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On the next screen, click Change settings, then tick or untick the box next to an item to allow or block it.Īlternatively, you can tick or untick the box in either the Private or Public columns - if, say, if you wanted to allow a program internet access when you’re connected to your home network (Private), but block it when you’re connected to a public one, such as a wi-fi hotspot. To manage the whitelist in the Windows Firewall, click Start, type firewall and click Windows Defender Firewall.Ĭlick Allow a program or feature through Windows Firewall (or, if you’re using Windows 10, click Allow an app or feature through Windows Firewall). There could also be situations where you need to allow a program through your firewall that has been blocked incorrectly - this is known as whitelisting.

Not sure if your firewall is running? Learn how to switch on the Windows Firewall. This usually happens when you use a new program for the first time.

The Windows firewall works like a filter between your PC and the internet, blocking or allowing connections depending on whether or not they’re safe.įirewalls will block or allow a lot of traffic automatically, but sometimes you will see a message asking you if you want to allow a program to connect to the internet. Unsure whether or not to allow a program through your firewall? Follow our handy guide to help you make the right decision

Firewall control panel windows 10