Access Requirements

Your Tenable Core + Nessus deployment must meet the following requirements.

Internet Requirements

You must have internet access to download Tenable Core files.

After you transfer a file to your machine, internet access requirements to deploy or update Tenable Core vary depending on your environment.

Environment Tenable Core Format Internet Requirement
Virtual Machine VMware .ova file You do not need internet access to deploy or update Tenable Core.
Microsoft Hyper-V .zip file
Cloud Microsoft Azure n/a  
Hardware .iso image Requires internet access to install or update Tenable Core.

Tip: You do not need access to the internet when you install updates to Tenable Core + Nessus via an offline .iso file. For more information, see Update Tenable Core Offline.

Port Requirements

Your Tenable Core deployment requires access to specific ports for inbound and outbound traffic.

Inbound Traffic

Allow inbound traffic to the following ports:

Port Traffic
TCP 22 Inbound SSH connections.
TCP 8000

Inbound HTTPS communications to the Tenable Core interface.

TCP 8090

Inbound HTTPS communications for restoring backups.

Inbound communications with the file upload server.

Outbound Traffic

Allow outbound traffic to the following ports:

Port Traffic
TCP 22 Outbound SSH connections, including remote storage connections.
TCP 443 Outbound communications to the server for system updates.
UDP 53 Outbound DNS communications for Nessus and Tenable Core.