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.
Pareto checks for other firewall software as well.