server {
    listen 80;

    client_max_body_size 0;

    proxy_buffering off;

    location / {

        proxy_pass https://144.91.126.206:8443;

        proxy_ssl_verify off;

        proxy_http_version 1.1;

        proxy_set_header Connection "";

        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 https;

        proxy_set_header X-Forwarded-Ssl on;

        proxy_set_header X-Forwarded-Port 443;

        proxy_set_header Upgrade $http_upgrade;

        proxy_set_header Connection "upgrade";

        proxy_redirect off;

        proxy_read_timeout 3600;

        proxy_send_timeout 3600;
    }
}