Justniffer justniffer is a tcp packet sniffer.
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network packet TCP network sniffer tcp packet sniffer traffic sniffer

Justniffer Description

justniffer is a tcp packet sniffer. justniffer is a tcp packet sniffer. It captures TCP packets, reassembles and reorders them, performs IP packet defragmentation and displays the tcp flow in the standard output. Justniffer is usefull for logging network traffic in a 'standard' (web server like) or in a customized way. Justniffer can log timings (e.g. response time), usefull for tracking network services performances (e.g. web server, application server,The main differences with other sniffers are:- capture tcp/ip traffic and handle all tcp/ip stuff (reordering, retrasmissions, defragmentation). The tcp flow adjustment is performed using linux kernel code included in a slightly modified version of the nids library.- report timing informations. So it can be usefull for tracking network system performancesExamples:justniffer -i eth0 - produce apache like access_logjustniffer -f /file.cap - read from a capture filejustniffer -i eth0 -l "%request.line" - print only request line : Ex. "GET /index.html HTTP/1.1"justniffer -i eth0 -l "%request.header.host - %request.url - %response.code - %response.time" print something like this:"www.plecno.com - /index.html - 200 - 0.23345"Usage: --help command line description -f arg input file in 'tcpdump capture file format' (e.g. produced by tshark or tcpdump) -i arg interface to listen on (e.g. eth0, en1, etc.) -l arg log format (see man page). If missing the CommonLog (apache access log) format will ne used -c arg configuration file -p arg packet filter (tcpdump filter syntax) What's New in This Release: · forced flush on standard output whenever an new line is written · close_originator handler fixed · lintian errors fixed

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