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floatingatoll/hsts-redirect-loop.md

Last active November 20, 2023 17:59
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Firefox reports HSTS + HTTPS-to-HTTP redirects as a redirect loop
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hsts-redirect-loop.md

If you have ERR_TOO_MANY_REDIRECTS / "The page isn't redirecting properly" in Firefox, but your network console doesn't show any obvious loops, and your site includes HSTS / HTTP-Strict-Transport-Security headers;

Then you may have an https:// request that contains an Location: http:// response, which Firefox will occasionally refuse to upgrade to https://.

Update the redirect destination to https:// and see if that solves your problems.

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