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

However, this guide is focused on the Windows 11 firewall, so let's proceed to learn how to block both outgoing and incoming data. Blocking a program's outgoing network access ...

SimpleWall lets you quickly block applications from using internet on your Windows computer. You can either create a blacklist or a whitelist.

If a hacker is using an anonymous proxy server, you can block access via the Windows firewall application.