[94457] in North American Network Operators' Group
Re: Anyone from BT...
daemon@ATHENA.MIT.EDU (Tony Finch)
Tue Jan 23 11:51:19 2007
Date: Tue, 23 Jan 2007 16:38:08 +0000
From: Tony Finch <dot@dotat.at>
To: Chris Edwards <chris@eng.gla.ac.uk>
Cc: nanog@merit.edu
In-Reply-To: <Pine.SOC.4.62.0701231504440.8855@spruce.eng.gla.ac.uk>
Errors-To: owner-nanog@merit.edu
On Tue, 23 Jan 2007, Chris Edwards wrote:
>
> Aside from the invalid mails, this article suggests they're mostly
> identifying spam by the source IP (ie. their customer's IP) being listed
> in a DNSBL. So how come they need this super-duper real-time content
> scanning infrastructure ? Why wouldn't they download the DNSBLs, and
> simply run an offline grep for entries in their own IP space ?
I understood from the article that they were just describing an early
prototype and that they were planning to add content scanning checks
later - see the "other spam detection techniques" section.
Tony.
--
f.a.n.finch <dot@dotat.at> http://dotat.at/
FAEROES: NORTHWEST VEERING NORTH 5 TO 7 OCCASIONALLY GALE 8, LATER DECREASING
3 OR 4. ROUGH OR VERY ROUGH. WINTRY SHOWERS. GOOD.