You need this code to identify your specific Nessus installation to Tenable's servers.
Transfer the downloaded license and plugin files to your offline machine via USB or other secure media. Run the following command: nessus offline activation
How to Activate Nessus Offline (Air-Gapped / No Internet) You need this code to identify your specific
Navigate to: https://plugins.nessus.org/offline.php make sure you have:
Log into your offline system (Computer A) and open a command-line interface (CLI).
Run the nessuscli command based on your operating system: Linux: /opt/nessus/sbin/nessuscli fetch --challenge
Before attempting offline activation, make sure you have: