Creating Grafana dashboards out of ntopng data basically boils down to: Configuring ntopng to export timeseries data to InfluxDB Configuring the Grafana InfluxDB datasource to extract timeseries data from InfluxDB Adding Grafana Dashboards panels with ntopng data This post aims … Continue reading
Best Practices for the Collection of Flows with ntopng and nProbe
ntopng can be used to visualize traffic data that has been generated or collected by nProbe. Using ntopng with nProbe is convenient in several scenarios, including: The visualization of NetFlow/sFlow data originated by routers, switches, and network devices in general. … Continue reading
PF_RING and Network Namespaces
Last week we made a couple of presentations at LinuxLab 2017 where we spoke about Containers, focusing on Network Namespaces support in PF_RING, and User and IoT-oriented Network Traffic Monitoring on Embedded Devices. With the advent of Containers, processes isolation has become … Continue reading
When Live is not Enough: Connecting ntopng and nProbe via MySQL for Historical Flows Exploration
Using nProbe in combination with ntopng is a common practice. The benefits of this combination are manyfold and include: A complete decoupling of monitoring activities (taking place on the nProbe) from visualization tasks (taking place on ntopng); The capability of … Continue reading
Filling the Pipe: Exporting ntopng Flows to Logstash
Logstash comes in very handy when it is necessary to manipulate or augment data before the actual consolidation. Typical examples of augmentation include IP address to customer ID mappings and geolocation, just to name a few. ntopng natively supports network flows … Continue reading
Best Practices for Efficiently Running ntopng
The default ntopng configuration, is suitable for most of our users who deploy it on a home network or small enterprise network (typically a /24 network) with link speed <= 100 Mbit. This does NOT mean that ntopng cannot operate … Continue reading
Tweaking MySQL to Improve ntopng Flows Storage Space Usage
Edit: MySQL tables engine has been migrated to MyISAM in ntopng 2.4 so this post only applies for versions <= 2.3. This is the first post that tries to give hints on how to tweak MySQL settings to better accomodate … Continue reading
How to Analyse MikroTik Traffic Using ntopng
MikroTik routers are pretty popular in particular in the wireless community and many users of the original ntop are familiar with it. With the advent of ntopng, we have decided to avoid natively supporting netflow in ntopng due to the many “dialects” … Continue reading
Exploring Historical Data Using ntopng: Part 2
ntopng is able to deliver monitored traffic flows data to a MySQL server. We have already discussed how to configure ntopng to deliver this data in another blog post. In this article we discuss the new features that allow you to … Continue reading
Monitoring BitTorrent Traffic with ntopng
ntopng has been designed not just for network administrators, but also for small companies and in particular for families. How often you have seen traffic on your network that you did not expect and you asked yourself what was that about. … Continue reading