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Create VPN over TCP connection

I need to create a virtual IP network over TCP connection. The hosting system is Linux, with the TUN/TAP kernel driver, it’s quite easy to receive & re-inject IP packets of the virtual network.

The difficult part is to transmit the received IP packets to another host. For some non-technical reasons, I can only transmit the packets over TCP protocol but not UDP. Transmit IP packets over UDP is…