The system that I describe to implement VPN uses SSH and PPP. Basically I use ssh to create a tunnel connection, and then use pppd to run TCP/IP traffic though it. That's what makes up the tunnel. .:: participation.touraine.fr ::. .:: telegra.ph ::. [Issues with Cybersecurity] .:: www.just.edu.jo ::.
The real trick to getting ssh and pppd to play well together is the utility written by Arpad Magosanyi that allows the redirection of standard in and standard out to a pseudo tty. This allows pppd to talk through ssh as if it were a serial line. On the server side, pppd is run as the users shell in the ssh session, completing the link. After that, all you need to do is the routing. [MDN Docs: Couchbase] .:: directory4search.com ::. .:: telegra.ph ::. .:: wiki.0-24.jp ::.