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Insecure connection 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.
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.
Back up and transfer your Firefox data to a new device
Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.
Captive portal detection
Description of how Firefox detects captive portal networks.
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