Malformed PNG Files

[maverick]

Has anyone else experienced false positives with the Malformed PNG file signature under Application Intelligence/Content Protection.

I have a webserver in my DMZ which hosts a Java application, when my internal hosts download the needed JAR files from the server, I get the alert. These PNG files seem valid, I scanned them for malicious code with numerous AV scanners, and everything looks fine to me. Since I'm running R55, I cannot create an exception, so I'm forced to run it in Monitor-only mode.

Any ideas on what is triggering these alerts?

[chillyjim]

Install HFA 17.

R60 has a lot of SMDF fixes in it BTW.