Block Internet Access to Apps! You can disable a program from connecting to the internet using CMD or Outbound Rules of Windows Firewall.

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.

If you're ignoring or have disabled Windows Firewall, you might be missing out on some good, basic protections that are easy to set up and maintain.

It also blocks common Internet threats like Trojan horses seemingly benign programs carrying malicious applications and comes preconfigured to block ports commonly used by computer intruders.