server {
    listen [::]:8006 ipv6only=off;
    listen [::]:8406 ssl http2 ipv6only=off;

    access_log /var/log/nginx/cts.access.log;
    error_log /var/log/nginx/cts.error.log;

    location / {
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Host $host:$server_port;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_pass http://127.0.0.1:9006;
    }
}