Upgrading custom ports was never a good idea but it is what the specification draft required. I built, then got the spec draft changed and now I'm in the. process of removing it again. In the meantime setting `dom.security.https_first_for_custom_ports` to false in about:config should fix it.
Bug 1938323 Comment 3 Edit History
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Upgrading custom ports was never a good idea but it is what the specification draft required. I built it, then got the spec draft changed and now I'm in the. process of removing it again. In the meantime setting `dom.security.https_first_for_custom_ports` to false in about:config should fix it.