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Captive portal detection

Captive portal detection

Page that describes how Firefox detects captive portal networks.

Update Firefox to the latest release

Update Firefox to the latest release

Firefox automatically updates itself by default but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.

Secure connection failed and Firefox did not connect

Secure connection failed and Firefox did not connect

If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.

Insecure password warning in Firefox

Insecure password warning in Firefox

Firefox warns you when a login form is not secure and your information could be stolen.