The OS X Server would have 2 NICs with one on the WAN and the other on the LAN. The WAN would have the WAN IP and the LAN would run the LAN subnet. For this there would be no need for DNS or DHCP running on the remote box. The gateway setup assistant will config all of the conf files for you and then we would use the s2svpn command line utilities to configure an MD-5 CRAM hash to encrypt all data running over our custom tunnels. Then, we’d troubleshoot the connection. For more info on the specific command line utils, It’s all CLI stuff. You can man s2svpnadmin…