https://help.ubuntu.com/community/OpenVPN
https://help.ubuntu.com/11.10/serverguide/openvpn.html
http://blog.csdn.net/telnetchen/article/details/7423782 iptable
http://freenuts.com/how-to-set-up-openvpn-in-a-vps/ 正常配置
http://askubuntu.com/questions/27398/best-way-to-learn-how-to-set-up-openvpn-on-amazon-ec2-a-vps
Introduction This howto describes setting up an IPSEC VPN for use with the Iphon...
在日常生活中我们用到vpn的地方很多，比如:脸谱，推特，youtube,最近谷歌也被墙. 对于...
