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How ntopng Merges Vulnerability Scan with Traffic Monitoring for Better...
ntopng was initially designed as a passive traffic monitoring tool. Over the years we have added active monitoring features such as network discovery, SNMP, and now vulnerability scan. A network...
View Articlentopng 6.0 Webinar Invitation: Nov 15th 3 PM CET / 9 AM EST
Last week we have released ntopng 6.0 that contains many new features and a redesigned user interface. Goal of this webinar is to walk through this new release and show a demo of all the major changes...
View ArticlenDPI: Internals and Frequent Questions
All ntop tools are based on nDPI but not every use is familiar with nDPI internals. We often receive questions about it, and it’s time to answer frequent questions. Q: How nDPI implements protocol...
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HowTo Build a 100 Gbit NetFlow Sensor Using nProbe Cento
When it comes to monitor a distributed network, to get a picture of the Network traffic flowing through the uplinks or on critical Network segments, NetFlow like technologies are usually the answer....
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Securing ClickHouse and MySQL Flow Storage
ntopng stores flows data in various databases including MySQL, Elastic and ClickHouse that is the database storage that we have selected as it outpaces the others in terms of speed and reduced disk...
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HowTo Monitor Network Interface Usage with NetFlow/IPFIX
SNMP is the de-facto protocol for monitoring network devices. Using it, it is possible to monitor “how much” a link is used. What is missing is “how” a link is used. Namely if my Internet link is full,...
View ArticleShort 1-2Q24 Roadmap: ntop Cloud, Towards 200 Gbit, Cybersecurity, Low-end nBox
Happy new year everyone! Thos who followed our November webinar know already that we’re working at new features and improvements in our tools. Below you can find a short list of features we plan to...
View ArticleUsing ntop in Education: South Panola School District
ntop tools are heavily used in education and we’re glad to share a gust post that described the lessons learnt deploying our tools in a a public school district of Mississippi. Enjoy ! South Panola...
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How Sampling and Throughput Calculation Works: NetFlow/IPFIX vs sFlow vs Packets
ntop tools are able to collect various type of flows NetFlow/IPFIX (including dialects such as J-Flow, NetStream) and sFlow/NetFlowLite, this in addition to packet capture/processing. We have decided...
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HowTo Monitor SNMP Interfaces Utilisation and Congestion Rate
Recently, we added the ability in ntopng to monitor link utilisation using NetFlow/IPFIX. In this post, we want to show you how we further improved those functionalities by leveraging SNMP to monitor...
View ArticleIntroducing ntopng Customised Reports
In ntopng 6.0 Dashboard and Traffic Reports have been completely redesigned and rewritten from scratch with a new, flexible engine which is template-based. In a previous webinar we demonstrated how...
View Articleipt_geofence: Protecting Networks using Geofencing, Blocklists and Service...
Last week the ntop team has organised the network devroom at FOSDEM 2024, that took place in Brussels on Feb 2-3. During the devroom we have presented one tool named ipt_geofence that we have created...
View ArticleHowTo Analyse NetFlow/IPFIX/sFlow pcap Traces
Dumping sFlow/NetFlow/IPFIX flows in pcap format can be very useful for troubleshooting or for creating a compact traffic dump. For instance you can dump flow traffic with n2disk (wireshark, or...
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How we have Decreased ntopng Memory Usage by more than 60%
In this blog post we want to shave our experience squeezing ntopng memory usage to fit into small OT monitoring devices manufactured by our partner Endian. Just to give you an idea of the work we did...
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Introducing nBox Mini
As previously announced, we have added a new entry in the nBox product list: the nBox Mini. This is a small rugged device with 1 and 2.5 Gbit Ethernet port designed to be used as turn key solutions for...
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How ntopng Host Traffic Accounting Works
Despite ntop has implemented rich network metrics over the years, the two most important metrics that people keep asking us are volume (how much) and time (how long). Timeseries offer a quick view of...
View ArticleDoS Detection Using ntopng and NetFlow/IPFIX
Recently ntopng has been used in academia for detecting DoS (Denial of Service) attacks using NetFlow flows. In this thesis (note that the document it is written in Italian) it is shown how ntopng has...
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How Historical Traffic Behaviour Analysis Works
In ntopng we have implemented various techniques for analysing historical traffic. This post shows you the options available: In timeseries you can see the current traffic rate (line) or the traffic...
View ArticleAnnouncing ntop Professional Training: May 2024
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 driving force for...
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ntop Cloud: Security Design and Architecture
In late 2023 we have announced the beginning of a new project we have called ntop Cloud. The first goal of this project is to enable ntop applications to communicate regardless of the network topology...
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