aimsniff

Utility for monitoring and archiving AOL Instant Messenger messages across a network

amap

A network scanning tool for pentesters

angst

an active sniffer that provides methods for aggressive sniffing on switched LANs

argus

network Audit Record Generation and Utilization System

argus-clients

Clients for net-analyzer/argus

arp-sk

A swiss knife tool for ARP

arping

A utility to see if a specific IP address is taken and what MAC address owns it

arpoison

A utility to poison ARP caches

arptools

a collection of libnet and libpcap based ARP utilities.

arpwatch

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

authforce

An HTTP authentication brute forcer

barnyard

Fast output system for Snort

barnyard2

Parser for Snort unified/unified2 files

base

A web-based front-end to the Snort IDS.

bigeye

Bigeye is a network utility dump and simple honeypot utility

bing

A point-to-point bandwidth measurement tool.

bmon

interface bandwidth monitor

braa

Quick and dirty mass SNMP scanner

bsnmp

Mini-SNMP Daemon and Library

bwbar

The kernel.org "Current bandwidth utilization" bar

bwm-ng

Bandwidth Monitor NG is a small and simple console-based bandwidth monitor

bwmon

Simple ncurses bandwidth monitor

cacti

Cacti is a complete frontend to rrdtool

cacti-spine

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

calamaris

Calamaris parses the logfiles of a wide variety of Web proxy servers and generates reports

carl

An rsync logfile analyzer

centreon

Centreon is a monitoring web-frontend based on the nagios monitoring engine

chaosreader

A tool to trace TCP/UDP/... sessions and fetch application data from snoop or tcpdump logs.

cnet

Network simulation tool

cryptcat

netcat clone extended with twofish encryption

cutter

TCP/IP Connection cutting on Linux Firewalls and Routers

darkstat

darkstat is a network traffic analyzer

dhcpdump

DHCP Packet Analyzer/tcpdump postprocessor

dhcp_probe

dhcp_probe attempts to discover DHCP and BootP servers on a directly-attached Ethernet network

dnstracer

Determines where a given nameserver gets its information from

dosdetector

Tool to analyze and detect suspicious traffic from IP and alert about it

driftnet

A program which listens to network traffic and picks out images from TCP streams it observes

dsniff

A collection of tools for network auditing and penetration testing

echoping

echoping is a small program to test performances of remote servers

egressor

tool for checking router configuration

etherape

A graphical network monitor for Unix modeled after etherman

ethloop

Local simulator for testing Linux QoS disciplines

ethstatus

ncurses based utility to display real time statistics about network traffic.

ettercap

A suite for man in the middle attacks and network mapping

fail2ban

Bans IP that make too many password failures

fe3d

A 3D visualization tool for network security information

ffp

a tool to do fuzzy fingerprinting for man-in-the-middle attacks

firewalk

A tool for determining a firewall's rule set

flow-tools

Flow-tools is a package for collecting and processing NetFlow data

FlowScan

Program to report and analyze flow files

fping

A utility to ping multiple hosts at once

fprobe

A libpcap-based tool to collect network traffic data and emit it as NetFlow flows

fragroute

fragroute was written to aid in the testing of network intrusion detection systems, firewalls and basic TCP/IP stack behaviour.

ftester

Ftester - Firewall and Intrusion Detection System testing tool

fwlogwatch

A packet filter and firewall log analyzer

gensink

Gensink 4.1, a simple TCP benchmark suite.

gnome-netstatus

Network interface information applet

gnome-nettool

Collection of network tools

gnu-netcat

the GNU network swiss army knife

gspoof

A simple GTK/command line TCP/IP packet generator

honeyd

Honeyd is a small daemon that creates virtual hosts on a network

hping

A ping-like TCP/IP packet assembler/analyzer

httping

http protocol ping-like program

hunt

tool for checking well known weaknesses in the TCP/IP protocol

hydra

Advanced parallized login hacker

ibmonitor

Interactive bandwidth monitor

ifmetric

A Linux tool for setting the metrics of all IPv4 routes attached to a given network interface at once.

ifstat

Network interface bandwidth usage, with support for snmp targets.

ifstatus

A simple CLI program for displaying network statistics in real time.

iftop

display bandwidth usage on an interface

ike-scan

A utility for finding, fingerprinting and testing IKE VPN servers

ipac-ng

ip accounting suite for 2.4 and 2.6 series kernels with text and PNG image output like mrtg

ipaudit

IPAudit monitors network activity on a network by host, protocol and port.

ipband

A pcap based IP traffic and bandwidth monitor with configurable reporting and alarm abilities

ipcad

IP Cisco Accounting Daemon

iplog

iplog is a TCP/IP traffic logger

ippl

A daemon which logs TCP/UDP/ICMP packets

iptraf

IPTraf is an ncurses-based IP LAN monitor

iptraf-ng

console-based network monitoring utility, fork off iptraf 3.0.0

iptstate

IP Tables State displays states being kept by iptables in a top-like format

isic

IP Stack Integrity Checker

jffnms

Network Management and Monitoring System.

jnettop

A top like console network traffic visualiser

knocker

Knocker is an easy to use security port scanner written in C

labrea

'Sticky' Honeypot and IDS

lft

Layer Four Traceroute: an advanced traceroute implementation

libnasl

A remote security scanner for Linux (libnasl)

lilac

Web-based configuration tool written to configure Nagios

linkchecker

LinkChecker can check HTML documents for broken links.

macchanger

Utility for viewing/manipulating the MAC address of network interfaces

mbrowse

MBrowse is a graphical MIB browser

metasploit

Advanced open-source framework for developing, testing, and using vulnerability exploit code

midas-nms

Monitoring, Intrusion Detection, Administration System

mirmon

Monitor the status of mirrors

mping

IPv4/6 round-robin multiping client

mrtg

A tool to monitor the traffic load on network-links

mrtg-ping-probe

Addon mrtg contrib for stats ping/loss packets

mtr

My TraceRoute. Excellent network diagnostic tool.

munin

Munin Server Monitoring Tool

mwcollect

mwcollect collects worms and other autonomous spreading malware

nagios

The Nagios metapackage - merge this to pull install all of the nagios packages

nagios-check_logfiles

A nagios plugin for checking logfiles

nagios-core

Nagios Core - Check daemon, CGIs, docs

nagios-imagepack

Nagios imagepacks - Icons and pictures for Nagios

nagios-nrpe

Nagios 2.12 NRPE - Nagios Remote Plugin Executor

nagios-nsca

Nagios NSCA - Nagios Service Check Acceptor

nagios-plugins

Nagios 1.4.13 plugins - Pack of plugins to make Nagios work properly

nagios-plugins-snmp

Additional Nagios plugins for monitoring SNMP capable devices

nagios-sap-ccms-plugin

Nagios plugin that provides an interface to SAP CCMS Infrastructure

nagircbot

An irc bot that alerts you to nagios changes

nagstamon

Nagstamon is a Nagios status monitor for a systray and displays a realtime status of a Nagios box.

nagtrap

NagTrap is an integrated snmptt visualization addon for the Nagios monitoring system

nagvis

NagVis is a visualization addon for the well known network managment system Nagios.

nast

NAST - Network Analyzer Sniffer Tool

nb

Nodebrain is a tool to monitor and do event correlation.

nbaudit

NetBIOS file sharing services scanner (nat10)

nbtscan

NBTscan is a program for scanning IP networks for NetBIOS name information

ndoutils

Nagios addon to store Nagios data in a MySQL database

ndsad

Cisco netflow probe from libpcap, ULOG, tee/divert sources.

nepenthes

Nepenthes is a low interaction honeypot that captures worms by emulating known vulnerabilities

nessus

A remote security scanner

nessus-bin

A remote security scanner for Linux

nessus-client

A client for the Nessus vulnerability scanner

nessus-core

A remote security scanner for Linux (nessus-core)

nessus-libraries

A remote security scanner for Linux (nessus-libraries)

nessus-plugins

A remote security scanner for Linux (nessus-plugins)

net-snmp

Software for generating and retrieving SNMP data

netcat

the network swiss army knife

netcat6

netcat clone with better IPv6 support, improved code, etc...

netdiscover

An active/passive address reconnaissance tool.

netdude

Netdude is a front-end to the libnetdude packet manipulation library

nethogs

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

neti

NETI@Home research project from GATech

netio

a network benchmark for DOS, OS/2, Windows NT and Unix that measures net througput with NetBIOS and TCP/IP protocols.

netperf

Network performance benchmark including tests for TCP, UDP, sockets, ATM and more.

netselect

Ultrafast implementation of ping.

netspeed_applet

Applet showing network traffic for GNOME 2

nettop

top like program for network activity

netwag

Tcl/tk interface to netwox (Toolbox of 217 utilities for testing Ethernet/IP networks)

netwatch

Ethernet/PPP IP Packet Monitor

netwox

Toolbox of 217 utilities for testing Ethernet/IP networks

nfdump

A set of tools to collect and process netflow data

ngrep

A grep for network layers

nikto

Web Server vulnerability scanner.

nipper

Script to parse and report on Cisco config errors

nload

console application which monitors network traffic and bandwidth usage in real time

nmap

A utility for network exploration or security auditing

nmapsi

A Qt4 frontend to nmap

nmbscan

netbios scanner

nsat

Network Security Analysis Tool, an application-level network security scanner

nstats

Displays statistics about ethernet traffic including protocol breakdown

ntop

Network traffic analyzer with web interface

nttcp

tool to test TCP and UDP throughput

oinkmaster

Rule management for SNORT

openvas

A remote security scanner

openvas-client

A client for the openvas vulnerability scanner

openvas-libnasl

A remote security scanner for Linux (openvas-libnasl)

openvas-libraries

A remote security scanner for Linux (openvas-libraries)

openvas-plugins

A remote security scanner for Linux (openvas-plugins)

openvas-server

A remote security scanner for Linux (openvas-server)

p0f

p0f performs passive OS detection based on SYN packets.

packit

network auditing tool that allows you to monitor, manipulate, and inject customized IPv4 traffic

paketto

Paketto Keiretsu - experimental TCP/IP tools - scanrand, minewt, lc, phentropy, paratrace

pathload

Non-intrusive utility for estimation of available bandwidth of Internet paths

pathrate

Non-intrusive utility for estimation of capacity of Internet paths

pbnj

A tool for running Nmap scans and diff'ing the results

pchar

Internet bandwidth, latency, and loss of links analyzer.

pinger

Cyclic multi ping utility for selected adresses using GTK/ncurses.

pktstat

A network monitoring tool, with bandwidth tracking

pmacct

A network tool to gather ip traffic informations

pnp4nagios

A performance data analyzer for nagios

poink

TCP/IP-based ping implementation

portbunny

A kernel based highspeed TCP SYN port scanner

portmon

Portmon is a network service monitoring daemon.

portsentry

Automated port scan detector and response tool

postal

SMTP and POP mailserver benchmark. Supports SSL, randomized user accounts and more.

prelude-nessus

Nessus Correlation support for Prelude-IDS

prewikka

Prelude-IDS Frontend

quidscor

IDS/VA Correlation engine

raddump

raddump interprets captured RADIUS packets to print a timestamp, packet length, RADIUS packet type, source and destination hosts and ports, and included attribute names and values for each packet.

rain

powerful tool for testing stability of hardware and software utilizing IP protocols

rrdcollect

Read system statistical data and feed it to RRDtool

rrdtool

A system to store and display time-series data

rtpbreak

Detects, reconstructs and analyzes any RTP session through heuristics over the UDP network traffic

sancp

SANCP is a network security tool designed to collect statistical information regarding network traffic and collect the traffic itself in pcap format.

sara

SARA Security Auditor's Research Assistant is a derived work of Security Administrator Tool for Analyzing Networks SATAN

sarg

Squid Analysis Report Generator

sbd

Netcat-clone, designed to be portable and offer strong encryption

scanlogd

Scanlogd - detects and logs TCP port scans

scanssh

network scanner that gathers info on SSH protocols and versions

scapy

A Python interactive packet manipulation program for mastering the network

scli

SNMP Command Line Interface

sec

Simple Event Correlator

sflowtool

sflowtool is a utility for collecting and processing sFlow data

sguil-client

GUI Console for sguil Network Security Monitoring

sguil-sensor

Sensor part of sguil Network Security Monitoring

sguil-server

Daemon for Sguil Network Security Monitoring

siphon

A portable passive network mapping suite

slurm

Realtime network interface monitor based on FreeBSD's pppstatus

smokeping

A powerful latency measurement tool.

sniffit

Interactive Packet Sniffer

snips

System & Network Integrated Polling Software

snmptt

SNMP Trap Translator

snort

The de facto standard for intrusion detection/prevention

snortalog

a powerful perl script that summarizes snort logs

snortsam

Snort plugin that allows automated blocking of IP addresses on several firewalls

squid-graph

Squid logfile analyzer and traffic grapher

squidsites

Squidsites is a tool that parses Squid access log file and generates a report of the most visited sites.

ssldump

A Tool for network monitoring and data acquisition

sslsniff

MITM all SSL connections on a LAN and dynamically generates certs

ssmping

Tool for testing multicast connectivity

sussen

Sussen is a tool that checks for vulnerabilities and configuration issues on computer systems

symon

Performance and information monitoring tool

syweb

Web frontend to symon

tcpdump

A Tool for network monitoring and data acquisition

tcpflow

A Tool for monitoring, capturing and storing TCP connections flows

tcpreen

TCP network re-engineering tool

tcpreplay

replay saved tcpdump or snoop files at arbitrary speeds

tcpslice

Tcpslice is a program for extracting portions of packet-trace files generated using tcpdump's -w flag. It can also be used to glue together pcap dump files.

tcpstat

Reports network interface statistics

tcptrace

A Tool for analyzing network packet dumps

tcptraceroute

tcptraceroute is a traceroute implementation using TCP packets

tcptrack

Passive per-connection tcp bandwidth monitor

thcrut

Network discovery and fingerprinting tool

thrulay

Measure the capacity of a network by sending a bulk TCP stream over it.

tleds

Blinks keyboard LEDs indicating outgoing and incoming network packets on selected network interface

tptest

Internet bandwidth tester

traceproto

A traceroute-like utility that sends packets based on protocol

traceroute

Utility to trace the route of IP packets

traceroute-nanog

Traceroute with AS lookup, TOS support, MTU discovery and other features

traffic-vis

Generate traffic stats in html, ps, text and gif format

trafshow

Full screen visualization of the network traffic

ttcp

Tool to test TCP and UDP throughput

upnpscan

Scans the network for UPNP capable devices

vnstat

Console-based network traffic monitor that keeps statistics of network usage

webfuzzer

Poor man's web vulnerability scanner

wireshark

A network protocol analyzer formerly known as ethereal

xnetload

This little tool displays a count and a graph of the traffic over a specified network connection.

xprobe

Active OS fingerprinting tool - this is Xprobe2

yersinia

A layer 2 attack framework

zabbix

ZABBIX is software for monitoring of your applications, network and servers.

zabbix-agent

ZABBIX is software for monitoring of your applications, network and servers. Agent part.

zabbix-frontend

Zabbix php frontend

zabbix-server

ZABBIX is software for monitoring of your applications, network and servers. Server part.

zniper

Displays and kill active TCP connections seen by the selected interface.

aimsniff

jnettop

pathrate

amap

knocker

pbnj

angst

labrea

pchar

argus

lft

pinger

argus-clients

libnasl

pktstat

arp-sk

lilac

pmacct

arping

linkchecker

pnp4nagios

arpoison

macchanger

poink

arptools

mbrowse

portbunny

arpwatch

metasploit

portmon

authforce

midas-nms

portsentry

barnyard

mirmon

postal

barnyard2

mping

prelude-nessus

base

mrtg

prewikka

bigeye

mrtg-ping-probe

quidscor

bing

mtr

raddump

bmon

munin

rain

braa

mwcollect

rrdcollect

bsnmp

nagios

rrdtool

bwbar

nagios-check_logfiles

rtpbreak

bwm-ng

nagios-core

sancp

bwmon

nagios-imagepack

sara

cacti

nagios-nrpe

sarg

cacti-spine

nagios-nsca

sbd

calamaris

nagios-plugins

scanlogd

carl

nagios-plugins-snmp

scanssh

centreon

nagios-sap-ccms-plugin

scapy

chaosreader

nagircbot

scli

cnet

nagstamon

sec

cryptcat

nagtrap

sflowtool

cutter

nagvis

sguil-client

darkstat

nast

sguil-sensor

dhcpdump

nb

sguil-server

dhcp_probe

nbaudit

siphon

dnstracer

nbtscan

slurm

dosdetector

ndoutils

smokeping

driftnet

ndsad

sniffit

dsniff

nepenthes

snips

echoping

nessus

snmptt

egressor

nessus-bin

snort

etherape

nessus-client

snortalog

ethloop

nessus-core

snortsam

ethstatus

nessus-libraries

squid-graph

ettercap

nessus-plugins

squidsites

fail2ban

net-snmp

ssldump

fe3d

netcat

sslsniff

ffp

netcat6

ssmping

firewalk

netdiscover

sussen

flow-tools

netdude

symon

FlowScan

nethogs

syweb

fping

neti

tcpdump

fprobe

netio

tcpflow

fragroute

netperf

tcpreen

ftester

netselect

tcpreplay

fwlogwatch

netspeed_applet

tcpslice

gensink

nettop

tcpstat

gnome-netstatus

netwag

tcptrace

gnome-nettool

netwatch

tcptraceroute

gnu-netcat

netwox

tcptrack

gspoof

nfdump

thcrut

honeyd

ngrep

thrulay

hping

nikto

tleds

httping

nipper

tptest

hunt

nload

traceproto

hydra

nmap

traceroute

ibmonitor

nmapsi

traceroute-nanog

ifmetric

nmbscan

traffic-vis

ifstat

nsat

trafshow

ifstatus

nstats

ttcp

iftop

ntop

upnpscan

ike-scan

nttcp

vnstat

ipac-ng

oinkmaster

webfuzzer

ipaudit

openvas

wireshark

ipband

openvas-client

xnetload

ipcad

openvas-libnasl

xprobe

iplog

openvas-libraries

yersinia

ippl

openvas-plugins

zabbix

iptraf

openvas-server

zabbix-agent

iptraf-ng

p0f

zabbix-frontend

iptstate

packit

zabbix-server

isic

paketto

zniper

jffnms

pathload