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admin 0

Exploiting Hardware Filtering in PF_RING-aware apps, Snort…

Posted November 15, 2011 · Add Comment

Introduction PF_RING filters have been designed to be efficient and versatile. PF_RING-based applications can use them for both reducing the amount of packets they need to process, and passing incoming packets to kernel plugins for further processing. Years ago, hardware … Continue reading →

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admin 0

Released PF_RING 5.1 and TNAPIv2

Posted September 25, 2011 · Add Comment

PF_RING 5.1 is a maintenance release that addresses some issues we identified in 5.0 that we released early this month. We have listen to your comments and tried to improve our software applications both in terms of stability and speed. … Continue reading →

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admin 0

PF_RING 5.0 Introduced: DNA 1/10 Gbit and vPF_RING

Posted September 8, 2011 · Add Comment

We’ve just cut the code of PF_RING 5.0. As it contains many changes with respect to the previous version, it deserved a major version number. We refreshed our DNA drivers to 1 Gbit Intel NICs (e1000e and igb families) in … Continue reading →

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lucaderi 0

Packet Capture Performance at 10 Gbit: PF_RING vs TNAPI

Posted May 10, 2011 · Add Comment

Many of you are using PF_RING and TNAPI for accelerating packet capture performance, but have probably not tested the code for a while. In the past month we have tuned PF_RING performance and squeezed some extra packets captured implementing the … Continue reading →

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lucaderi 0

ntop and Silicom Inc join the forces

Posted March 28, 2011 · Add Comment

Since a few months ntop and Silicom have started to work together on various network-related topics. The idea is to enhance PF_RING and  TNAPI in order to offer better products and support for both the community and Silicom customers. Furthermore, … Continue reading →

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lucaderi 0

10 Gbit Hardware Packet Filtering Using Commodity Network Adapters

Posted September 4, 2010 · Add Comment

The promise of filtering packets in hardware is not new. Unfortunately filtering network adapters are pretty expensive, not to mention if they run at 10 Gbit. Furthermore many commercial FPGA-based NICs feature hardware packet filtering, but often require card reconfiguration … Continue reading →

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lucaderi 0

10 Gbit PF_RING-based Hardware Packet Filtering and Balancing Previewed at the Intel Europe Conference

Posted May 5, 2010 · Add Comment

Intel Research Europe Conference, Bruxelles, May 4th 2010 Luca Deri and Joseph Gasparakis, senior Intel engineer, have previewed a new PF_RING-based technology they have co-developed that allows Linux users to fully exploit the hardware capabilities of the newest Intel X520 … Continue reading →

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lucaderi 0

PF_RING and Transparent Mode

Posted March 7, 2010 · Add Comment

PF_RING has been designed for enhancing packet capture performance. This means that the RX path must be accelerated, and in particular a way to accelerate this is by reducing the journey of the packet from the adapter to userland. This … Continue reading →

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lucaderi 0

Exploiting Commodity Multi-core Systems for Network Traffic Analysis

Posted January 30, 2010 · Add Comment

This article Improvement of libpcap for lossless packet capturing in Linux using PF_RING kernel patch positions PF_RING (3.x, so some changes are needed when using version 4) against the Linux standard PF_PACKET packet capture facility. In PF_RING v4, due to … Continue reading →

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lucaderi 0

Port Mirror vs Network Tap

Posted January 1, 2010 · Add Comment

In order to analyze network traffic, it’s necessary to feed ntop/nProbe with network packets. There are two solutions to the problem: port mirror (also called SPAN in Cisco parlance) network tap Prior to explain the differences between these two solutions, … Continue reading →

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