Managing Windows Defender Firewall

• The Windows Defender Firewall is a built-in feature of Windows 10 that should be part of an organization’s in-depth security plan.
• The Windows Defender Firewall defaults to Microsoft-defined rules, which may not meet an organization’s needs.
• Most organizations will need management tools and expertise to ensure Windows Defender Firewall is properly configured and managed.

The Windows Defender Firewall (WDF), a feature of Windows 10, is a host firewall that controls network traffic to an individual device. Most organizations should use Group Policy (GP) or PowerShell to ensure the firewall is correctly and consistently configured across all Windows 10 devices.

Windows Defender Firewall

Firewalls use predetermined security rules to monitor and control network traffic. Generally, a firewall is deployed to establish a barrier between an internal or trusted network and an external or untrusted network. Depending on how they create these barriers, firewalls are divided into the following two types: