Firefox redirects to https

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“Sites preferences” are the culprit. Wasted 45min of my life finding how to fix it despite all the kb/support.mozilla tricks which does not solve your issue nor did mine. I don’t know what triggers this issue, but several of my websites started to go pear-shaped in a few weeks only affecting me and only firefox.

That’s the solution you are all looking for:

  1. Go to Preferences
  2. Privacy
  3. Click ‘Clear your history‘ (nothing will happen yet, click safely)
  4. Once the pop-up appears, click Details.
  5. Untick everything except ‘Sites Preferences‘
  6. Select ‘Everything‘ in the select box at the top
  7. Click Ok
  8. Try now

Firefox capture

PS: What I did try that did not worked for me are:

  • urlbar.autofill false
  • Forget Website trick
  • Safe mode
  • We all know it is not an HSTS issue when a website you own and you accessed before never got https support but now FF wants you to use https… It is just a firefox bug IMO.

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