error_page 404 /404.html; VS access_log off;

server {
  listen 80 default_server;

  root /var/www;

  access_log /var/log/nginx/default_access.log;
  error_log /var/log/nginx/default_error.log;

  location / {
    try_files $uri $uri/ =404;
  }

  error_page 404 /404.html;
  location /favicon.ico {
    access_log off;
  }
}