How can i set my whole page to private on plone 6?

Plone Support
1

i just imported a website to plone 6, but i found that plone 6 can't set the state to private, can't find any button that set it to private

2

The state of what? Every content item in Plone has it own state (expect the portal object). And the right to access an object is always based on the state of an object, the user's role(e) globally and in within the current context.