Windows 10 Firewall is a robust security system that's easy to set up and configure. Here's how to use it to block network access and create exceptions for apps, servers and ports.

We show you how to block or allow VPN through Firewall in Windows 11/10 PC. WE also show you how to allow VPN ports through the firewall.

Do you have settings on Windows 10 that appear grayed out? If so, there could be one more policy configuration blocking your access – here's a way to remedy the problem.