nanog mailing list archives

Re: Incoming SSDP UDP 1900 filtering


From: Sean Donelan <sean () donelan com>
Date: Mon, 25 Mar 2019 10:31:57 -0400 (EDT)

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/


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