Three types of networks (domain, private and public) should be marked as On, as shown in Figure C. How do I see what Windows Firewall is blocking? To check the status of the firewall, click the Firewall & Network Protection menu item. The Windows Defender Security Center ( Figure B) gives users access to all aspects of the Windows 10 security system. Click the button that says: Open Windows Defender Security Center. In the left navigation menu of the next screen, click on the Windows Security item to reach the settings screen shown in Figure A. Scroll down the list and click on the Update & Security menu item. Open Settings by clicking or tapping on the Start button and then clicking the Settings icon. The Windows Defender firewall is on by default, but if you want to check it out and make sure, you have to navigate to the Windows Defender Security Center. Microsoft 365: A side-by-side analysis w/checklist (TechRepublic Premium) How do I check my Windows Firewall settings? It also explains how to grant an application access through the firewall and then modify user notifications, so you can know exactly what is happening on your Windows 10 systems. This how-to tutorial shows you how to access and turn on the Windows Defender firewall. In addition to virus and other malware protection, Windows Defender also includes a basic, but effective, firewall that users can configure and adjust depending on their needs. Must-read Windows coverageĭefend your network with Microsoft outside-in security servicesįor users of Microsoft Windows 10, the firewall controlling access to devices on your home network is the one which was installed as part of the Windows Defender security suite. Under normal circumstances, if an application does not have access credentials, it is blocked from the rest of the network by firewall security protocols.

This basic principle also applies to individuals logging into a home network–you are granting yourself permission to use the network and pass data through a firewall. When you log in to an enterprise domain, you are authenticating your credentials with the overall system, including whatever firewall is in place. Here's how to use it to block network access and create exceptions for apps, servers and ports.

Windows 10 Firewall is a robust security system that's easy to set up and configure. How to turn on the Windows 10 Firewall and configure its settings