Scaling Up ntopng Flow and Packet Processing
As traffic rate increases, it is important to tune packet processing in order to avoid drops and thus educe visibility. This post will show you a few tricks for improving the overall…
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Introducing Modbus Traffic Monitoring in ntopng
Modbus is an industrial protocol used to communicate with automation devices. The initial protocol version was implemented over a serial layer, whereas the current version named ModbusTCP is a variant of the…
OpenAPI: ntopng REST API for Software Developers
Maybe not all of you know that ntopng powers in some popular monitoring systems such as CheckMK and Centreon. The integration is made possible through the ntopng REST API (REST stands for…
OT, ICS, SCADA: IEC 60870-5-104 in ntopng
What is OT, ICS, SCADA ? Operational Technology (OT) refers to computing systems that are used to manage industrial operations or process operations, like water treatment, electrical power distribution or wrapping a…
ntopConf’ 23 Call for Talks is now Open
This year ntop will turn 25. Our call for speakers for the ntop conference 2023 (Pisa, Sept 21-22) is now open. Deadline is June 30th. We want to hear you voice, experience,…
Using nDPI to Monitor Streaming, Messaging and Social Network Traffic
We have created nDPI to label network traffic and extract metadata such as the URL or TLS certificate information. nDPI is the layer on top of which ntop applications are sitting. This…
Now available ntopng/nprobe ARM64 Docker Images
Supporting 64 bit ARM platforms is important because there is now a plethora of inexpensive boards based on this architecture. Thanks to the use of docker containers, several manufacturers allow their devices…
How To Analyse Asymmetric VLAN Traffic
A VLAN is a method for partitioning a layer two broadcast domain creating virtual networks of homogeneous systems hence promoting network segmentation. A ethernet port with no VLAN tag is called access…
How Flow-Based Traffic Classification Works
Many ntop products such as ntopng, nProbe, and PF_RING FT just to name a few are based on network flows. However not all our users know in detail what is a network…
Going Beyond 5-Tuple in Network Flow Analysis
Traditionally flow-based tools are based on the 5-tuple attributes (source and destination IP, source and destination port and the protocol field). Often they are complemented with additional attributes such as VLAN or…
Announcing ntop Professional Training: May 2023
ntop tools range from packet capture, traffic analysis and processing, and sometimes it is not easy to keep up on product updates as well master all the tools. This has been the…
How to Keep your Infrastructure Healthy with ntopng
Almost 3 years ago we introduced Active Monitoring support in ntopng. This allows you to monitor the infrastructure and make sure that all systems are operational. In fact ntopng can continuously monitor…
