BestFreeNetworkAnalysisTools

2020-06-06|浏览量:545|点赞:785

Network analysis tools enable diagnosis of problems on a computer network. They generally fall into two categories :
Packet Analysers
Port Scanners
Packet analysers allow capture and display of individual messages being processed by your computers network card. Port scanners are designed to probe other computers on a network and report interesting information. Both tools are also invaluable for those wanting to learn about networking.
WireSharkhas established itself as the de-facto packet analyzer. It can capture packets of standard ethernet, PPP and VPN interfaces. I have used it many times to identify people running heavy reports bringing servers down to a crawl.
Ettercap goes beyond packet capture, allowing investigation and simulation of low level network attacks — ARP cache poisoning, DHCP hijack etc. It can also be extended with external scripts. A powerful tool in the right hands — use carefully on your live network.
Both programs require installation of Windows Packet Capture package . I found it better to install latest winpcap first, rather than versions included with the programs.
Nmap will scan an individual IP address. It will report on open ports, interesting information and the likely type of device/operating system. This tool proved invaluable in proving to a client that the IP address he claimed was a print server in fact had a PC using it. Also requires WinPcap.
Angry IP is a very lightweight program that allows you to quickly scan a range of IP addresses. It provides less information and options than Nmap, but shows open ports and highlights which addresses are active.

WireShark
Website: http://www.wireshark.org/about.html
Download: http://www.wireshark.org/download.html
Author: Gerald Combs et al
Current Version: 1.0.4
Version Date: 21-Oct-2008
License: GNU GPL v2
Download File Size: 21.21 Mb
Operating Systems Supported: 2000/XP/2003/Vista
Additional Software Required: WinPcap
64 Bit Capable: No
Portable Version Available: Yes
Non-English Languages Supported: None
Other Relevant Information: Builds for Linux, Mac OS and other OS available

Ettercap
Website: http://ettercap.sourceforge.net/index.php
Download: http://sourceforge.net/project/showfiles.php?group_id=17435&package_id=130431
Author: Alberto Ornaghi and Marco Valleri
Current Version: 0.7.3
Version Date: 29-May-2005
License: Open Source
Download File Size: 3.33 Mb
Operating Systems Supported: 2000/XP/2003
Additional Software Required: WinPcap
64 Bit Capable: Not specified
Portable Version Available: No
Non-English Languages Supported: None
Other Relevant Information: Builds for Linux and other OS available

Nmap
Website: http://nmap.org/
Download: http://nmap.org/download.html
Author: Adriano Monteiro Marques et al
Current Version: 4.68
Version Date: 28-Jun-2008
License: Open Source
Download File Size: 14.6 Mb
Operating Systems Supported: NT/ME/2K/XP/Vista
Additional Software Required: WinPcap
64 Bit Capable: Yes
Portable Version Available: No
Non-English Languages Supported: Various
Other Relevant Information: Builds for Linux and other OS available

WinPcap
Website: http://www.winpcap.org/misc/features.htm
Download: http://www.winpcap.org/install/default.htm
Author: Gianluca Varenni et al
Current Version: 4.0.2
Version Date: 09-Nov-2007
License: BSD
Download File Size: 537 Kb
Operating Systems Supported: 9x/Me/NT/2000/XP/2003/Vista
Additional Software Required: No
64 Bit Capable: Yes
Portable Version Available: No
Non-English Languages Supported: None
Other Relevant Information: 9x/Me supported by older archived versions

Angry IP
Website: http://www.angryziber.com/w/About
Download: http://sourceforge.net/project/showfiles.php?group_id=25534&package_id=18580
Author: Anton Keks
Current Version: 2.21
Version Date:07-Apr-2004
License: GPL v2
Download File Size: 109 Kb
Operating Systems Supported: 98/ME/2000/XP
Additional Software Required: None
64 Bit Capable: No
Portable Version Available: No
Non-English Languages Supported: None
Other Relevant Information: New cross platform build available as beta
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