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Configure Nessus

Note: See the Activation and Configuration video for details on how to configure Nessus in your web browser.

Before You Begin

When you access Nessus in a web browser, a warning appears regarding a connection privacy problem, an untrusted site, an unsecure connection, or a related security certificate issue. This is expected and normal behavior. Nessus provides a self-signed SSL certificate.

Refer to the Security Warnings section for steps necessary to bypass the SSL warnings.

Note: Depending on your environment, plugin configuration and initialization can take several minutes.

To configure Nessus:

  1. On the Create an account window, enter a username and password for the Nessus System Administrator account.

  2. Click the Continue button.
  3. On the Register your scanner window, in the Scanner Type drop-down box, select the method by which you want to register Nessus:

  4. In the Activation Code box, type your activation code.
  5. Click the Continue button.

    You have successfully configured Nessus, and the Nessus web interface appears.

Copyright © 2019 Tenable, Inc. All rights reserved. Tenable,, Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable, Inc.., Lumin, Assure, and the Cyber Exposure Company are trademarks of Tenable, Inc. All other products or services are trademarks of their respective owners.