Deploying ntopng at Scale: Jessa Ziekenhuis
This is a report from one of our users from the field, who decided to use ntopng to monitor a large network. Many thanks to Bjorn for sharing this information with our…
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What’s New in ntopng: Host Traffic Analysis
Hello everybody! Welcome back to the weekly blog post of this serie used to update you with the latest ntopng features and graphical changes. Please let us know your feedback! Today we…
Howto use Kafka (instead of ZMQ) For Reliable Flow Collection and IPC
Historically, we have used ZMQ for interconnecting nProbe to ntopng, as this is a fast and simple messaging system. However one of they key advantage of ZMQ of being broker-less is sometime…
What’s New in ntopng: Alert Severities
Hello everybody ! We are going to use this new blog-post serie to explain ntopng new features and graphic changes; let we know your feedback! Today we are going to talk about…
Malware Traffic Analysis in ntopng
ntop users have started to use our tools for malware analysis as contrary to packet sniffers or text-based security tools, ntopng comes with a web interface that simplifies the analysis. For this…
Using Blacklists to Catch Malware Communications Using ntopng
A category list is a control mechanism used to label traffic according to a category. In nDPI, the traffic classification engine on top of which ntop applications are built, there are various…
HowTo Use ntopng for Pcap Analysis
Many times traffic analysts receive pcap files containing some traffic to analyse. The usual steps for analysing the pcap file with ntopng have been for a long time: Save the pcap file…
HowTo Visualise ntopng Alerts in Kibana
ntopng can export both flows and alerts in Elastic according to the Elastic Common Schema (ECS) format. You can dump flows (not alerts) in Elastic starting ntopng with -F "es;;;
How to Configure Flow Risk Exclusions in nDPI and ntopng
Flow risks are the mechanism nDPI implements for detecting issues in network traffic whose theoretical design is documented in this paper Using Deep Packet Inspection in CyberTraffic Analysis we have written last…
How We Simplified Data Search in ntopng
ntopng users are familiar with the search box present at the top of each page. It was originally designed to find hosts and jump to their details page. Over the years we…
Dispatching Alerts: How to Master Notifications in ntopng
Alerts in ntopng are the result of traffic analysis based on checks. Checks detect that specific indicators on traffic require attention: for instance a host whose behavioural score has exceeded a given…
Incident Analysis: How to Correlate Alerts with Flows and Packets
In incident analysis it is important to provide evidence of the problem at various level of details: Alerts Alerts are the result of traffic analysis (in ntopng based on checks) that have…
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