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Protocol analyzers vary in their abilities to display and analyze data. Some protocol analyzers can also generate traffic. These can act as protocol testers. Such testers generate protocol-correct traffic for functional testing, and may also have the ability to deliberately introduce errors to test the device under test's ability to handle errors.
Wireshark is a free and open-source packet analyzer. It is used for network troubleshooting, analysis, software and communications protocol development, and education. Originally named Ethereal, the project was renamed Wireshark in May 2006 due to trademark issues. [5]
The following tables compare general and technical information for several packet analyzer software utilities, also known as network analyzers or packet sniffers. Please see the individual products' articles for further information.
A protocol analyzer is a tool (hardware or software) used to capture and analyze signals and data traffic over a communication channel.Such a channel varies from a local computer bus to a satellite link, that provides a means of communication using a standard communication protocol (networked or point-to-point).
The Xplico's software architecture provides: an input module to handle data input (from probes or packet sniffer) an output module to organize the decoded data and presenting them to the end user; and; a set of decoding modules, called protocol dissector for the decoding of the individual network protocol.
The SPID algorithm can detect the application layer protocol (layer 7) by signatures (a sequence of bytes at a particular offset in the handshake), by analyzing flow information (packet sizes, etc.) and payload statistics (how frequently the byte value occurs in order to measure entropy) from pcap files.
Wireshark (formerly Ethereal), a graphical packet-capture and protocol-analysis tool. XLink Kai, software that allows various LAN console games to be played online; Xplico, a network forensics analysis tool (NFAT).
[1] [2] [3] It accepts as input files produced by packet-capture programs, including tcpdump, Wireshark, and snoop. tcptrace can produce several different types of output containing information on each connection seen, such as elapsed time, bytes and segments sent and received, retransmissions, round trip times, window advertisements, and ...