default server

# Default server configuration
#
server {
        listen 80 default_server;
        listen [::]:80 default_server;

Nginx: nginx -t, nginx.conf, /etc/nginx/fastcgi.conf, Nginx Sample Configurations, server, ssl_certificate, redirect, return, rewrite, sendfile, request_uri, server_name, listen, /etc/nginx/snippets/, /etc/nginx/sites-enabled/default