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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.
Firefox options, preferences and settings
Settings panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
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.
Common Myths about Private Browsing
Learn more about common misconceptions about Private Browsing in Firefox.
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