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  1. Firewall and Network Protection in the Windows Security App

    Learn how to turn the Windows Firewall on or off using the Windows Security app.

  2. What is a Firewall? - Microsoft Support

    What is a Firewall? Data flows into and out of devices through what we call ports. A firewall is what controls what is - and more importantly isn't - allowed to pass through those ports. You …

  3. “0x8007042c” error message when you try to start Windows Firewall

    Click Start, and then type Windows Firewall in the Search programs and files box (Windows 7) or in the Start search box (Windows Vista). In the navigation pane (left pane) of Control Panel, …

  4. Firewall- en netwerkbeveiliging in de Windows-beveiliging-app

    Meer informatie over het in- of uitschakelen van Windows Firewall met behulp van de Windows-beveiliging-app.

  5. Security warning: the Windows Firewall is turned off

    You receive a warning in the notification area of the task bar telling you that the Windows Firewall is turned off. The warning is displayed as a Windows security alert in Windows XP and in …

  6. Risks of Allowing Apps Through Windows Firewall

    Learn about the risks of allowing apps through Windows Firewall, and how to add or remove apps from the list of allowed apps.

  7. Windows Firewall settings are greyed out - Microsoft Support

    Windows Firewall settings are greyed out Symptoms When you try to change your Windows Firewall settings, the options are greyed out and you can't make any changes. To fix this, …

  8. ไฟร์วอลล์และการปกป้องเครือข่ายในแอป ความปลอดภัยของ Windows

    ไฟร์วอลล์ Windows ช่วยปกป้องอุปกรณ์ของคุณโดยการกรองการรับส่งข้อมูลบนเครือข่ายและบล็อกการเข้าถึงที่ไม่ได้รับอนุญาต …

  9. Windows 安全性 應用程式中的防火牆與網路保護 - Microsoft 支援 …

    Windows 防火牆會篩選網路流量並封鎖未經授權的存取,以協助保護您的裝置。 它根據IP位址、埠或程式路徑等各種屬性來限制或允許流量,以降低網路安全性威脅的風險。 您可以使用 …

  10. Protect my PC from viruses - Microsoft Support

    Caution: When you remove your currently installed Internet security programs, your PC is in an unprotected state. If you haven't installed another antimalware program make sure that …