Register a Scanner Offline

To register a Nessus scanner offline, obtain the challenge code for the scanner:

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

Challenge code: 4f6123cd8800ba128117be189eac3fe04fede52d7

You can copy the challenge code above and paste it alongside your

Activation Code at:

Once you have obtained your challenge code, go to the offline activation website to enter your activation code and the challenge code:

Once registered, you will receive the URL to copy and paste the license into your browser, and download the plugins and a link to download the nessus.license file. You can also scroll to the bottom of the screen to download the license instead of cutting and pasting it.

After you register your scanner as an offline scanner, paste the license key here:

Optionally, to register a Nessus scanner offline, run the following command:

# /opt/nessus/sbin/nessuscli fetch --register-offline <license.file>


# /opt/nessus/sbin/nessuscli fetch --register-offline nessus.license

Nessus has been registered properly - thank you.