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Simone Mainardi 0

ntopng 4.0: A Refreshed Look with Dark Themes!

Posted April 7, 2020 · Add Comment

The latest ntopng 4.0 has a renewed look. The main changes we have introduced are: An always-on-top status bar. Key information on the health and status of the network is essential for the analyst and it must be always visible … Continue reading →

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Simone Mainardi 0

Merging Infrastructure and Traffic Monitoring: Integrating ntopng with Icinga

Posted August 26, 2019 · Add Comment

Icinga2 is an open source monitoring system which checks the availability of hosts and services, notifies users of outages and generates performance data for reporting. Thanks to its scalability and extensibility, it has become very popular (as Nagios successor) and … Continue reading →

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Simone Mainardi 0

Identifying Suspicious Flows: Network Issues or Misbehaving Hosts ?

Posted February 9, 2019 · Add Comment

Starting from the latest 3.9 version, ntopng features and handy dropdown menu that allows you to filter flows on the basis of their current TCP state. Being able to filter flows on the basis of their TCP state is particularly … Continue reading →

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Simone Mainardi 0

Drill Down Deeper: Using ntopng to Zoom In, Filter Out and Go Straight to the Packets

Posted December 24, 2018 · Add Comment

ntopng has grown significantly over the past years, providing an increasingly-interesting set of features to support network analysts and troubleshooters in their decisions. Among the most relevant features, it is worth mentioning that timeseries inspection pages have been redesigned and … Continue reading →

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Simone Mainardi 0

ntopng Disk Requirements for Timeseries and Flows

Posted December 14, 2018 · Add Comment

Being able to do a priori estimations of the space that ntopng is going to use in a production environment is fundamental for the provisioning of the storage. In this post we try to estimate the space used by ntopng … Continue reading →

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Simone Mainardi 0

Remote ntopng Authentication with RADIUS and LDAP

Posted December 10, 2018 · Add Comment

In large organizations, it is common to have a centralised authentication system usually named AAA (Authentication, Authorization and Accounting). Managing users typically involves the definition and enforcement of the rights to do some operations or to access certain resources in … Continue reading →

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Simone Mainardi 0

Best Practices to Secure ntopng

Posted June 6, 2018 · Add Comment

After a fresh install, ntopng will run using a default, basic configuration. Such configuration is meant to provide an up-and-running ntopng but does not try to secure it. Therefore, the default configuration should only be used for testing purposes in … Continue reading →

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Simone Mainardi 0

ntopng goes Elastic: Introducing ElasticSearch 6 Support

Posted May 11, 2018 · Add Comment

As you ntopng users know, out of the Elastic toolset ntopng supports both ElasticSearch and LogStash. You can use them using the -F flag: –dump-flows|-F] <mode> | Dump expired flows. Mode: | es Dump in ElasticSearch database | Format: | … 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

Announcing ntopng 3.2 – The First Move Towards Active Network Monitoring

Posted December 4, 2017 · Add Comment

Today we are glad to announce the new 3.2 stable release of ntopng. Among the most important new features available in this release, there is without any doubt an advanced network devices discovery functionality. Historically, ntopng has always been a … Continue reading →

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  • Why nProbe+JSON+ZMQ instead of native sFlow/NetFlow support in ntopng?Both sFlow and NetFlow/IPFIX are the two leading network monitoring [...]
  • Detecting and Analysing Qakbot Traffic Using ntopngIn this post Martin shows how he has used ntopng [...]
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  • Best Practices for High Speed Flow CollectionMost people use nProbe and ntopng to collect flows using [...]
  • What is Score, and How It can Drive You Towards Network IssuesTelemetry protocols such as sFlow/NetFlow SNMP or packet-based traffic analysis [...]
  • How To Monitor Traffic Behind a Firewall (During and Post Pandemic)Due to pandemic many people are now working in a [...]
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