[129440] in North American Network Operators' Group
Re: ISP port blocking practice
daemon@ATHENA.MIT.EDU (Randy Bush)
Mon Sep 6 21:59:42 2010
Date: Tue, 07 Sep 2010 10:59:23 +0900
From: Randy Bush <randy@psg.com>
To: Suresh Ramasubramanian <ops.lists@gmail.com>
In-Reply-To: <AANLkTikLktmkVhVWvgGExJ3n4MH6GwDyr10Yk4XDi2t8@mail.gmail.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> No. It'd just increase a LOT, astronomically.
>> i suspect that, if we opened smtp relays again, unblocked 25 for
>> consumer chokeband, etc., total spam received would likely increase a
>> bit. =A0but my guess, and i mean guess, is that the limiting parameter
>> could well be how many bots the perps can get, not how well those
>> bots are blocked.
i keep hearing that, but am having a hard time finding supporting data.
randy
