OVPN Mikroitk By windows 7

http://itsavedmyass.cyprusmania.net/remote-access/mikrotik-openvpn-server-windows-7-client

http://av5.com/docs/running-openvpn-client-on-windows-xp.html

http://wiki.mikrotik.com/wiki/OpenVPN

http://docs.cslabs.clarkson.edu/wiki/Install_OpenVPN_on_CentOS_5

http://www.webhostingtalk.com/showthread.php?t=1024872

http://www.async.fi/2012/01/mikrotik-openvpn-server

wiki.mikrotik.com/wiki/OpenVPN_Configuration_Step_by_Step