If you know the external IP address ranges you'll use for your logins, that makes it much more secure if they're the only ones you permit to make a VPN connection from.
Setting up the Frontier router should be something in the user guide for the equipment, would likely be in the user interface under "security" or "networking". May also be a help file on their website on how to do it, as it's a common ask for things like gaming and media servers.
Setting up the Frontier router should be something in the user guide for the equipment, would likely be in the user interface under "security" or "networking". May also be a help file on their website on how to do it, as it's a common ask for things like gaming and media servers.