WD

Personal firewalls

Windows Defender Firewall

Microsoft · checked 23 Oct 2026

#17 · Personal firewalls#26 · Sandbox Software
Visit learn.microsoft.com ↗ Alternatives Windows Defender Firewall vs NetGuard

How it plugs in

—Public API
NoOpen source
NoFree tier

Signal on Personal firewalls3.8#17 of 17

Windows Defender Firewall home page

Near it

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