2ping

A bi-directional ping utility

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

arpon

ArpON (Arp handler inspectiON) is a portable Arp handler.

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

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

bwping

A tool to measure bandwidth and RTT between two hosts using ICMP

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

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

library and programs to collect, send, process, and generate reports from NetFlow data

flowgrind

Network performance measurement tool

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

Testing of network intrusion detection systems, firewalls and TCP/IP stacks

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

greenbone-security-assistant

Greenbone Security Assistant for openvas

greenbone-security-desktop

GUI application for openvas

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

icinga

Nagios Fork - Check daemon, CGIs, docs, IDOutils

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

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-ng

A console-based network monitoring utility

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

leechcraft-networkmonitor

NetworkMonitor watches HTTP requests in for LeechCraft.

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

Check websites 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

mk-livestatus

Nagios/Icinga event broker module that allows quick/direct access to your status data

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, an 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_dnssec

check_dnssec is a set of Nagios plugins to monitor DNSSEC services.

nagios-check_fail2ban

A nagios plugin for checking the fail2ban daemon

nagios-check_ipmi_sensor

IPMI Sensor Monitoring Plugin for Nagios/Icinga

nagios-check_logfiles

A nagios plugin for checking logfiles

nagios-check_mysql_health

A nagios plugin for checking MySQL server health

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 1.4.14 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.

namebench

DNS Benchmark Utility

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

ncrack

a high-speed network authentication cracking tool

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.

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.

netsniff-ng

high performance network sniffer for packet inspection

netspeed_applet

Applet showing network traffic for GNOME 2

nettop

top like program for network activity

netwag

Tcl/tk interface to netwox (Toolbox of 222 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-administrator

A remote security scanner for Linux (openvas-administrator)

openvas-cli

A remote security scanner for Linux (openvas-cli)

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-manager

A remote security scanner for Linux (openvas-manager)

openvas-plugins

A remote security scanner for Linux (openvas-plugins)

openvas-scanner

A remote security scanner for Linux (openvas-scanner)

openvas-server

A remote security scanner for Linux (openvas-server)

ostinato

A packet generator and analyzer

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

pathload

Non-intrusive utility for estimation of available bandwidth 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 information

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.

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

sinfo

A monitoring tool for networked computers

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

softflowd

A flow-based network monitor.

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.

squidview

Interactive console program to analyse squid logs

ssldump

A Tool for network monitoring and data acquisition

sslscan

Fast SSL port scanner

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

synscan

A fast asynchronous half-open TCP portscanner

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

thc-ipv6

complete tool set to attack the inherent protocol weaknesses of IPV6 and ICMP6

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

tsung

Erlang's multi-protocol distributed load testing tool

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

w3af

Web Application Attack and Audit Framework

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.

zniper

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

2ping

leechcraft-networkmonitor

packit

aimsniff

lft

pathload

amap

libnasl

pbnj

angst

lilac

pchar

argus

linkchecker

pinger

argus-clients

macchanger

pktstat

arp-sk

mbrowse

pmacct

arping

metasploit

pnp4nagios

arpoison

mk-livestatus

poink

arpon

mping

portbunny

arptools

mrtg

portmon

arpwatch

mrtg-ping-probe

portsentry

authforce

mtr

postal

barnyard

munin

prelude-nessus

barnyard2

mwcollect

prewikka

bigeye

nagios

quidscor

bing

nagios-check_dnssec

raddump

bmon

nagios-check_fail2ban

rain

braa

nagios-check_ipmi_sensor

rrdcollect

bsnmp

nagios-check_logfiles

rrdtool

bwbar

nagios-check_mysql_health

rtpbreak

bwm-ng

nagios-core

sancp

bwmon

nagios-imagepack

sarg

bwping

nagios-nrpe

sbd

cacti

nagios-nsca

scanlogd

cacti-spine

nagios-plugins

scanssh

calamaris

nagios-plugins-snmp

scapy

carl

nagios-sap-ccms-plugin

scli

chaosreader

nagircbot

sec

cnet

nagstamon

sflowtool

cryptcat

nagtrap

sguil-client

cutter

nagvis

sguil-sensor

darkstat

namebench

sguil-server

dhcpdump

nast

sinfo

dhcp_probe

nb

siphon

dnstracer

nbaudit

slurm

dosdetector

nbtscan

smokeping

driftnet

ncrack

sniffit

dsniff

ndoutils

snips

echoping

ndsad

snmptt

egressor

nepenthes

snort

etherape

nessus

snortalog

ethloop

nessus-bin

snortsam

ethstatus

nessus-client

softflowd

ettercap

nessus-core

squid-graph

fail2ban

nessus-libraries

squidsites

fe3d

nessus-plugins

squidview

ffp

net-snmp

ssldump

firewalk

netcat

sslscan

flow-tools

netcat6

sslsniff

flowgrind

netdiscover

ssmping

fping

nethogs

sussen

fprobe

neti

symon

fragroute

netio

synscan

ftester

netperf

syweb

fwlogwatch

netselect

tcpdump

gensink

netsniff-ng

tcpflow

gnome-netstatus

netspeed_applet

tcpreen

gnome-nettool

nettop

tcpreplay

gnu-netcat

netwag

tcpslice

greenbone-security-assistant

netwatch

tcpstat

greenbone-security-desktop

netwox

tcptrace

gspoof

nfdump

tcptraceroute

honeyd

ngrep

tcptrack

hping

nikto

thc-ipv6

httping

nipper

thcrut

hunt

nload

thrulay

hydra

nmap

tleds

ibmonitor

nmapsi

tptest

icinga

nmbscan

traceproto

ifmetric

nsat

traceroute

ifstat

nstats

traceroute-nanog

ifstatus

ntop

traffic-vis

iftop

nttcp

trafshow

ike-scan

oinkmaster

tsung

ipaudit

openvas

ttcp

ipband

openvas-administrator

upnpscan

ipcad

openvas-cli

vnstat

iplog

openvas-client

w3af

ippl

openvas-libnasl

webfuzzer

iptraf-ng

openvas-libraries

wireshark

iptstate

openvas-manager

xnetload

isic

openvas-plugins

xprobe

jffnms

openvas-scanner

yersinia

jnettop

openvas-server

zabbix

knocker

ostinato

zniper

labrea

p0f