[67620] in North American Network Operators' Group
Re: Anti-spam System Idea
daemon@ATHENA.MIT.EDU (jlewis@lewis.org)
Sat Feb 14 15:37:25 2004
Date: Sat, 14 Feb 2004 15:36:48 -0500 (EST)
From: jlewis@lewis.org
To: Tim Thorpe <tim@cleanyourdirt.com>
Cc: nanog@merit.edu
In-Reply-To: <20040214082505.MGXC28907.imta02a2.registeredsite.com@narzyws>
Errors-To: owner-nanog-outgoing@merit.edu
On Sat, 14 Feb 2004, Tim Thorpe wrote:
> 95% of spam comes through relays and its headers are forged tracking an
> E-mail back that you've received is becoming next to impossible, its also
> very time consuming and why waste your time on scumbags?
s/relays/proxies/
The proxies are tough to find since they can run on any port. Some of
them even pick random ports, then "phone home" to tell the spammer which
IP/port was just created as one of their open proxies.
> my idea;
> a DC network that actively scans for active relays and tests them, it
> compiles a list on a daily basis of compromised IP addresses (or even
> addresses that are willingly allowing the relay) making this list freely
> available to ISPs via a secure and tracked site.
You're a few years late. See http://dsbl.org. For a non-DC version, see
http://njabl.org.
----------------------------------------------------------------------
Jon Lewis *jlewis@lewis.org*| I route
Senior Network Engineer | therefore you are
Atlantic Net |
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