How to configure Vpn and Proxy
Open your network settings.
Click on "Setup a new connection or network".
Click on "Connect to a workplace".
Click on "User my internet connection (VPN)".
Fill the blanks as shown below then click on "Create".
Open Network Connections again.
Right click on the connection you just created then click "Properties".
Fill the blanks as shown below.
You can now connect to VPN.