I set access control in myQNAPcloud to "Private", but searching for the name of my NAS still works with the info that I set my NAS to Private.
According to User Manual, FAQ and Help from QNap setting access control to private should prevent everyone from finding the NAS at all:
https://support.myqnapcloud.com/faq/_fa ... an?lang=enThe access modes control who can find your device by searching your device name and view the published services. There are three modes:
1) Public -- Everyone with or without signing in with a myQNAPcloud account
2) Customized -- Only the list of permitted myQNAPcloud accounts
3) Private -- Only yourself.
If you would like to allow other people to use myQNAPcloud Link for accessing your device, please configure Customized mode and add them to your permission list.