First, you need to cinfigure your firewall to allow VPN. Open terminal and type the these 4 commands:
command 1
firewall-cmd --permanent --direct --add-rule ipv4 filter INPUT 0 -p gre -j ACCEPT
command 2
firewall-cmd --permanent --direct --add-rule ipv6 filter INPUT 0 -p gre -j ACCEPT
command 3
firewall-cmd --reload
command 4
modprobe nf_conntrack_pptp nf_conntrack_proto_gre
Go to the "Network Settings" from system tray or from Settings.
In next window click on the "+" sign.
Click on the "Point-to-Point Tunneling Protocol (PPTP)".
Enter in your server IP for your gateway and your VPN username & password.
Note: To see your server IP address, login here with your username and password.
Also you need to click on the person icon (see the red arrow) and select "Store the password only for this user".
At the end click on "Advanced..." button.
In advanced settings, make sure the settings are the same as what is shown in the picture that is provided. Hit "OK" when done.
Click on "Add" to save make your VPN.
To connect/disconnect VPN, just click on your VPN connection you just made from system tray (step 1).
