Default Data Directories

The default Tenable Nessus data directory contains logs, certificates, temporary files, database backups, plugins databases, and other automatically generated files.

Refer to the following table to determine the default data directory for your operating system.

Operating System	Directory
Linux	/opt/nessus/var/nessus
Windows	C:\ProgramData\Tenable\Nessus\nessus
macOS	/Library/Nessus/run/var/nessus

Note: Tenable Nessus does not support using symbolic links for /opt/nessus/.

Copyright © 2025 Tenable, Inc. All rights reserved. Tenable, Tenable Nessus, Tenable Lumin, Assure, and the Tenable logo are registered trademarks of Tenable, Inc. or its affiliates. All other products or services are trademarks of their respective owners.