I want to VPN to my server and use it's IP. I installed openvpn I used 172.16.0.1 and 172.16.0.2 since they are free. Is this correct? Lastly how do I connect via my iPhone? It uses either L2TP PPTP or IPSEC But it needs an account and password. How do I set up? It's a iPhone so I can't install any software. Thanks!