Incoming SSDP UDP 1900 filtering

[sean at donelan.com (Sean Donelan)]

On Mon, 25 Mar 2019, Tom Hill wrote:
> On 25/03/2019 09:17, Sean Donelan wrote:
>> Its always a bad idea to do packet filtering at your bgp border.
>
> Wild assertion. Why?

My mistake trying to keep it simple. I should have just posted Barry 
Greene's link.

http://www.senki.org/exploitable-port-filtering/