funsec mailing list archives

RE: How's this for fun?


From: "Larry Seltzer" <larry () larryseltzer com>
Date: Wed, 26 Oct 2005 12:25:29 -0400

Spam generated by zombie PCs seems like a form of Internet pollution to
me.
What's unreasonable about ISPs stopping pollution going out their pipes?
 
Their inability to distinguish between legitimate SMTP traffic and
malicious (spam) SMTP traffic.
That's pretty damned unreasonable in my book.

There are numerous ways for collateral damage to be avoided when ISPs block
port 25: For instance, users can use port 587 where appropriate, or ISPs can
simply whitelist users who request not to be blocked. 

Larry Seltzer
eWEEK.com Security Center Editor
http://security.eweek.com/
http://blog.ziffdavis.com/seltzer
Contributing Editor, PC Magazine
larryseltzer () ziffdavis com 


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