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Windows Firewall is on

Time to fix

< 1m

What

Firewall prevents contact from other computers on the Internet or on your network.

How to enable Firewall and Stealth mode on Windows 11

  • Open Settings from the Start menu.
  • Go to Privacy & security > Windows Security > Firewall & network protection.
  • Select your active network (Domain, Private, or Public).
  • Toggle Microsoft Defender Firewall to On.
  • To enable stealth mode, click Advanced settings to open Windows Defender Firewall with Advanced Security.
  • In the left pane, select Windows Defender Firewall Properties.
  • For each network profile, set Inbound connections to Block (default) and Outbound connections as needed.
  • Click OK to apply the settings.