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Offline Nessus Plugin Update

  1. If not already in place, install a Nessus scanner on the same host as SecurityCenter. It does not need to be started or otherwise configured.

  2. To prevent the Nessus scanner from starting automatically upon restarting the system, run the following command:

    # /sbin/systemctl is-enabled nessusd off

  3. Run the following command and save the challenge string that is displayed:

    # /opt/nessus/sbin/nessuscli fetch –-challenge

  4. Navigate to in your browser.
  5. Take the challenge string from Step 3 and your Activation Code, and place those values in the appropriate options on the web page.
  6. Click Submit.
  7. On the next page, copy the link that starts with and save it as a favorite. Within the saved link change all-2.0.tar.gz to sc-plugins-diff.tar.gz. This link will be needed for future use.

    Do not click the link for nessus-fetch.rc as it is not needed.

  8. Go to the favorite you created.

    The page prompts you to download a file.

  9. Download the file, which will be called sc-plugins-diff.tar.gz.
  10. Save the sc-plugins-diff.tar.gz on the system used to access your SecurityCenter GUI.
  11. Log in to SecurityCenter using an Administrator account.
  12. Click System > Configuration.

    The Configuration page appears.

  13. Click Plugins/Feed.

    The Plugins/Feed Configuration page appears.

  14. In the Schedules section, expand the Active Plugins options.
  15. Click Choose File and browse to the saved sc-plugins-diff.tar.gz file.
  16. Click Submit.

    After several minutes, the plugin update finishes and the page updates the Last Updated date and time.

Copyright 2017 Tenable, Inc. All rights reserved. Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable, Inc.  Tenable,, Assure, and The Cyber Exposure Company are trademarks of Tenable, Inc.  All other products or services are trademarks of their respective owners.