Is Windows 10 firewall a one-way or two-way firewall?

Is Windows 10 firewall a one-way or two-way firewall? If two-way, if I have an app I know needs to do outbound communication how do I configure to allow that -- or will installing software that has a valid certificate be detected by the firewall and allow the traffic without me needing to configure anything?

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Last updated November 28, 2019 Views 1,206 Applies to:

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A. User

Hi Ron,

Thank you for posting you query on the Microsoft Community.

We appreciate your interest in Windows 10. Let me assist you.

Windows firewall is a software program that helps screen out hackers, viruses, and worms that try to reach your computer over the Internet. It is one way, like a wall protecting your system. Windows Firewall in Windows 10 is same as Windows 8.1.

For detailed knowledge about Windows Firewall please refer the below link.

http://windows.microsoft.com/en-US/windows-8/Windows-Firewall-from-start-to-finish (For Windows 8.1, Applies to Windows 10)

Hope this information is helpful. Please do let us know if you need further assistance, we’ll be glad to assist you

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