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Access Requirements

Your Tenable.io on-prem deployment must meet the following internet and port access requirements.

Internet Access Requirements

Your Tenable.io on-prem deployment requires access to the internet, with or without going through a proxy server. On-prem performs best with network speeds of 100 Mbps or above.

Port Access Requirements

Your Tenable.io on-prem deployment requires access to specific ports for inbound and outbound traffic.

Inbound Traffic

Port Traffic
22 All SSH connections.
443

The Tenable.io interface and NNM, Nessus scanner, Nessus agent, and Tenable Core for Web Application Scanning scanner connections.

3000 The Grafana interface, if enabled.
8000 The Tenable.io on-prem configuration interface.
8900 The Kibana interface, if enabled.

Outbound Traffic

Port Traffic
22 All SSH connections.
443 The appliance.cloud.tenable.com server (for system updates) and the plugins.nessus.org server (for activation and plugin updates).

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