peer closed connection in SSL handshake (104: Connection reset by peer) while SSL handshaking

user  user;
#user  nobody;
worker_processes  1;
worker_rlimit_nofile 200000;
events {
    worker_connections  20000;
}


http {
    include       mime.types;
    default_type  application/octet-stream;
    #proxy_cache all;
    open_file_cache max=200000 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 2;
    open_file_cache_errors on;
    access_log off;
    #expires 1d;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 30;
    keepalive_requests 1000;
    reset_timedout_connection on;
    client_body_timeout 20;
    send_timeout 20;
    proxy_buffer_size 32k;
    proxy_buffers 64 32k;

	
	server {
        listen       450 ssl;
        #server_name localhost;
        #access_log  logs/access.log  main;
        ssl_certificate      /etc/nginx/cert/cert.pem;
        ssl_certificate_key  engine:gostengy:c:le-000000-afe9-00-84a6-0000000;
        ssl_session_cache    shared:SSL:10m;
        #ssl_session_cache off;
        ssl_session_timeout  1h;
        #ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_ciphers GOST2012-GOST8912-GOST8912:GOST2001-GOST89-GOST89:HIGH;
        ssl_prefer_server_ciphers  off;
        location / {
                        proxy_connect_timeout       30s;
                        proxy_send_timeout          30s;
                        proxy_read_timeout          30s;
                        send_timeout                30s;
                        #proxy_pass http://192.168.0.111:000;
                        proxy_ssl_server_name on;
                        proxy_set_header Host $host;
                        proxy_http_version 1.1;
                        proxy_set_header Upgrade $http_upgrade;
                        proxy_set_header x-real-ip $remote_addr;
                        #proxy_set_header x-arr-ssl "1";
                        proxy_set_header Connection "upgrade";
        }
	}
	
	
}