nanog mailing list archives

RE: Spam. Again.. -- and blocking net blocks?


From: Jason Lixfeld <jlixfeld () andromedas com>
Date: 10 Dec 2002 20:54:14 -0500


I like Segal's DoS idea, except instead of the packet generators, let's
be nice and just DDoS port 25 on the sunzofbiatches mail servers/load
balancers...

fight fire with fire... :)

On Tue, 2002-12-10 at 20:39, Scott Silzer wrote:
That is exactly what was done to  to Futureway  a third party spammed 
for a site hosted by a downstream ISP and the result was there entire 
network begging blacklisted by SPEWS.

At 15:41 -0800 12/10/2002, David Schwartz wrote:
On Tue, 10 Dec 2002 15:45:29 -0500, Scott Silzer wrote:

I could understand if an ISP was allowing spam from a portion of
there network.  But in this case the only thing that the ISP did is
host a website, the SPAM was sent from from a third party's network.
The ISP did terminate the customer but in the meantime the entire
NSP's network has been blacklisted, for a rouge webhosting account
does sound a bit harsh.

    A spam blocking service that worked that way would be 
useless. Anyone could
get any site they didn't like blacklisted simply by spamvertising it. Anyone
who uses a spam blocking list that works that way is DoSing themselves.

    DS
-- 
-JaL

"AFAIK, You think I'm a BOFH for continually bashing you over the head
 with a clue-by-four.  OTOH, if you would just RTFM every once in a 
 while, my life would suck *much* less."



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