authelia refuses to authorize a non-https target: the auth subrequest for
`X-Original-URL: http://…` answers 400, and nginx's auth_request only
understands 2xx/401/403, so a plain-http visit died as "auth request
unexpected status: 400" — a bare 400 in the browser with no hint that a
login exists.
The shared vhostListen binds :80 as well as :443 and every vhost used
addSSL, so the door was open on a port the lock cannot work on. That is
harmless for forge and matrix, where http is merely insecure rather than
broken, so the asymmetry stays local to the one vhost whose correctness
depends on the scheme.
removeAttrs because nixos asserts on a vhost declaring both addSSL and
forceSSL.
Measured against the pinned binary rather than reasoned about:
X-Original-URL: http://constellation…/ -> 400 Bad Request
X-Original-URL: https://constellation…/ -> 401 + Location: auth…?rd=…
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