Setup: Syncthing (Docker) + Nginx Reverse Proxy + Cloudflare (HTTPS).
Issue: I’m experiencing a login loop on the WebUI when using HTTPS after enabling authentication.
Details: > * The WebUI is fully functional over HTTP.
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Before setting a password, HTTPS worked as expected.
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After enabling a password, the page entered an infinite refresh loop per second.
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Clearing the browser and Cloudflare cache allows the login page without auto refresh per second, but submitting the correct credentials simply reloads the login interface instead of granting access.
