from: http://serverfault.com/questions/583374/configure-nginx-as-reverse-proxy-with-upstream-ssl

gistfile1.nginxconf

http {

    # enable reverse proxy
    proxy_redirect              off;
    proxy_ssl_session_reuse     off;
    proxy_set_header            Host            $http_host;
    proxy_set_header            X-Real-IP       $remote_addr;
    proxy_set_header            X-Forwared-For  $proxy_add_x_forwarded_for;

upstream streaming_example_com 
{
      server WEBSERVER_IP:443; 
}

server 
{
    listen      443 default ssl;
    server_name streaming.example.com;
    access_log  /tmp/nginx_reverse_access.log;
    error_log   /tmp/nginx_reverse_error.log;
    root        /usr/local/nginx/html;
    index       index.html;

    ssl_session_cache    shared:SSL:1m;
    ssl_session_timeout  10m;
    ssl_certificate /etc/nginx/ssl/example.com.crt;
    ssl_certificate_key /etc/nginx/ssl/example.com.key;
    ssl_verify_client off;
    ssl_protocols        SSLv3 TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers RC4:HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;


   location /
   {
        proxy_pass  https://streaming_example_com;
    }
}
}