Hello @pierrelannoy,
I was able to activate the Plugin, but after setting it up and restarting Apache just to be sure, the configuration is not reflected.
$ curl -vvv -LI https://localhost/server-status?auto
I get a 404.
> HEAD /server-status?auto HTTP/1.1
> Host: localhost
> User-Agent: curl/7.64.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
HTTP/1.1 404 Not Found
< Date: Tue, 31 Aug 2021 06:14:14 GMT
Date: Tue, 31 Aug 2021 06:14:14 GMT
< Server: Apache/2.4.48 (Unix) OpenSSL/1.1.1d
Server: Apache/2.4.48 (Unix) OpenSSL/1.1.1d
< X-Powered-By: PHP/7.4.21
X-Powered-By: PHP/7.4.21
< Expires: Wed, 11 Jan 1984 05:00:00 GMT
Expires: Wed, 11 Jan 1984 05:00:00 GMT
< Cache-Control: no-cache, must-revalidate, max-age=0
Cache-Control: no-cache, must-revalidate, max-age=0
< Link: <https://localhost/wp-json/>; rel="https://api.w.org/"
Link: <https://localhost/wp-json/>; rel="https://api.w.org/"
< Content-Type: text/html; charset=UTF-8
Content-Type: text/html; charset=UTF-8