Ошибка в конфиге Nginx

http {

   server {
	   server_name pupkin.ru;
           ...
    }

}

http {

    ...

    include /etc/nginx/conf.d/*.conf;
}

location / {

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;

proxy_pass https://site.org:443/;
}

server {
  listen 80;
  listen [::]:80;
  listen 443 ssl http2;
  listen [::]:443 ssl http2;
  ssl_certificate /usr/local/nginx/conf/ssl/site.xyz.crt;
  ssl_certificate_key /usr/local/nginx/conf/ssl/site.xyz.key;
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
  ssl_ciphers TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECD$
  ssl_prefer_server_ciphers on;
  ssl_session_timeout 10m;
  ssl_session_cache builtin:1000 shared:SSL:10m;
  ssl_buffer_size 1400;
  add_header Strict-Transport-Security max-age=15768000;
  ssl_stapling on;
  ssl_stapling_verify on;
  server_name site.xyz;
  access_log off;
  index index.html index.htm index.php;
  root /data/wwwroot/site.xyz;
  if ($ssl_protocol = "") { return 301 https://$host$request_uri; }

#-------Конфиг /etc/nginx/nginx.conf ---------

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


http {
server  {
        server_name radioscanner.ru www.radioscanner.ru;        # доменное имя реального веб-сервера
        location / {
                proxy_pass       http://www.radioscanner.ru:80; # IP/URL и порт реального веб-сервера
                proxy_redirect   default;
                proxy_set_header Host              $http_host;
                proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
                proxy_set_header X-Real-IP         $remote_addr;
                   }
        listen      192.192.192.192:3333;                      # IP и порт реверсного прокси-сервера
        }
}

events {
    worker_connections  1024;
       }

# ------------------- Конец конфига ----------------------------

# При смене параметров обязательно чистить кеш и куки в Браузере!
# Иначе прокси будет показываеть прежние сайты.