Post: Self-righteous penguins
Self-righteous penguins →
Posted Friday 29th February 2008 18:58 GMT
In Most spam comes from just six botnets
"Tux, cos penguins don't do spam, tinned or otherwise!"
Tried running p0f (Passive OS Fingerprinting) on your smtp server recently? If so you'll find a fair few obviously compromised Linux systems (usually web servers) pumping out spam too. And no, these are not ISP email smarthosts.
Sure, the numbers are not in the same league as the BillyOS Botnets, but running Linux does not imply you will never become part of the problem.
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