[187819] in North American Network Operators' Group
Re: Thank you, Comcast.
daemon@ATHENA.MIT.EDU (Roland Dobbins)
Fri Feb 26 12:37:50 2016
X-Original-To: nanog@nanog.org
From: "Roland Dobbins" <rdobbins@arbor.net>
To: nanog@nanog.org
Date: Sat, 27 Feb 2016 00:25:01 +0700
In-Reply-To: <56D08871.7080001@2mbit.com>
Errors-To: nanog-bounces@nanog.org
On 27 Feb 2016, at 0:16, Brielle Bruns wrote:
> UDP is a fun protocol - stateless, so blocking a DST of 53/UDP to the
> customer also will block responses to recursive queries that originate
> from SRC 53/UDP.
Which are relatively rare, these days. Any device doing this by default
is likely running out-of-date software that is abusable in multiple
ways.
-----------------------------------
Roland Dobbins <rdobbins@arbor.net>
