openvpn between windows and linux install openvpn server on windows and/or linux use config files: for server: proto tcp-server port 1194 dev tap0 daemon ifconfig 10.0.0.1 255.255.255.0 secret key #file called 'key' required on both ends comp-lzo #compression not necessary ping 10 verb 3 mute 10 tun-mtu 1500 tun-mtu-extra 32 log-append /var/log/openvpn.log for connecting client machine: remote ipaddressornameofopenvpnserver proto tcp-client port 3392 dev tap ifconfig 10.0.0.2 255.255.255.0 secret key ping 10 verb 3 mute 10 tun-mtu 1500 tun-mtu-extra 32 comp-lzo