Gentoo Project

network monitoring and analysis project

Libraries providing APIs to netlink protocol based Linux kernel interfaces

network Audit Record Generation and Utilization System

Clients for net-analyzer/argus

An ethernet monitor program that keeps track of ethernet/IP address pairings

Fast output system for Snort

Parser for Snort unified/unified2 files

Cacti is a complete frontend to rrdtool

Spine is a fast poller for Cacti (formerly known as Cactid)

DHCP Packet Analyzer/tcpdump postprocessor

Watches network traffic and displays media from TCP streams observed

Network interface bandwidth usage, with support for snmp targets

A daemon which logs TCP/UDP/ICMP packets

Set of IPv6 security/trouble-shooting tools to send arbitrary IPv6-based packets

A small 'net top' tool, grouping bandwidth by process

Ethernet/PPP IP Packet Monitor

A set of tools to collect and process netflow data

Network traffic analyzer with web interface

A tool to perform passive OS detection based on SYN packets

Network packet generator and capture tool

powerful tool for testing stability of utilizing IP protocols

A Python interactive packet manipulation program for mastering the network

Simple Event Correlator

sflowtool is a utility for collecting and processing sFlow data

Realtime network interface monitor based on FreeBSD's pppstatus

Interactive Packet Sniffer

SNMP Trap Translator

The de facto standard for intrusion detection/prevention

flow-based network traffic analyser capable of Cisco NetFlow data export

An SSLv3/TLS network protocol analyzer

Extract and concatenate portions of pcap files

A Tool for analyzing network packet dumps

Utility to trace the route of IP packets

Tool to test TCP and UDP throughput

Data Acquisition library, for packet I/O

A library that performs application layer protocol identification for flows

Open Source Deep Packet Inspection Software Toolkit

Performs automatic updates of GeoIP2 and GeoIP Legacy binary databases

IP Calculator prints broadcast/network/etc for an IP address and netmask

Display NAT connections

Multicast file transfer tool