In this tutorial I will explain how to install and configure Ntop on Ubuntu 14.04.

Installing Ntop

You can install ntop by running the following command: During installation you will be asked to enter the password for the administrator. Simply enter your password and finish installation. After installing ntop, start ntop service: By default, ntop listens on port 3000 to display network usage via a web browser. To verify ntop is working, run: You should see an output like the following:

View Ntop

You can see the ntop web interface by typing the url http://your-server-ip:3000 on your web browser.

The ntop screen has the following main menus:

About: what are ntop, credits, documentations and configurations. Summary: traffic, hosts, network load, network flows All protocols: traffic, throughput, activity IP: summary, traffic directions, local Utils: data dump, view log Plugins: many plugins to enable or configure Admin: configure, shutdown

You can see a screenshot of some menus in the following images.

  1. Ntop Configuration You will see the version of ntop, name of operation system and date of ntop configuration.

  2. Global Traffic Status You will see the number of the network interface with IP address and global network traffic statistics.

  3. Host Information You will see the information of your host system like hostname, IP address, MAC address, DNS and your real IP address.

  4. Network Load Statistics You will see your network load statistics of the last ten minutes, last hour, last day and last month.

Conclusion

After installing Ntop, you can easily monitor your network usage, network load and network traffic in real time. Feel free to leave a comment if you have any questions.