server { listen 443 default_server; server_name ""; include include/ssl.conf; # This config won't work without a valid certificate. # We use a dummy certificate instead of a wildcard one as # Let's Encrypt currently does not offer wildcard certificates. # Anyone who hits this virtual server is doing something wrong # anway, so an invalid certificate won't add to their problems. ssl_certificate /etc/nginx/ssl.d/dummy-cert.pem; ssl_certificate_key /etc/nginx/ssl.d/dummy-key.pem; return 444; }