Frequent Topics
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Add-on Badges
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.
Captive portal detection
Description of how Firefox detects captive portal networks.
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.
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.
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