# Drop requests for unknown hosts # # If no default server is defined, nginx will use the first found server. # To prevent host header attacks, or other potential problems when an unknown # servername is used in a request, it's recommended to drop the request # returning 444 "no response". server { listen [::]:443 ssl default_server; listen 443 ssl default_server; include h5bp/directive-only/ssl.conf; return 444; }