I just find out that QNAP HBS 3 Hybrid Backup Sync 3.0.200326 and Tardigrade gatway works together.
Here are links:
@jensamberg How did you set this up? I was not able to get it to work.
@super3 I created a documentation for you. Sorry pdfs are not allowed. Here is a link
When you have further problems to set it up just ask
Excellent. Forgot to set the server address to 0.0.0.0, so it never left the container. All working now!
Thanks to Mr Wilkinson, I was able to arrange it successfully!
Phase 1 (2GB):
Create backup = Ok
Restore data = OK!
Phase 2 (Full Backup):