I am using TMG 2006 (EBS Edition). Trying to resolve the issue of not being able to upload the file(s). This feature is needed by a third-party application (browser is not being used directly).
I did some research and noticed that some of the features of FTP filter are missing in my version of TMG (Allow Active Mode - that is what this application uses). I only see Read Only which I disabled but it still doesn't work.
Upload from the third-party host works fine after configuring the rules.