Tenable Core + Tenable Nessus

To install and run Tenable Core + Tenable Nessus, your system must meet requirements established for Tenable Nessus and Tenable Core.

Tenable Nessus — see below
Tenable Core — see the Tenable Core + Nessus User Guide

Tenable Core + Tenable Nessus Hardware Requirements

Enterprise networks can vary in performance, capacity, protocols, and overall activity. Resource requirements to consider for Tenable Nessus deployments include raw network speed, the size of the network being monitored, and the Tenable Nessus configuration.

Tenable Nessus Scanners and Tenable Nessus Professional Hardware Requirements

Note: The Tenable Core Disk space requirement identifies the need for 30 GB of disk space, but this does not include additional space for the OS, etc. which can bring the total to 82 GB for the virtual machine itself.

Scenario	Minimum Recommended Hardware
Scanning up to 50,000 hosts per scan	CPU: 4 2GHz cores Memory: 4 GB RAM (8 GB RAM recommended) Disk space: 30 GB, not including space used by the host operating system Note: Your usage (e.g., scan results, plugin updates, and logs) increases the amount of disk space needed over time.
Scanning more than 50,000 hosts per scan	CPU: 8 2GHz cores Memory: 8 GB RAM (16 GB RAM recommended) Disk space: 30 GB, not including space used by the host operating system Note: Your usage (e.g., scan results, plugin updates, and logs) increases the amount of disk space needed over time.

Scenario

Minimum Recommended Hardware

Scanning up to 50,000 hosts per scan

CPU: 4 2GHz cores

Memory: 4 GB RAM (8 GB RAM recommended)

Disk space: 30 GB, not including space used by the host operating system

Note: Your usage (e.g., scan results, plugin updates, and logs) increases the amount of disk space needed over time.

Scanning more than 50,000 hosts per scan

CPU: 8 2GHz cores

Memory: 8 GB RAM (16 GB RAM recommended)

Disk space: 30 GB, not including space used by the host operating system

Note: Your usage (e.g., scan results, plugin updates, and logs) increases the amount of disk space needed over time.

Tenable Nessus Manager Hardware Requirements

Scenario	Minimum Recommended Hardware
Nessus Manager with 0-10,000 agents	CPU: 4 2GHz cores Memory: 16 GB RAM Disk space: 5 GB per 5,000 agents per concurrent scan Note: Scan results and plugin updates require more disk space over time.
Nessus Manager with 10,001-20,000 agents	CPU: 8 2GHz cores Memory: 32 GB RAM Disk space: 5 GB per 5,000 agents per concurrent scan Note: Scan results and plugin updates require more disk space over time. Note: Engage with your Tenable representative for large deployments.

Scenario

Minimum Recommended Hardware

Nessus Manager with 0-10,000 agents

CPU: 4 2GHz cores

Memory: 16 GB RAM

Disk space: 5 GB per 5,000 agents per concurrent scan

Note: Scan results and plugin updates require more disk space over time.

Nessus Manager with 10,001-20,000 agents

CPU: 8 2GHz cores

Memory: 32 GB RAM

Disk space: 5 GB per 5,000 agents per concurrent scan

Note: Scan results and plugin updates require more disk space over time.

Note: Engage with your Tenable representative for large deployments.

Tenable Nessus Supported Browsers

Tenable Nessus supports the following browsers:

Google Chrome (76+)
Apple Safari (10+)
Mozilla Firefox (50+)
Microsoft Edge (102+)