To prevent wordpress from trying to serve the server-status page
local .htaccess file :
# BEGIN WordPress
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# rewrite rule for server-status to prevent 404 error
RewriteCond %{REQUEST_URI} !=/server-status
RewriteRule . /index.php [L]
# END WordPress
To enable local access in the server-status config
/etc/apache2/mods-available/status.conf :
<Location /server-status> SetHandler server-status Order Deny,Allow Deny from all Allow from localhost </Location>