Nginx to Nodejs proxy with SSL

default.conf

server {
  listen 80;
  server_name example.com;

  # Redirect all traffic to SSL
  rewrite ^ https://$server_name$request_uri? permanent;
}

server {

    listen 443 ssl;

    ssl_protocols SSLv3 TLSv1;
    ssl_ciphers ALL:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM;

    server_name example.com;

    access_log /var/log/nginx/access.log;
    error_log  /var/log/nginx/error.log info;

    keepalive_timeout 75 75;

    ssl_certificate /var/www/certs/example.com.crt;
    ssl_certificate_key /var/www/certs/example.com.key;
    ssl_session_timeout  5m;

    location / {
        proxy_set_header   X-Forwarded-For $remote_addr;
        proxy_set_header   Host $http_host;
        proxy_pass         "https://example.com:9000";
    }
}