cnp3-ebook/exercises/dns — French @ Weblate

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25 ../../exercises/dns.rst:75
	English Imagine an attacker who is able to send forged DNS replies to, for example, associate `www.bigbank.com` to his own IP address. How could he attack a DNS implementation that
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26 ../../exercises/dns.rst:77
	English sends DNS requests containing always the same identifier
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27 ../../exercises/dns.rst:78
	English sends DNS requests containing identifiers that are incremented by one after each request
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28 ../../exercises/dns.rst:79
	English sends DNS requests containing random identifiers
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29 ../../exercises/dns.rst:81
	English The DNS protocol can run over UDP and over TCP. Most DNS servers prefer to use UDP because it consumes fewer resources on the server. However, TCP is useful when a large answer is expected. Compare `time dig +tcp` and `time dig` to query a root DNS server. Is it faster to receive an answer via TCP or via UDP ?
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30 ../../exercises/dns.rst:84
	English Besides `dig`, another way to analyze the DNS is to look at packet traces with tools such as `wireshark <https://www.wireshark.org>`_ or `tcpdump <https://www.tcpdump.org>`_ These tools can capture packets in a network and also display and analyze their content. `Wireshark <https://www.wireshark.org>`_ provides a flexible Graphical User Interface that eases the analysis of the captured packets. The three questions below should help you to better understand the important fields of DNS messages.
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31 ../../exercises/dns.rst:93
	English The next three questions ask you to go one step further by predicting the values of specific fields in the DNS messages.
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32 ../../exercises/dns.rst:101
	English When a client requests the mapping of a domain name into an IP address to its local resolver, the resolver may need to query a large number of nameservers starting from the root nameserver. The three exercises below show packet traces collected while the resolver was resolving the following names: `www.example.com`, `www.google.com` and `www.computer-networking.info`. If you understand how the DNS operates, you should be able to correctly reorder those packet traces.
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34 ../../exercises/dns.rst:113
	English On a Linux machine, the Description section of the `dig` man page tells you where `dig` finds the list of nameservers to query.
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35 ../../exercises/dns.rst:115
	English You may obtain additional information about the root DNS servers from http://www.root-servers.org
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Shortcut	Action
`?`	Open available keyboard shortcuts.
`Alt` + `Home`	Navigate to the first translation in the current search.
`Alt` + `End`	Navigate to the last translation in the current search.
`Alt` + `PageUp` or `Ctrl` + `↑` or `Alt` + `↑` or `Cmd` + `↑` or	Navigate to the previous translation in the current search.
`Alt` + `PageDown` or `Ctrl` + `↓` or `Alt` + `↓` or `Cmd` + `↓` or	Navigate to the next translation in the current search.
`Ctrl` + `Enter` or `Cmd` + `Enter`	Submit current form; this works the same as pressing Save and continue while editing translation.
`Ctrl` + `Shift` + `Enter` or `Cmd` + `Shift` +`Enter`	Unmark translation as Needing edit and submit it.
`Alt` + `Enter` or `Option` + `Enter`	Submit the string as a suggestion; this works the same as pressing Suggest while editing translation.
`Ctrl` + `E` or `Cmd` + `E`	Focus on translation editor.
`Ctrl` + `U` or `Cmd` + `U`	Focus on comment editor.
`Ctrl` + `M` or `Cmd` + `M`	Shows Automatic suggestions tab.
`Ctrl` + `1` to `Ctrl` + `9` or `Cmd` + `1` to `Cmd` + `9`	Copies placeable of a given number from source string.
`Ctrl` + `M` followed by `1` to `9` or `Cmd` + `M` followed by `1` to `9`	Copy the machine translation of a given number to current translation.
`Ctrl` + `I` followed by `1` to `9` or `Cmd` + `I` followed by `1` to `9`	Ignore one item in the list of failing checks.
`Ctrl` + `J` or `Cmd` + `J`	Shows the Nearby strings tab.
`Ctrl` + `S` or `Cmd` + `S`	Focus on search field.
`Ctrl` + `O` or `Cmd` + `O`	Copy the source string.
`Ctrl` + `Y` or `Cmd` + `Y`	Toggle the Needs editing checkbox.
`→`	Browse the next translation string.
`←`	Browse the previous translation string.