Hi all,
On Fri, 10 Jun 2011, WJCarpenter wrote:
Once in my practice I've met an ISP who blocked their client, and when
he contacted call-center he was told "Your account was suspended,
because your computer is heavily infected. Please clean it up, send us
a list of viruses you've identified there, and we will renew your
account".
Comcast (big US cable ISP) does something like this. I experienced it
firsthand when a house-guest had an infected laptop. Comcast applied
filtering to outbound port 25. They then sent me an email explaining
that they had detected spam from my location, suggested ways to check
all my PCs for malware (Comcast also provides a free Norton security
suite to all customers), and told me how I could get port 25 unblocked.
I thought that was remarkably cool: proactive and fair.
It's a nice idea, but it doesn't seem to be working well for Comcast.
They made it onto my local blacklist a long time ago, in July 2008:
drop hosts = 75.144.0.0/13 : 70.88.0.0/13 : 173.8.0.0/13
message = Local blacklist of COMCAST
# spectrum uniforms spam, 080703
# 419 spam, RO, 090409
# chinese spam, US, 100913
# unreadable spam, US, 110112
And I've dropped 451 spams from them to a single IP in the last two years.
Cheers, Chris.
--
_____ __ _
\ __/ / ,__(_)_ | Chris Wilson <[email protected]> Cambs UK |
/ (_/ ,\/ _/ /_ \ | Security/C/C++/Java/Ruby/Perl/SQL Developer |
\__/_/_/_//_/___/ | We are GNU : free your mind & your software |
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