To set up Sensor Proxy, ensure you meet the following requirements:

Software Requirements

  • Operating system:
    • Oracle Linux 7, 8, and 9
    • CentOS 7
    • RHEL 7, 8, and 9
  • Set up Sensor Proxy on your network where sensors can reach it internally and where Sensor Proxy can reach Tenable Vulnerability Management directly with outbound traffic.

Note: Sensor Proxy does not support content delivery network (CDN)-based scan reports from Tenable Nessus Agents.

Hardware Requirements


Minimum Recommended Hardware

Sensor Proxy with up to 50,000 sensors

CPU: 4 2GHz cores

Memory: 8 GB RAM

Disk space: 100 GB

Sensor Proxy with more than 50,000 sensors

Note: Each instance of Sensor Proxy can support up to 100,000 linked sensors.

CPU: 4 2GHz cores

Memory: 16 GB RAM

Disk space: 100 GB

Note: Heavy usage of Sensor Proxy can cause the NGINX access log to grow substantially. Tenable recommends setting up log rotation to prevent running out of disk space.

Tenable Products

  • You must have a Tenable Vulnerability Management account.
  • You must have Tenable Nessus Agents or Tenable Nessus scanners.