Hi @bvandehey_9055,
The URL you are using looks correct. IF you click on the Download button and the package actually downloads, then that verifies that it successfully connected. If it was failing to connect to WhiteSource, you would see a page that looks like this:
If you want to verify that ProGet is communicating with WhiteSource, I would just put in a bad value for WhiteSource and attempt to download the package from the ProGet UI. If you get a similar error to above, that verifies the communication to WhiteSource.
Are you using the Product Name or the Product Token in the Product field in the configuration? I would try to use the product token first.
If all of that is setup, then it is most likely an issue with the rules set up within WhiteSource.
Thanks,
Rich
