[Mimedefang] FTC asks ISPs to crack down on zombie PCs
Kelsey Cummings
kgc at sonic.net
Thu May 26 16:04:36 EDT 2005
On Thu, May 26, 2005 at 03:05:26PM -0400, James Ebright wrote:
> On Thu, 26 May 2005 10:58:52 -0700, Kelsey Cummings wrote
>
> > You must block port 25 in both directions to prevent 'triangular routing
> > attacks' from working.
...
> I am not saying we are fool proof, but this attack seems unlikely enough to
> succeed that is it would be unreasonable for us inconvenience to our customer
> base by blocking port 25, not to mention we would probably detect it as a
> potential DOS attack via our IDS fairly quickly anyway simply due to the
> latency/traffic it would cause.
'People in the Know' claim that this is in widespread useage already. I
am presonally only parroting what I've heard from very reputable sources.
--
Kelsey Cummings - kgc at sonic.net sonic.net, inc.
System Architect 2260 Apollo Way
707.522.1000 (Voice) Santa Rosa, CA 95407
707.547.2199 (Fax) http://www.sonic.net/
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