server {
    listen 80 default_server;

    sendfile on;
    client_max_body_size 20G;
    client_body_buffer_size 4M;

    root /var/www/upload;
    index index.php index.html index.htm;

    location ^~ /server/php/files {
        deny all;
        return 404;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_buffers 16 64k;
        fastcgi_buffer_size 256k;
        fastcgi_read_timeout 300s;
        fastcgi_send_timeout 300s;
        fastcgi_busy_buffers_size 384k;
        fastcgi_request_buffering off;
        fastcgi_pass unix:/run/php/php7.3-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }
}