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Simone Mainardi 0

NetFlow Collection Performance Using ntopng and nProbe

Posted July 19, 2021 · Add Comment

Introduction ntopng, in combination with nProbe, can be used to collect NetFlow. Their use for NetFlow collection is described in detail here. In this post we measure the performance of nProbe and ntopng when used together to collect, analyze, and … Continue reading →

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Simone Mainardi 0

nProbe IPS: How To setup an Inline Layer-7 Traffic Policer in 5 Minutes

Posted July 5, 2021 · Add Comment

Introduction Recently, we have added Intrusion Prevention System (IPS) capabilities to our nProbe. Those capabilities are available starting from the latest 9.5 version, both for Linux and FreeBSD – including OPNsense and pfSense, and are available with all nProbe versions … Continue reading →

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Simone Mainardi 0

Measuring nProbe ElasticSearch Flow Export Performance

Posted July 12, 2019 · Add Comment

nProbe (via its export plugin) supports ElasticSearch flows export. Setting up nProbe for the ElasticSearch export is a breeze, it just boils down to specifying option –elastic. For example, to export NetFlow flows collected on port 2058 (–collector-port 2058)  to … Continue reading →

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Simone Mainardi 0

How to export BGP routing information (AS Path) in network flows

Posted February 28, 2019 · Add Comment

Tools like traceroute have been used for a long time to track the forward path of packets, i.e. the journey of our packets to a remote destination. Unfortunately with traceroute nothing can be said about the path of ingress packets, … Continue reading →

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Emanuele Faranda 0

Network Monitoring 101: A Beginner’s Guide to Understanding ntop Tools

Posted January 22, 2018 · Add Comment

The first important step to start with network monitoring is to analyze what we want to monitor and how to deploy the monitoring solution in the existing network. Here are some important questions to ask ourselves before starting the actual … Continue reading →

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Simone Mainardi 0

nProbe 8.2 stable is out – A Wink At Next-Gen ASA Firewalls

Posted December 4, 2017 · Add Comment

We are pleased to announce that the new 8.2 release of nProbe is out. This release features full Cisco ASA NetFlow support. ASA are industry’s first threat-focused next-generation firewalls that export a rich set of information through NetFlow. Being able to … Continue reading →

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Simone Mainardi 0

Stream That Flow: How to Publish nProbe/Cento Flows in a Kafka Cluster

Posted December 1, 2016 · Add Comment

Apache Kafka can be used across an organization to collect data from multiple sources and make them available in standard format to multiple consumers, including Hadoop, Apache HBase, and Apache Solr. nProbe — and it’s ultra-high-speed sibling nProbe cento — integration with the Kafka … Continue reading →

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