


At times, the Firewall may block some ports or programs accidentally. It can also be used to block suspicious and harmful programs. Windows Firewall is a Windows built-in tool that can be used to filter network data transmission to and from on your Windows computer. In this MiniTool post, we will show you how to check if Firewall is blocking a port. For some reason, you may want to know if your Firewall is blocking something. It can help you find and block some suspected ports and programs that can be harmful to your computer. Windows Firewall is a very useful tool that comes with your Windows system.
