One may read this article to learn how to remotely access QNAP:
[How to set up myQNAPcloud to remotely access a QNAP NAS ](https://www.qnap.com/en/how-to/tutorial/article/how-to-set-up-myqnapcloud-to-remotely-access-a-qnap-nas))
The trick is to launch "myQNAPCloud" the app and use this interface to add a new user:
![[myQNAPCloyd_AccessControl.png]]
Then add the user: with proper QNAP ID
![[myQNAPCloud_Access.png]]