Host-Based Firewalls

Port 8834

The Nessus user interface uses port 8834. If not already open, open port 8834 by consulting your firewall vendor's documentation for configuration instructions.

Allow Connections

If you configured the Nessus server on a host with 3rd-party firewall such as ZoneAlarm or Windows firewall, you must configure it to allow connections from the IP addresses of the clients using Nessus.

Nessus and FirewallD

You can configure Tenable Nessus to work with FirewallD. When you install Tenable Nessus using firewalld, you can configure firewalld with the Nessus service and Nessus port.

To open the ports required for Nessus, use the following commands: