msgid "" msgstr "" "Project-Id-Version: French (cnp3-ebook)\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2026-04-18 16:51+0200\n" "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" "Last-Translator: FULL NAME \n" "Language-Team: French \n" "Language: fr\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" "Plural-Forms: nplurals=2; plural=n > 1;\n" "X-Generator: Weblate 5.14.3\n" #: ../../exercises/email.rst:5 msgid "Internet email protocols" msgstr "" #: ../../exercises/email.rst:7 msgid "" "Many Internet protocols are ASCII_-based protocols where the client sends " "requests as one line of ASCII_ text terminated by `CRLF` and the server " "replies with one of more lines of ASCII_ text. Using such ASCII_ messages " "has several advantages compared to protocols that rely on binary encoded " "messages" msgstr "" #: ../../exercises/email.rst:9 msgid "" "the messages exchanged by the client and the server can be easily understood " "by a developer or network engineer by simply reading the messages" msgstr "" #: ../../exercises/email.rst:10 msgid "" "it is often easy to write a small prototype that implements a part of the " "protocol" msgstr "" #: ../../exercises/email.rst:11 msgid "it is possible to test a server manually by using telnet" msgstr "" #: ../../exercises/email.rst:13 msgid "" "Telnet is a protocol that allows to obtain a terminal on a remote server. " "For this, telnet opens a TCP connection with the remote server on port 23. " "However, most `telnet` implementations allow the user to specify an " "alternate port as `telnet hosts port` When used with a port number as " "parameter, `telnet` opens a TCP connection to the remote host on the " "specified port. `telnet` can thus be used to test any server using an ASCII-" "based protocol on top of TCP. Note that if you need to stop a running " "`telnet` session, ``Ctrl-C`` will not work as it will be sent by `telnet` to " "the remote host over the TCP connection. On many `telnet` implementations " "you can type ``Ctrl-]`` to freeze the TCP connection and return to the " "telnet interface." msgstr "" #: ../../exercises/email.rst:16 msgid "" "Use your preferred email tool to send an email message to yourself " "containing a single line of text. Most email tools have the ability to show " "the `source` of the message, use this function to look at the message that " "you sent and the message that you received. Can you find an explanation for " "all the lines that have been added to your single line email ?" msgstr "" #: ../../exercises/email.rst:18 msgid "" "The TCP protocol supports 65536 different ports numbers. Many of these port " "numbers have been reserved for some applications. The official repository of " "the reserved port numbers is maintained by the Internet Assigned Numbers " "Authority (IANA_) on http://www.iana.org/assignments/port-numbers " "[#fservices]_. Using this information, what is the default port number for " "the POP3 protocol ? Does it run on top of UDP or TCP ?" msgstr "" #: ../../exercises/email.rst:20 msgid "" "The Post Office Protocol (POP) is a rather simple protocol described in " ":rfc:`1939`. POP operates in three phases. The first phase is the " "authorization phase where the client provides a username and a password. The " "second phase is the transaction phase where the client can retrieve emails. " "The last phase is the update phase where the client finalizes the " "transaction. What are the main POP commands and their parameters ? When a " "POP server returns an answer, how can you easily determine whether the " "answer is positive or negative ?" msgstr "" #: ../../exercises/email.rst:22 msgid "" "On smartphones, users often want to avoid downloading large emails over a " "slow wireless connection. How could a POP client only download emails that " "are smaller than 5 KBytes ?" msgstr "" #: ../../exercises/email.rst:26 msgid "Footnotes" msgstr "Notes de pied de page" #: ../../exercises/email.rst:27 msgid "" "On Unix hosts, a subset of the port assignments is often placed in `/etc/" "services`." msgstr ""