Tenable Core + Nessus

To install and run Tenable Core + Nessus, your system must meet the following requirements established for Nessus. For more information about Nessus requirements, see Nessus.

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

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.

Nessus Supported Browsers

Nessus supports the following browsers:

• Google Chrome (50+)
• Apple Safari (10+)
• Mozilla Firefox (50+)
• Internet Explorer (11+)

Note: For Nessus 7.0 and later, you must enable Transport Layer Security (TLS) 1.2 in your browser.