Here’s a post tailored for someone searching for — likely looking for a working or urgent method to register Nessus (Tenable’s vulnerability scanner) without an internet connection.
Using a USB drive, copy these files to the offline target machine. Overwrite the existing directories. nessus offline registration hot
Open a browser on a managed workstation (one that can reach the offline server’s IP) and navigate to https://<offline-ip>:8834 . Accept the self-signed certificate warning. nessus offline registration hot