You can control an ASPnet page to where only users can access it by going to the white list. This regulates the access to only users assigned by the administrator.
Rule-based Access Control
Identity and access management are IT security services which businesses use to control the amount of information which is accessable to users. Access can be tailored to individual users and information, and enables control not only of a user's level of access, but of what the user is capable of using the company's information for once access has been granted.
RBACL stands for a role-based access control list. It is a way to restrict access to a system or computer network to authorized users only. You can assign users specific roles using RBACL.
NTFS on NTFS volumes only
Limited Users
Implementing access control is a very important aspect for any system. It will insure that only authorized users can access the system. To do it you must go through authorization and authentication.
In DBMS you can have users who have only select access or with only select+update+insert access or with select+update+insert+delete access. These users may or may not be granted permissions to alter the table schema. Also you can have administrators who can create/modify/delete tables
allowing a resources owner to add new users to an ACL assigning credential levels to users and resources to ensure only users with appropriate credentials can access a resource assigning roles to users that determine the resources they can access
Confidentiality
Editing Other Users' ProfilesRegistered users may only edit their own profile page. They do not have access to edit another user's profile, for obvious reasons such as vandalism. Only Community Assistants and certain Advanced Supervisors have access to edit other users' profiles.
It will not be possible, because if it was, the value of the access control will be zero and most access controls work with micro processors, that is preprogrammed and only registered service company's have access to the manuals.
The 'Guest' account is usually used by temporary users.