I'm thinking doing this at the client level might be the place to begin:

Is there a way to prevent my users from uploading either certain file
names or certain file types to my Netware Servers?

For example could I block *.mp3 from being saved to the server?

Or even better: Could I block IMG_*.jpg from being saved to the server?

We have over 54,000 IMG*.jpg pix stored there and no one is ever going to
look at them. I'm trying to stop the insanity before it gets any worse.

Any and all help is greatly appreciated!