Damn Firewalls…But Which Firewall?

For some reason two CDNs, BitGravity and Castfire, are being blocked on campus. You might think firewall, but the problem even seems to appear outside the firewall.

GreenSQL | Open Source Database Security

GreenSQL promises to protect SQL databases against SQL injections.
GreenSQL works as a reverse proxy and has built in support for MySQL. The logic is based on evaluation of SQL commands using a risk scoring matrix as well as blocking known db administrative commands (DROP, CREATE, etc).