You can connect your Samsung Galaxy S6 via VPN to a network. To create a virtual private network connection, you need to set the VPN as follows in the Android settings.
To do this, open from the Home Screen:
Menu --> Settings -->More Connection settings
Tap here on the menu item "VPN" and then on "Add VPN". You can now enter your VPN connection data in a new window and enter a meaningful name for the VPN. By means of "saving" the VPN is adopted.
You can now connect with your Samsung Galaxy S6 into the VPN.