CN- common name (
OU- organizational unit (
DC- domain component (
these are the most common attribute types found in an LDAP query string.
LDAP is based on a hierarchical tree structure where a query string such as:
is read from right to left, where right-most represents the top of the tree and the left represents a leaf.
For the example above, the query string references the
Dev-India leaf found at the bottom of the tree: