If you know a way to do this on Windows Firewall, please use the Contact page. Be warned that this will block all internet connections to and from the specified countries. This may cause problems if you not need incoming connections from countries that you blocked.

Jan 17, 2019 Blocking Unwanted Countries with Windows Firewall | Greg's Blocking Unwanted Countries with Windows Firewall I get a lot of clients asking me what they can buy for protecting themselves from countries they don’t want connecting to their office or home network since they have no business with these countries and the threat they pose in hacking. Allow or block programs with the Windows Firewall – Which To disallow all incoming data connections with the Windows Firewall, click Start, type firewall and click Windows Firewall > Change notification settings. Under Public network settings, tick Block all incoming connections, including those in the list of allowed programs, then OK. networking - Configure Windows Firewall to block all

Block or allow TCP/IP port in Windows Firewall - Windows

Windows firewall has the ability to set a "default action" of inbound connections to "Block" or "Allow." For your desired configuration, you want to change the default inbound action to "Block" and then add your "Allow" rules. WARNING: these changes take affect immediately. If you are connecting remotely, and you do not have the needed allow Windows server firewall - to block all traffic except my IP Jan 17, 2019

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Windows 10 Firewall blocking Brother printers [EXPERT FIX Jul 05, 2019 How to fix "Windows Firewall is preventing connections to Sep 30, 2014