On a machine with internet access, navigate to the official ( https://tenable.com ). Paste your Challenge Code into the designated field.

Copy the .tar.gz file to your offline Nessus server. Common locations:

Run the appropriate command for your operating system to generate the challenge code: /opt/nessus/sbin/nessuscli fetch --challenge Use code with caution. Windows (Command Prompt as Administrator):

Bookmark this guide and check back whenever you need to refresh your offline Nessus scanner. A scanner is only as good as its plugins—and now you have the version.

sudo systemctl stop nessusd

This guide provides a comprehensive walkthrough for downloading and applying the all-2.0.tar.gz plugin package to update your Nessus scanner in an offline environment. Step 1: Obtain Your Challenge Code