ntopng Archives - Page 18 of 21

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…

ntopng

February 11, 2017

Clustering Network Devices using ntopng Host Pools

In computer networks, devices are identified by an IP and a MAC. The IP can be dynamically assigned (so it might not be persistent), whereas the MAC is (in theory) unique and…

nProbe

December 8, 2016

Monitoring VoIP Traffic with nProbe and ntopng

VoIP applications usually limit theirs monitoring capabilities to the generation of CDR (Call Data Records) that are used for the generation of billing/consumption data. In essence you know how many calls a…

ntopng

October 26, 2016

ntopng MySQL Flow Export: Increase the Maximum Number of Open Files

ntopng uses partitioned MySQL tables when storing flows. As MySQL needs a file handle for each partition and its index, it is important to make sure that the open_files_limit is large enough…

n2disk

October 13, 2016

See You Next Week at the ntop Users Meeting

This is to renew the invitation to meet you next week at the ntop users meeting colocated with Sharkfest Europe. The event is free of charge but seats are limited. More information…

ntopng

July 4, 2016

ntopng 2.6 Roadmap

As we have released 2.4, it is now time to plan for the next release and highlight the list of features we plan to implement so we can start a discussion and…

Guides

July 1, 2016

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.…

ntopng

June 27, 2016

Announcing ntopng 2.4: Efficiency is Beauty

At ntop we are on a mission to develop enterprise-grade networking software, mostly open-source, and free of charge for no-profit/research organizations. Since our inception, we have been passionately and resiliently developing software…

Guides

June 20, 2016

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…

Guides

May 21, 2016

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…

nProbe

March 21, 2016

Advanced Flow Collection with ntopng and nProbe

In flow-based monitoring there are two main components: the probe (a.k.a. flow exporter) and the flow collector/analyser. Usually NetFlow/sFlow is a push mode paradigm as network devices have almost no memory/storage and…

Features

March 1, 2016

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…

Filling the Pipe: Exporting ntopng Flows to Logstash

Clustering Network Devices using ntopng Host Pools

Monitoring VoIP Traffic with nProbe and ntopng

ntopng MySQL Flow Export: Increase the Maximum Number of Open Files

See You Next Week at the ntop Users Meeting

ntopng 2.6 Roadmap

Best Practices for Efficiently Running ntopng

Announcing ntopng 2.4: Efficiency is Beauty

Tweaking MySQL to Improve ntopng Flows Storage Space Usage

How to Analyse MikroTik Traffic Using ntopng

Advanced Flow Collection with ntopng and nProbe

Exploring Historical Data Using ntopng: Part 2