Openvpn is ssl based vpn server .
Here is the easy way to Upgrade oldversion to Latest version .I am using Linux Version ( CentOS)
kartook@kartook:~$
kartook@kartook:~$
kartook@kartook:~$
kartook@kartook:~$ su
Password:
root@kartook:/home/kartook#
root@kartook:/home/kartook# cd Downloads/
root@kartook:/home/kartook/Downloads#tar zxvf openvpn-2.2.2.tar.gz
root@kartook:/home/kartook/Downloads#cd openvpn-2.2.2/
root@kartook:/home/kartook/Downloads#./configure
root@kartook:/home/kartook/Downloads#make && make install