Go to VPN > OpenVPN Server
Download the CA certificate using the link Download CA Certificate
Save the certificate locally as, lets say, /home/user/cacert.pem
Start the OpenVPN client using the following command line:
openvpn –client –pull –comp-lzo –nobind –dev tap0 –ca /home/user/cacert.pem –auth-user-pass –remote your.remote.efw
