I can figure them out. Thanks! – Benjamin Jones Nov 24 '15 at 21:49
  • Forgot to add, what you mention is just what I am looking for. – Benjamin Jones Nov 24 '15 at 21:50

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.