I've scrapped the security I've been using on my machine in favor of Microsoft Security Essentials. I've also enabled Windows Firewall to see how it works. (I've got a router, so I haven't been using a firewall, but I wanted to see what effect it might have.) Okay, so I tried loading a third-party plugin into a CS6 session, and I get a Windows Security Alert telling me 'Windows Firewall has blocked some features of this program', and it describes Audition, not the third-party plugin, as the reason.
Okay, why would it do that?
It gives me this option if I want it: 'Allow Adobe Audition CS6 to communicate on these networks:
* Private networks, such as my home or work network.
* Public networks...'
Okay, communicate? What does Audition communicate with when I'm online? Is it just the online Help? And why would Windows Firewall block that?
Audition is simply communicating with a separate headless app that comes with Audition that does the plug-in scanning. Because there's a lot of bad plug-ins out there that can crash an application simply by scanning them, we created the separate app that does all of our plug-in scanning in the background. They have to be separate to keep Audition from crashing on bad plug-ins during scan. So the network activity that the firewall is complaining about is simply Audition talking to the dvaaudiofilterscan application in the background that is on a localhost port (i.e. same machine, not talking to anything outside your computer).
The same goes for the dynamiclinkmediaserver (aka DLMS) which loads certain files in a separate application because it uses importer code from Premiere Pro (the most recent versions of Photoshop and Lightroom also use DLMS).
Lastly, you may sometimes see a firewall message if you have EUCON control surface devices because they talk to the computer via ethernet. So if you choose the EUCON control surface plug-in, that can spawn firewall messages as well.
Europe, Middle East and Africa