: On a computer with internet access, navigate to the Nessus Offline Registration Page .
If you meant you wanted a (pseudocode) of how --challenge works internally, or a new related feature (e.g., --challenge --json for automation), let me know.
To use this command, you must have administrator or root privileges on the machine where Nessus is installed. 1. Generate the Code
challenge code and receives an activation code.
nessuscli fetch --challenge