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An alias entry in an LDAP directory is an entry that points to another entry. Following an alias pointer is known as dereferencing an alias. In R5.0.9, there is a new field in Directory Assistance documents for LDAP directories called "Dereference Alias on search." This field has the following options that control searching of aliases in an LDAP directory.
Option | Description |
Never | Never dereference alias entries. Choose this option to improve search performance if there are no alias entries in the directory that require dereferencing. |
InSearching | Dereference alias entries subordinate to a specified search base, but do not dereference an alias search base entry. |
FindingBase | Deference an alias entry for a specified search base, but do not dereference alias entries subordinate to the search base. |
Always | Always dereference aliases. This selection is the default, and the behavior prior to R5.0.9. Note: the field popup help incorrectly states that the default selection is Never. |
Option selected | Entries returned |
Never | o=Acme2 cn=John Doe, o=Acme2 |
InSearching | o=Acme2 cn=John Doe, o=Acme1 |
FindingBase | o=Acme1 cn=John Doe, o=Acme2 |
Always | o=Acme1 cn=John Doe, o=Acme1 |