Hrrmrm..

gistfile1.txt

server {
  server_name www.example.com;
  rewrite ^ http://example.com$request_uri? permanent;
}

upstream php-example-com-backend {
  server unix:/var/run/php5-fpm.sock;
}


server {
  server_name example.com;
  client_max_body_size 10m;
  root /srv/www/example.com;

  access_log  /var/log/nginx/example.com.access.log;

  keepalive_timeout 5;

  location = /robots.txt {
    access_log off;
    log_not_found off;
  }

  location = /favicon.ico {
    expires 3M;
    access_log off;
    log_not_found off;
  }
  location ~* \.(jpg|jpeg|gif|css|png|js|ico)$ {
    access_log        off;
    expires           30d;
  }

  location / {
    auth_basic "example.com Protected Area";
    auth_basic_user_file /etc/nginx/ext/htpasswd-example.com;
    index  index.php;
  }
  
  location ~ \.php$ {
    fastcgi_pass php-example-com-backend;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME /var/www/example.com$fastcgi_script_name;
    include fastcgi_params;
    fastcgi_param  QUERY_STRING     $query_string;
    fastcgi_param  REQUEST_METHOD   $request_method;
    fastcgi_param  CONTENT_TYPE     $content_type;
    fastcgi_param  CONTENT_LENGTH   $content_length;
    fastcgi_intercept_errors        on;
    fastcgi_ignore_client_abort     off;
    fastcgi_connect_timeout 60;
    fastcgi_send_timeout 180;
    fastcgi_read_timeout 180;
    fastcgi_buffer_size 128k;
    fastcgi_buffers 4 256k;
    fastcgi_busy_buffers_size 256k;
    fastcgi_temp_file_write_size 256k;
  }

}