n2jtx
join:2001-01-13
Glen Head, NY
 ·Optimum Online
1 edit | One Thing Right
Cox was among the first ISPs to employ "walled gardens" for users whose systems are infected with malware, cordoning off those customers from the broader Internet until they get their systems cleaned. I have wondered why more ISP's don't do this. One just needs to take a look at the headers of the messages in your SPAM folder to see all of the infected computers out there. Why the ISP's do not act aggressively against infected machines, especially ones that are so easily identified, is beyond me. My business ISP has been very proactive in letting us know when we have had problems in past (employees that installed unauthorized software that wound up making their systems open SMTP relays) but they are in the minority.
Just for fun, I opened a four SPAM messages in raw mode and got the headers:
Received: from pc-128-135-100-190.cm.vtr.net (pc-128-135-100-190.cm.vtr.net [190.100.135.128])
Received: from [70.99.193.3] (helo=cruisecardonline.com)
Received: from [24.102.58.115] (helo=mx1.dishmedirect.com)
Received: from [89.18.160.168] (helo=mx5.ibestcard.com)
Four infected machines that should be booted right now if the ISP's were competent enough to deal with it.
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