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Presence SearchFilter
Presence SearchFilter

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!!! Overview[1]
A presence [LDAP Filter Choice] is used to determine whether an entry contains a specified attribute.
If an entry contains at least one value for a particular attribute, then that entry will match a presence filter targeting the attribute. If an entry does not contain any values for the attribute, then that entry will not match a presence filter targeting the attribute.
The string representation of a presence filter is constructed as follows:
* An open parenthesis
* The attribute description (potentially including attribute options)
* An equal sign
* An asterisk
* A close parenthesis
!! [{$pagename}] [Example]
A presence filter that will match any entry that contains one or more cn values would be "(cn=*)". The presence filter "(objectClass=*)" is often used as a kind of catch-all to match any entry, because every entry must have at least one objectClass value.
A presence search filter is a type of [LDAP SearchFilter] that can be used to identify entries that have at least one value for a specified attribute.
The string representation of an LDAP presence filter is comprised of an opening parenthesis followed by the attribute name, an equal sign, an asterisk, and the closing parenthesis. For example, an equality filter of "{{aci=*)}}" will match any entry containing at least one value for the {{aci}} attribute.
!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [Presence Filters|https://www.ldap.com/ldap-filters|target='_blank'] - based on information obtained 2015-11-21
This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop