nginx proxy for elasticsearch

nginx-es.conf

worker_processes  1;

events {
  worker_connections  1024;
}

http {
  include       mime.types;
  default_type  application/octet-stream;

  sendfile        on;
  keepalive_timeout  65;

  server {
      listen 80 default;
      location / {
              rewrite ^(.*) https://$host$1 permanent;
      }
  }

  server {
      listen       443 default;
      ssl                  on;
      ssl_certificate      /etc/ssl/private/webscale.pem;
      ssl_certificate_key  /etc/ssl/private/webscale.pem;
      ssl_session_timeout  5m;
      ssl_protocols  SSLv3 TLSv1;
      ssl_ciphers  HIGH:MEDIUM:!ADH;
      ssl_prefer_server_ciphers   on;
      ssl_session_cache shared:SSL:10m;

      location / {
        auth_basic           "Restricted";
        auth_basic_user_file .htpasswd;
        proxy_pass http://0.0.0.0:9200/;
        proxy_set_header  X-Real-IP  $remote_addr;
        proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header  X-Forwarded-Protocol https;
        proxy_set_header  Host $http_host;
      }
      error_page   500 502 503 504  /50x.html;
      location = /50x.html {
          root   html;
     }
   }
}