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Allow localhost/insecure websites to access webcam/microphone on Firefox

On my daily development I came across the issue navigator.mediaDevices is undefined when testing a website I’m developing on Firefox browser. While the fix for Google Chrome is widely known, I didn’t find anything about Firefox and decided to dig deeper myself. Turns out the fix is pretty simple.

On the address bar of Firefox type about:config
Accept and continue
Search for insecure
Set media.devices.insecure.enabled and media.getusermedia.insecure.enabled flag to true
That should do it!! The next time you open your website, Firefox will ask your permissions for webcam/microphone.