Hi Sven,
I think you are correct in your analysis. Our device, Cisco Ironport, doesn't have any issues with what it sees. And I will allow that I don't administer our Ironport appliance, but it is configured to block what it determines to be suspicious websites. I'm guessing they (JPL) are sour because of the fact they let the Chinese in to hack JPL for a ridiculous period of time before figuring it out. A synopsis follows, which I copied and pasted with a link to read more. This article was posted 3/1/2012 on FoxNews.com:
"Chinese hackers gained control over NASA’s Jet Propulsion Laboratory (JPL) in November, which could have allowed them delete sensitive files, add user accounts to mission-critical systems, upload hacking tools, and more -- all at a central repository of U.S. space technology, according to a report released Wednesday afternoon by the Office of the Inspector General.
That report revealed scant details of an ongoing investigation into the incident against the Pasadena, Calif., lab, noting only that cyberattacks against the JPL involved Chinese-based Internet Protocol (IP) addresses.
Paul K. Martin, NASA's inspector general, put his conclusions bluntly.
"The attackers had full functional control over these networks," he wrote.
JPL is a jewel in NASA's space technology crown.
Read more:
http://www.foxnews.com/scitech/2012/03/01/chinese-hackers-nasa-jpl-lab/#ixzz1rqok9yLY
http://www.foxnews.com/scitech/2012/03/01/chinese-hackers-nasa-jpl-lab/