Tenable Core + Nessus

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

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

Tenable Core + Nessus Hardware Requirements

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

Nessus Scanners and 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.

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: 30 GB, not including space used by the host operating system. 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: 64 GB RAM Disk space: 30 GB, not including space used by the host operating system. 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: 30 GB, not including space used by the host operating system.

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: 64 GB RAM

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

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

Note: Engage with your Tenable representative for large deployments.

Nessus Supported Browsers

Nessus supports the following browsers:

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