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How enable DPI-based Traffic Management in pfSense using nEdge

Posted March 19, 2019 · Add Comment

We have been receiving several inquiries from pfSense users who would love to complement the classical firewall-style pfSense features with the inline Layer-7-based traffic policing offered by nEdge. Being able place pfSense and nEdge side by side allows to overcome … Continue reading →

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sFlow Collection and Analysis with nProbe and ntopng

Posted November 9, 2018 · Add Comment

sFlow, short for sampled Flow, is a sampling technology designed to export network devices information, namely: Interface counters (à la SNMP MIB-II); Traffic packets (à la ERSPAN). sFlow agents run on switches, routers, firewalls and other devices, and periodically export … Continue reading →

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Using nProbe for Collecting Ixia IPFIX with IxFlow extensions

Posted November 9, 2018 · Add Comment

Ixia allows to enrich IPFIX records with value-add extensions. Additional information that can be exported, along with standard fields such as source and destination IP addresses, include: Geographical information such as region IP, latitude and city name Application ID or … Continue reading →

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Using nProbe and ntopng for Collecting and Visualizing Sonicwall Flows

Posted October 5, 2018 · Add Comment

nProbe is both a probe and a NetFlow/sFlow collector. Recently, we’ve also added added the ability to collect flows with proprietary information elements. This greatly improves nProbe flexibility as any custon, vendor-proprietary information element can be understood, correctly parsed, and … Continue reading →

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Best Practices for the Collection of Flows with ntopng and nProbe

Posted September 20, 2018 · Add Comment

ntopng can be used to visualize traffic data that has been generated or collected by nProbe. Using ntopng with nProbe is convenient in several scenarios, including: The visualization of NetFlow/sFlow data originated by routers, switches, and network devices in general. … Continue reading →

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Cloud, IoT, sFlow Traffic Monitoring Tutorials #SFUS18

Posted July 5, 2018 · Add Comment

Last week we have presented two tutorials at the Sharkfest US 2018 edition: sFlow: Theory and practice of a sampling technology [ slides ] Packet monitoring in the days of IoT and Cloud [ slides ] We believe these tutorials are … Continue reading →

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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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ntopng Grafana Integration: The Beauty of Data Visualizazion

Posted October 8, 2017 · Add Comment

Disclaimer This article is outdated: please see this document for using ntopng with grafana Summary Grafana is one of the most widely known platforms for metrics monitoring (and alerting); ntopng version 3.1 natively integrates with Grafana thanks to a datasource plugin … Continue reading →

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When Live is not Enough: Connecting ntopng and nProbe via MySQL for Historical Flows Exploration

Posted August 14, 2017 · Add Comment

Using nProbe in combination with ntopng is a common practice. The benefits of this combination are manyfold and include: A complete decoupling of monitoring activities (taking place on the nProbe) from visualization tasks (taking place on ntopng); The capability of … Continue reading →

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Filling the Pipe: Exporting ntopng Flows to Logstash

Posted April 3, 2017 · Add Comment

Logstash comes in very handy when it is necessary to manipulate or augment data before the actual consolidation. Typical examples of augmentation include IP address to customer ID mappings and geolocation, just to name a few. ntopng natively supports network flows … Continue reading →

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