Directory data is represented as attribute-value pairs. Any specific piece of information is associated with a descriptive attribute.
Each attribute has a corresponding syntax definition. The syntax definition describes the type of information provided by the attribute.
Table A–1 Syntax Types
Syntax Method |
Abbreviation |
Definition |
---|---|---|
Binary |
bin |
Attribute values are binary |
Boolean |
boolean |
Two values possible: Yes or No, True or False, On or Off |
Case Exact String |
ces |
Values are case sensitive |
Case Ignore String |
cis |
Values are not case sensitive |
Telephone |
tel |
Telephone numbers (identical to cis, but blanks and dashes (-) are ignored |
Distinguished Name |
dn |
Indicates values are DN's |
Integer |
int |
Values are numbers |
Operational |
operational |
Not displayed in search results |
Required and allowed attributes for each object class are included in the object class listing.
Unless otherwise noted, attributes are assumed to be multi-valued, that is, more than one instance of the attribute can be specified. Attributes that are single-valued, that is, only one instance of the attribute can be specified, are noted as such in the Syntax heading, found in each attribute definition.