<div dir="ltr">For those who are intrested. Here&#39;s an article which shows an interesting technique of discovering hosts running UPnP:<div><a href="https://blog.talosintelligence.com/2019/03/ipv6-unmasking-via-upnp.html">https://blog.talosintelligence.com/2019/03/ipv6-unmasking-via-upnp.html</a></div><div><br></div><div>Which is  why I always disable UPnP on my router, I don&#39;t want hosts creating firewall rules on my router.</div><div><br></div><div>Craig...<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>-- </div><div>IPv6 is the future!</div><div><a href="http://ipv6-net.blogspot.ca/" target="_blank">http://ipv6-net.blogspot.ca/</a></div></div></div></div></div></div>