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Filtering Terabytes of pcaps using nBPF and Wireshark
In a previous post we introduced our new nBPF library that able to convert a BPF filter to hardware rules for offloading traffic filtering to the network card. We did not mention that the same engine...
View ArticleSee You Next Week at the ntop Users Meeting
This is to renew the invitation to meet you next week at the ntop users meeting colocated with Sharkfest Europe. The event is free of charge but seats are limited. More information can be found here....
View ArticleIntroducing n2disk 2.8 with Microburst Detection
Together with PF_RING 6.6, today we also released n2disk 2.8. In this release we introduced support for microburst detection in order to spot traffic bursts, which is crucial in identifying potential...
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Drill Down Deeper: Using ntopng to Zoom In, Filter Out and Go Straight to the...
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...
View ArticleBuilding a (Cheap) Continuous Packet Recorder using n2disk and PF_RING [Part 2]
Continuous packet recorders are devices that capture raw traffic to disk, providing a window into network history, that allows you to go back in time when a network event occurs, and analyse traffic up...
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Combining Traffic Recording with Visibility at 100 Gbps
A few months ago, with ntopng 3.8, we introduced support for continuous traffic recording, that allows you to drill down historical data from the timeseries level up to raw packets. This is useful when...
View ArticleIntroducing n2disk 3.4: 100 Gbit Traffic Dump to Disk
This is to announce a new n2disk release 3.4. In addition to major performance optimisations with FPGA-based NICs, this release adds new interesting features including the ability to filter traffic...
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Howto Build a 100 Gbit (Drop-Free) Continuous Packet Recorder using n2disk...
In the first post of this series (part 1) we described how to build a 2×10 Gbit continuous packet recorder using n2disk and PF_RING, in the second post (part 2) we described what hardware is required...
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Exploiting Arista MetaWatch with n2disk and ntopng: HighRes Timestamping and...
Precise packet timestamping is a key feature for network traffic analysis and troubleshooting. Traditionally many people use FPGA-based NICs with precise timestamping (e.g. Napatech, Silicom) even...
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Introducing Smart Recording in n2disk: Combining Cybersecurity with...
In short Continuous network traffic recorders are applications (or appliances) that write network traffic on disk. In case of issues (e.g. security breach or network outage) they enable network and...
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