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Wireshark is a data capturing program that "understands" the structure (encapsulation) of different networking protocols. It can parse and display the fields, along with their meanings as specified by different networking protocols. Wireshark uses pcap to capture packets, so it can only capture packets on the types of networks that pcap supports.
December 11, 2006 / Solaris 10 CLI: CDDL: Free tcpdump: The Tcpdump team April 7, 2023 / 4.99.4 [13] CLI: BSD License: Free Wireshark (formerly Ethereal) The Wireshark team November 22, 2021 / 4.0.6 [14] Both GNU General Public License: Free Xplico: The Xplico team May 2, 2019 / 1.2.2 [15] Both GNU General Public License: Free
Packet capture is the process of intercepting and logging traffic. As data streams flow across the network, the analyzer captures each packet and, if needed, decodes the packet's raw data, showing the values of various fields in the packet, and analyzes its content according to the appropriate RFC or other specifications.
A packet capture appliance is a standalone device that performs packet capture. [1] Packet capture appliances may be deployed anywhere on a network, however, most commonly are placed at the entrances to the network (i.e. the internet connections) and in front of critical equipment, such as servers containing sensitive information.
Ettercap is a free and open source network security tool for man-in-the-middle attacks on a LAN.It can be used for computer network protocol analysis and security auditing.It runs on various Unix-like operating systems including Linux, Mac OS X, BSD and Solaris, and on Microsoft Windows.
Nmap is a tool that can be used to discover services running on Internet connected systems. Like any tool, it could potentially be used for black hat hacking , [ 37 ] as a precursor to attempts to gain unauthorized access to computer systems.
Cain and Abel, a discontinued password recovery tool for Microsoft Windows; EtherApe, a graphical tool for monitoring network traffic and bandwidth usage in real time. Firesheep, a discontinued extension for the Firefox web browser that captured packets and performed session hijacking; iftop, a tool for displaying bandwidth usage (like top for ...
Tcptrace, a tool for analyzing the logs produced by tcpdump; EtherApe, a network mapping tool that relies on sniffing traffic; Ngrep, a tool that can match regular expressions within the network packet payloads; netsniff-ng, a free Linux networking toolkit; Wireshark, a GUI based alternative to tcpdump