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Disable Firefox Captive Portal and Connection to detectportal.firefox.com

How to Disable Firefox Captive Portal and Connection to detectportal.firefox.com

When you launch Firefox, the browser immediately establishes a new connection to detectportal.firefox.com. This behavior is caused by Captive Portal, a special feature of Firefox. Here's what is Captive Portal, and how to disable it. Disabling Captive Portal will stop Firefox from connecting to detectportal.firefox.com.

Disable Detachable Tabs in Mozilla Firefox

How to Disable Detachable Tabs in Mozilla Firefox 

Starting in Firefox 74, you can turn off the detachable tabs feature in the browser. This will disable the ability to create a new window from a tab drag-and-drop in Firefox, and save you from accidentally moving a tab and turning it into a separate window.

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