restricted access

Restricted access refers to a resource that is available in a system but with some type of restriction for full open access. This type of access can occur in a number of different situations. Some examples are described below:
The user must log-in to the system in order to access the resource
The user must send an email to the author or system administrator to access the resource
Access to the resource is restricted to a specific community (e.g. limited to a university community)