Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions.
(Wireshark was known as Ethereal until June 09, 2006)
Snort is a lightweight network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching/matching and can be used to detect a variety of attacks and probes, such as buffer overflows, stealth
... [More] port scans, CGI attacks, SMB probes, OS fingerprinting attempts, and much more. Snort uses a flexible rule based language to describe traffic that it should collect or pass, and a modular detection engine. Snort has a real-time alerting capability, with alert mechanisms for syslog, a user specified file, a UNIX socket, or WinPopup messages to Windows clients using Samba's smbclient. [Less]
ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free software, licensed under the GNU GPLv2 license, and is publicly available for research, development, and use.
ns-3 is intended as an eventual replacement for the
... [More] popular ns-2 simulator. The project acronym “nsnam” derives historically from the concatenation of ns (network simulator) and nam (network animator). [Less]
tcpick is a textmode sniffer; it tracks tcp streams, shows the status, reassembles and saves the data captured in files or displays them in the terminal in different modes (ascii, hex..). There is a color-mode. Useful to get files passively.
ssldump is an SSLv3/TLS network protocol analyzer. It identifies TCP connections on the chosen network interface and attempts to interpret them as SSLv3/TLS traffic. When ssldump identifies SSLv3/TLS traffic, ssldump decodes the records and displays them in a textual form to stdout. And if provided
... [More] with the appropriate keying material, ssldump will also decrypt the connections and display the application data traffic. This program is based on tcpdump, a network monitoring and data acquisition tool. [Less]
Developed under Microsoft Visual Studio 2010/12/13 and .Net Framework 4.0/4.5 for Windows XP and later, but also successfully demonstrated under Mono for Linux.
The application can fully process a wide selection of PCAP NG, PCAP and NA Sniffer packet captures and can fully unpack a range of frames
... [More], packets and datagrams therein, but the unpacked data is not utilised in the configured version of the code.
Without additional knowledge of the structure of the messages, the application cannot handle multiple messages within a TCP packet.
The code can perform latency analysis for packet round trips across a network and analysis for time messages on a network
Histograms and CSV files can be output for the latency and time analysis results [Less]
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