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

Equipment list

The following section presents the list of equipment used to create this tutorial.

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OPNsense – Ntopng 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-REDIS

opnsense redis installation

Locate and install the OPNsense plugin named: OS-NTOPNG

opnsense ntop installation

In our example, we installed the Ntopng plugin version 1.2.

Wait the Ntop plugin installation to finish.

You will need to logoff and login again.

Access the OPNsense Services menu and select the Redis option.

opnsense redis menu

On the General settings tab, enable the Redis service and click on the Apply button.

opnsense redis service

Access the Opnsense Services menu and select the NTOPNG option.

opnsense ntop menu

On the General tab, perform the following configuration:

• Enable the Advanced mode – Yes
• Enable NTOPNG – Yes
• Interfaces – LAN

Click on the Save button.

opnsense ntopng configuration

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

opnsense services

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

opnsense ntop service

Congratulations! You have finished the Ntopng installation on an OPNSense server.

OPNsense – Accessing Ntopng Web Interface

After finishing installation, you need to learn how to acess the Ntpong web interface.

Open a browser software, enter the IP address of your Opnsense firewall :3000 and access web interface.

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

• http://192.168.15.11:3000

The opnsense web interface should be presented.

ntopng login

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

• Username: admin
• Password: admin

The system will request you to change the admin user password.

ntop change password

After changing the password, you will be sent to the NTOPNG Dashboard.

ntopng dashboard

You are now able to use Ntopng on an OPNsense firewall.