Link a Sensor

Required Tenable Vulnerability Management User Role: Scan Manager or Administrator

Required Tenable Web App Scanning User Role: Scan Manager or Administrator

This procedure describes how to link a sensor to Tenable Vulnerability Management.

Linking a sensor to Tenable Vulnerability Management represents a one-time event in managing a sensor, unless you remove the sensor. After you link the sensor, the sensor connects to Tenable Vulnerability Management using unique credentials.

Once you copy the linking key in Tenable Vulnerability Management, you must paste the linking key in the appropriate location of the sensor user interface (for example, the Tenable Nessus Agent CLI or the Tenable Nessus Network Monitor Cloud Settings section). Expand the following sections for specific details.

Note: If you use domain allowlists for firewalls, Tenable recommends adding * (with the wildcard character) to the allowlist. This ensures communication with, which the scanner uses to communicate with Tenable Vulnerability Management. If you are connecting to Tenable Vulnerability Management through Tenable Nessus scanners, Tenable Nessus Agents, Tenable Web App Scanning scanners, or Tenable Nessus Network Monitors (NNM) located in mainland China, you must connect through instead of

Note: Under certain circumstances, you may need to regenerate the linking key. See Regenerate a Linking Key for more information. To learn more about the sensor security and linking keys, see Sensor Security.

To link a sensor:

  1. In the upper-left corner, click the Menu button.

    The left navigation plane appears.

  2. In the left navigation plane, click Settings.

    The Settings page appears.

  3. Click the Sensors tile.

    The Sensors page appears. By default, the Nessus Scanners tab is active and Linked Scanners is selected in the drop-down box.

  4. Then:

What to do next: