In short, if your systems failed in the Amazon cloud this week, it wasn’t Amazon’s fault. You either deemed an outage of this nature an acceptable risk or you failed to design for Amazon’s cloud computing model.
In a story just dripping with irony, e-mail security vendor, McAfee, has accidentally sent the contact details of more than 1400 conference attendees in a spreadsheet attached to a thank you message.
sudo ipfw add deny src-ip 18.104.22.168, 127.0.0.1/8
That should do the trick.