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). » about 100 words