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Featured Articles

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Make Firefox your default browser on Windows

Make Firefox your default browser on Windows

Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.

Change Firefox options, preferences and settings

Change Firefox options, preferences and settings

Learn how to access and adjust Firefox settings, including privacy, startup behavior, downloads and more.

Insecure connection password warning in Firefox

Insecure connection password warning in Firefox

Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.

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