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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Consider the following remarks and requirements for this sensor:
Remark |
Description |
---|---|
LDAP |
This sensor officially supports Microsoft implementations of LDAP. Other third-party LDAP implementations might work but are not officially supported. |
DNS name |
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. |
Performance impact |
This sensor has a medium performance impact. |
IPv4 |
This sensor only supports IPv4. |
The sensor has the following default tags that are automatically predefined in the sensor's settings when you add the sensor:
- ldapsensor
For more information about basic sensor settings, see section Sensor Settings.
Setting |
Description |
---|---|
Connection Security |
Define if the sensor uses an SSL/TLS-secured connection to the LDAP server:
If you select Use LDAP over SSL, you need to enter a DNS name in the settings of the parent device. The sensor does not work with an IP address. |
Port Selection |
Define if you want to use a default port or a custom port for the connection to the LDAP server:
|
Port |
This setting is only visible if you select Use custom port above. 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 |
---|---|
Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, PRTG displays the last value of the primary channel below the sensor's name. The available options depend on what channels are available for this sensor. You can set a different primary channel later by clicking below a channel gauge on the sensor's Overview tab. |
Graph Type |
Define how this sensor shows different channels:
|
Stack Unit |
This setting is only visible if you select Stack channels on top of each other above. Select a unit from the list. PRTG stacks all channels with this unit 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.
Which channels the sensor actually shows might depend on the target device, the available components, and the sensor setup.
Channel |
Description |
---|---|
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 This channel is the primary channel by default. |
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