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Featured Articles

Insecure password warning in Firefox

Insecure password warning in Firefox

Firefox issues an insecure password warning when a web page's login form is not secure and your information could be stolen.

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.

What do the security warning codes mean?

What do the security warning codes mean?

Firefox shows you a warning page about a potential security risk when you try to connect to a secure site but your connection is not secure.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

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