cnp3-ebook/exercises/trace — English @ Weblate

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12 ../../exercises/trace.rst:79

	English tcpdump_ can provide more detailed information about the packets by using the `-v` or `-vv` option. 99/10000 · 99
13 ../../exercises/trace.rst:82

	English wireshark_ is more recent than tcpdump_. It evolved from the ethereal packet trace analysis software. It can be used as a text tool like tcpdump_. For a TCP connection, wireshark_ can provide almost the same output as tcpdump_. The main advantage of wireshark_ is that it also includes a graphical user interface that allows performing various types of analysis on a packet trace. 380/10000 · 380
14 ../../exercises/trace.rst:88

	English Wireshark : default window 26/10000 · 26
15 ../../exercises/trace.rst:94

	English The wireshark_ window is divided in three parts. The top part of the window is a summary of the first packets from the trace. By clicking on one of the lines, you can show the detailed content of this packet in the middle part of the window. The middle of the window allows you to inspect all the fields of the captured packet. The bottom part of the window is the hexadecimal representation of the packet, with the field selected in the middle window being highlighted. 470/10000 · 470
16 ../../exercises/trace.rst:96

	English wireshark_ is very good at displaying packets, but it also contains several analysis tools that can be very useful. The first tool is `Follow TCP stream`. It is part of the `Analyze` menu and allows you to reassemble and display all the payload exchanged during a TCP connection. This tool can be useful if you need to analyze for example the commands exchanged during an HTTP or SMTP session. 393/10000 · 393
17 ../../exercises/trace.rst:98

	English The second tool is the flow graph that is part of the `Statistics` menu. It provides a time sequence diagram of the packets exchanged with some comments about the packet contents. See below for an example. 205/10000 · 205
18 ../../exercises/trace.rst:104

	English Wireshark : flow graph 22/10000 · 22
19 ../../exercises/trace.rst:107

	English Use wireshark to analyze the packet traces described earlier :download:`traces/simple-trace.pcap`. 98/10000 · 98
20 ../../exercises/trace.rst:109

	English When analyzing packet traces with wireshark_, it is often very useful to use `Display filters` that only show the packets that match some specific criteria. There filters are described in several online documents: 213/10000 · 213
21 ../../exercises/trace.rst:111

	English the `wireshark wiki <https://wiki.wireshark.org/>` page on `Display filters <https://wiki.wireshark.org/DisplayFilters>`_ 121/10000 · 121
22 ../../exercises/trace.rst:112

	English a nice `list of Wireshark Display Filters <https://networksecuritytools.com/list-wireshark-display-filters/>`_ by Robert Allen 126/10000 · 126
23 ../../exercises/trace.rst:114

	English You can now use your understanding of wireshark_ and tcpdump_ to analyze a 2-minutes long packet trace. 103/10000 · 103
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