On the offline Nessus machine, run the following command in your terminal or command prompt: Linux: /opt/nessus/sbin/nessuscli fetch --challenge
Click submit to receive a unique URL. This URL will prompt you to download the latest plugin archive, such as all-2.0.tar.gz . Installing the Plugins
C:\Program Files\Tenable\Nessus\nessuscli.exe fetch --challenge download nessusupdateplugins all20targz top
Once you have transferred the file to your offline Nessus scanner, you can install it using the UI or the CLI. Option 1: Using the User Interface (UI) Log in to Nessus as an administrator. Navigate to > Software Update . Click Manual Software Update in the top right.
Nessus plugins are essentially programs written in the Nessus Attack Scripting Language (NASL) that contain vulnerability information and remediation steps. The all-2.0.tar.gz archive is the standard format for a full set of these plugins. On the offline Nessus machine, run the following
On a computer with internet access, visit the Tenable Offline Registration page .
The keyword "" refers to the manual update process for Tenable Nessus plugins using a compressed archive file, typically named all-2.0.tar.gz . This process is critical for "air-gapped" or offline environments where the scanner cannot reach Tenable’s update servers directly. Understanding the "all-2.0.tar.gz" File Option 1: Using the User Interface (UI) Log
It allows for a manual, offline update of the scanner’s vulnerability database.
For security reasons, you should only obtain this file from the official Tenable site or through your Tenable Support Portal account. How to Download the Official Plugin Archive