Advanced SystemCare Free. VLC Media Player. MacX YouTube Downloader. Microsoft Office YTD Video Downloader. Adobe Photoshop CC. VirtualDJ Avast Free Security. WhatsApp Messenger. Talking Tom Cat. Clash of Clans. Subway Surfers. TubeMate 3. Reducing the attack surface of a device increases manageability and decreases the likelihood of a successful attack.
Safeguards sensitive data and intellectual property. With its integration with IPsec, Windows Defender Firewall provides a simple way to enforce authenticated, end-to-end network communications. It provides scalable, tiered access to trusted network resources, helping to enforce integrity of the data, and optionally helping to protect the confidentiality of the data. Extends the value of existing investments. Because Windows Defender Firewall is a host-based firewall that is included with the operating system, there is no additional hardware or software required.
Windows Defender Firewall is also designed to complement existing non-Microsoft network security solutions through a documented application programming interface API.
Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Select Start , then open Settings. Open Windows Security settings. Select a network profile: Domain network , Private network , or Public network. Under Microsoft Defender Firewall , switch the setting to On.
If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator. To turn it off, switch the setting to Off. Turning off Microsoft Defender Firewall could make your device and network, if you have one more vulnerable to unauthorized access. If there's an app you need to use that's being blocked, you can allow it through the firewall, instead of turning the firewall off.
Note: If you get errors, or if the setting won't turn on, you can use the troubleshooter and then try again. What is a Firewall? Microsoft Defender Windows 11 Windows 10 More
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