In many cases, if an app needs to use network connection requests, you'll see a pop-up for the Windows Firewall asking you to allow network communications for that app. After that, you should no ...

As Microsoft states, the default behavior of Windows Defender Firewall is to block all incoming traffic unless solicited or matching a rule, or to allow all outgoing traffic unless matching a rule.

The Windows Defender Firewall can be configured to allow or block programs on a computer from accessing network or Internet resources. It also allows or blocks connections to and from other ...

This will bring up the Windows Firewall with Advanced Security window ... specify the Port, and select Allow the connection. That’s it! Port Scanning application like Free Port Scanner ...