How to configure Tor Bridges Trisquel documentation (French)[needs to be translated]
https://trisquel.info/fr/wiki/installer-tor-browser-et-configurer-un-bridge
One approach, which is offered by AirVPN, uses stunnel. The other, which is offered by iVPN, uses obfsproxy (developed by the Tor Project). Both tunnel TCP-mode VPN links through an additional SSL layer. I gather that stunnel simulates HTTPS, while obfsproxy can simulate various sorts of SSL connections.Neither approach totally hides OpenVPN. Neither hides packet size or timing, and the OpenVPN handshake is distinctive.
