Would you like to learn how to install Ntopng on OPNsense? In this tutorial, we are going to show you all the steps required to perform the Ntopng installation on an OPNsense server in 5 minutes or less.

• OPNsense 19.7

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OPNsense - Zabbix Agent Installation

Open a browser software, enter the IP address of your Opnsense firewall and access web interface.

In our example, the following URL was entered in the Browser:

• https://192.168.15.11

The opnsense web interface should be presented.

opnsense login

On the prompt screen, enter the OPNsense Default Password login information.

• Username: root
• Password: Password set during OPNsense the installation

After a successful login, you will be sent to the OPNSense Dashboard.

opnsense dashboard

Access the Opnsense System menu, access the Firmware sub-menu and select the plugins option.

opnsense plugins

Locate and install the OPNsense plugin named: OS_ZABBIX-AGENT

opnsense zabbix agent installation

In our example, we installed the Zabbix agent plugin version 1.5.

Wait the Zabbix agent plugin installation to finish.

You will need to logoff and login again.

Access the OPNsense Services menu, access the Zabbix Agent sub-menu and select the Settins option.

opnsense zabbix menu

On the Main settings tab, enable the Zabbix agent service and perform the following configuration:

• Hostname - The hostname of the Opnsense firewall
• Listen Port - Zabbix agent default port 10050
• Listen IP - Use 0.0.0.0 to listen on All IP addresses
• Zabbix Servers - The IP address of the Zabbix server

opnsense zabbix agent configuration

On the Zabbix features screen, perform the following configuration:

• Enable Active Checks - Yes
• Active Check Servers - The IP address of the Zabbix server

opnsense zabbix features

Click on the Apply button to finish the Zabbix agent configuration.

Access the Opnsense System menu, access the Diagnostics sub-menu and select the Services option

opnsense services

If the Zabbix agent service is not running, you may start the service manually.

opnsense zabbix service

You have successfully installed the OPNsense Zabbix agent.