Newer versions of spice-html5 fix this, it autodetects the proper protocol. See https://cgit.freedesktop.org/spice/spice-html5/tree/spice_auto.html#n94
Newer versions of spice-html5 fix this, it autodetects the proper protocol. See https:/ /cgit.freedeskt op.org/ spice/spice- html5/tree/ spice_auto. html#n94