Use this page to create or modify an access control list entry. Each entry names a principal , which can be either an individual user or a group, and defines four privileges for the principal.
For each of the four privileges, Read, Modify, Execute, or Change Permissions:
Creating a new entry or modifying an existing entry allows you to select either Inherit, Allow, or Deny access entries.
On the server access control table, "Don’t Care" replaces the "Inherit" option.
For more information about access control, see the Access control Help topic.