netsniff-ng

Linux network packet sniffer toolkit

Description

netsniff-ng is a high performance Linux network sniffer for packet inspection. It can be used for protocol analysis, reverse engineering or network debugging. The gain of performance is reached by 'zero-copy' mechanisms, so that the kernel does not need to copy packets from kernelspace to userspace.

netsniff-ng toolkit currently consists of the following utilities:

* netsniff-ng: a zero-copy packet analyzer, pcap capturing/replaying tool

* trafgen: a multithreaded low-level zero-copy network packet generator

* mausezahn: high-level packet generator for appliances with Cisco-CLI

* ifpps: a top-like kernel networking and system statistics tool

* curvetun: a lightweight curve25519-based multiuser IP tunnel

* astraceroute: an autonomous system trace route and DPI testing utility

* flowtop: a top-like netfilter connection tracking tool

* bpfc: a [seccomp-]BPF (Berkeley packet filter) compiler, JIT disassembler

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Homepage

http://netsniff-ng.org/

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