PRTG Manual: LDAP Sensor
The LDAP sensor monitors directory services via the Lightweight Directory Access Protocol (LDAP). It connects to the server by trying a "bind".
If the server does not respond or authentication fails, the sensor shows the Down status.
For a detailed list and descriptions of the channels that this sensor can show, see section Channel List.
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- This sensor officially supports Microsoft implementations of LDAP. Other third-party LDAP implementations might work but are not officially supported.
- This sensor requires a DNS name in the settings of the parent device if you use a Secure Sockets Layer (SSL)/Transport Layer Security (TLS) secured connection to the LDAP server.
- This sensor has a medium performance impact.
- This sensor only supports IPv4.
Setting |
Description |
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Sensor Name |
Enter a name to identify the sensor. By default, PRTG shows this name in the device tree, as well as in alarms, logs, notifications, reports, maps, libraries, and tickets.
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Parent Tags |
The tags that the sensor inherits from its parent device, parent group, and parent probe.
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Tags |
Enter one or more tags. Confirm each tag with the Spacebar key, a comma, or the Enter key. You can use tags to group objects and use tag-filtered views later on. Tags are not case-sensitive. Tags are automatically inherited.
The sensor has the following default tags that are automatically predefined in the sensor's settings when you add the sensor:
|
Priority |
Select a priority for the sensor. This setting determines the position of the sensor in lists. The highest priority is at the top of a list. Choose from the lowest priority ( |
Setting |
Description |
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Connection Security |
Define if the sensor uses an SSL/TLS-secured connection to the LDAP server:
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Port Selection |
Define if you want to use a default port or a custom port for the connection to the LDAP server:
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Port |
This setting is only visible if you select Use custom port. Enter a custom port for the connection to the LDAP server. Enter an integer. |
Distinguished Name |
Enter the distinguished name (DN) that you want to authenticate against the LDAP server. Usually, this is the information for the user that you want to authenticate with. For example, use the format cn=Manager,dc=my-domain,dc=com for a DN on an OpenLDAP server. |
Password |
Enter the password for the Distinguished Name. |
Setting |
Description |
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Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, the last value of the primary channel is always displayed below the sensor's name. The available options depend on what channels are available for this sensor.
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Graph Type |
Define how different channels are shown for this sensor:
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Stack Unit |
This setting is only visible if you enable Stack channels on top of each other as Graph Type. Select a unit from the list. All channels with this unit are stacked on top of each other. By default, you cannot exclude single channels from stacking if they use the selected unit. However, there is an advanced procedure to do so. |
By default, all of these settings are inherited from objects that are higher in the hierarchy. We recommend that you change them centrally in the root group settings if necessary. To change a setting for this object only, click under the corresponding setting name to disable the inheritance and to display its options.
For more information, see section Inheritance of Settings.
For more information, see section Root Group Settings, section Scanning Interval.
Schedules, Dependencies, and Maintenance Window
You cannot interrupt the inheritance for schedules, dependencies, and maintenance windows. The corresponding settings from the parent objects are always active. However, you can define additional schedules, dependencies, and maintenance windows. They are active at the same time as the parent objects' settings.
For more information, see section Root Group Settings, section Schedules, Dependencies, and Maintenance Window.
For more information, see section Root Group Settings, section Access Rights.
Which channels the sensor actually shows might depend on the target device, the available components, and the sensor setup.
Channel |
Description |
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Downtime |
In the channel table on the Overview tab, this channel never shows any values. PRTG uses this channel in graphs and reports to show the amount of time in which the sensor was in the Down status |
Response Time |
The response time
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