skip to main content

Directory Services Attribute

Common Name (cn)

Attribute details

LDAP cn attribute properties, usage and population rules
Definition: Typically the account holder's formal full name, and variations of the name.

Common name is the only attribute universally used by LDAP applications for name lookup.
Attribute Name: 'cn' 'commonName'
OID: 2.5.4.3
URN: urn:oid:2.5.4.3
Multiple Values: Multi-valued
Format: Directory String {32768}
The UTF-8 character set is used to encode name values.
Search Syntax: EQUALITY caseIgnoreMatch SUBSTR caseIgnoreSubstringsMatch
Controlled Vocabulary: not applicable
Source: Enterprise Directory People Branch/White Pages Directory People Branch:
The tamuEduPersonOfficialName value will be present.
If the account holder sets a displayName attribute value, that value will also be present in cn.
Additional values are defined by the account holder in the Directory Edit application.
Enterprise Directory Affiliates Branch/Enterprise Directory Sponsored Affiliates Branch:
This attribute contains the tamuEduPersonOfficialName value.
Enterprise Directory Roles Branch/White Pages Directory Roles Branch:
The tamuOfficialName value will be present.
Additional values are defined by the account proxy in the Proxy Edit application.

Directory-specific details

LDAP cn attribute properties that are dependent on directory branch or object class configuration
  Enterprise Directory
People Branch
White Pages Directory
People Branch
Enterprise Directory
Affiliates Branch
Directory URL: ldap.tamu.edu operator.tamu.edu ldap.tamu.edu
Object Class: person person person
Required: yes yes yes
Indexing: Presence (pres): Improves searches for entries that contain the indexed attribute.
Equality (eq): Improves searches for entries that contain an attribute that is set to a specific value.
Substring (sub): Improves searches for entries that contain a specified substring.
Presence (pres): Improves searches for entries that contain the indexed attribute.
Equality (eq): Improves searches for entries that contain an attribute that is set to a specific value.
Substring (sub): Improves searches for entries that contain a specified substring.
Presence (pres): Improves searches for entries that contain the indexed attribute.
Equality (eq): Improves searches for entries that contain an attribute that is set to a specific value.
Substring (sub): Improves searches for entries that contain a specified substring.
Access: Access to Enterprise Directory restricted. If tamuEduSuppress is set to administrative or name, nonauthenticated (anonymous) users have no access.
Otherwise, nonauthenticated users have read access.
(White Pages Directory supports anonymous binds only.)
Access to Enterprise Directory restricted.
Usage: directory search web service directory search directory search web service
Example(s): College, Joe Aggie
College Joe Aggie
College, Joe A
Joe College
College, Joe Aggie
College Joe Aggie
College, Joe A
Joe College
College, Joe Aggie
LDAP cn attribute properties that are dependent on directory branch or object class configuration, continued
  Enterprise Directory
Sponsored Affiliates Branch
Enterprise Directory
Roles Branch
White Pages Directory
Roles Branch
Directory URL: ldap.tamu.edu ldap.tamu.edu operator.tamu.edu
Object Class: person organizationalRole, tamuRoleOrOrg organizationalRole, tamuRoleOrOrg
Required: yes yes (by both) yes (by both)
Indexing: Presence (pres): Improves searches for entries that contain the indexed attribute.
Equality (eq): Improves searches for entries that contain an attribute that is set to a specific value.
Substring (sub): Improves searches for entries that contain a specified substring.
Presence (pres): Improves searches for entries that contain the indexed attribute.
Equality (eq): Improves searches for entries that contain an attribute that is set to a specific value.
Substring (sub): Improves searches for entries that contain a specified substring.
Presence (pres): Improves searches for entries that contain the indexed attribute.
Equality (eq): Improves searches for entries that contain an attribute that is set to a specific value.
Substring (sub): Improves searches for entries that contain a specified substring.
Access: Access to Enterprise Directory restricted. Access to Enterprise Directory restricted. Nonauthenticated (anonymous) users have read access.
(White Pages Directory supports anonymous binds only.)
Usage: directory search web service directory search web service directory search
Example(s): College, Joe helpdesk
HelpDesk Central
helpdesk
HelpDesk Central