{"id":167,"date":"2025-07-31T16:29:09","date_gmt":"2025-07-31T14:29:09","guid":{"rendered":"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/2025\/07\/31\/425-filius-serveur-web\/"},"modified":"2026-05-11T14:15:17","modified_gmt":"2026-05-11T12:15:17","slug":"425-filius-internet-synthese","status":"publish","type":"post","link":"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/?p=167","title":{"rendered":"4#25 Filius : Internet et synth\u00e8se"},"content":{"rendered":"\n<figure class=\"wp-block-pullquote\"><blockquote><p>Cette activit\u00e9 reprend les notions abord\u00e9es<br>aux s\u00e9ances pr\u00e9c\u00e9dentes :<\/p><cite><a href=\"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/?p=163\">4#23 Filius : r\u00e9seau<\/a><br><a href=\"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/?p=165\">4#24 Filius : \u00e9change de donn\u00e9es<\/a><\/cite><\/blockquote><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">8. Connexion distante<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 un modem, nous allons pouvoir communiquer avec des r\u00e9seaux simul\u00e9s par Filius sur d&rsquo;autres ordinateurs r\u00e9els.<br>Connectez un PC \u00e0 un modem.<br>Attribuez une adresse IP \u00e0 votre PC et notez-la.<br>Sur le PC r\u00e9el, obtenez son adresse IP gr\u00e2ce \u00e0 la commande \u00ab\u00a0ipconfig\u00a0\u00bb (activit\u00e9 en lien ci-dessus).<br>Sur ce Modem, cochez \u00ab\u00a0Attendre les connexions entrantes\u00a0\u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/18_filius_modemPC-predator-localhost-dont-on-donne-ip-1-1024x850.jpg\" alt=\"\" class=\"wp-image-1459\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sur le PC de camarades de ta classe, dans le champ \u00ab\u00a0Adresse IP\u00a0\u00bb de leur Modem, il faut saisir l&rsquo;adresse IP de votre PC r\u00e9el (adresse obtenue gr\u00e2ce \u00e0 la commande ipconfig \/all dans l'\u00a0\u00bbinvite de commandes\u00a0\u00bb ou \u00ab\u00a0cmd\u00a0\u00bb).<br>Connectez le PC gr\u00e2ce au bouton \u00ab\u00a0Connecter\u00a0\u00bb. Un voyant vert s&rsquo;allume sur les deux modems : vos r\u00e9seaux Filius peuvent d\u00e9sormais communiquer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/17_filius_modem-PC-cuisine-1.png\" alt=\"\" class=\"wp-image-1460\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le mode \u00ab\u00a0simulation\u00a0\u00bb, avec le logiciel \u00ab\u00a0Ligne de commande\u00a0\u00bb, r\u00e9alisez un ping vers le PC simul\u00e9 (dans cet exemple, ping 192.168.0.201).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Votre box \u00e0 la maison contient un modem, c&rsquo;est l&rsquo;\u00e9quipement qui convertit des signaux afin de transmettre des donn\u00e9es entre ordinateurs via le r\u00e9seau t\u00e9l\u00e9phonique, le r\u00e9seau c\u00e2bl\u00e9 ou le r\u00e9seau fibre optique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. Interconnexion de r\u00e9seaux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans l&rsquo;activit\u00e9 pr\u00e9c\u00e9dente, il est n\u00e9cessaire que les PC aient des adresses IP d&rsquo;un m\u00eame r\u00e9seau (seul le dernier chiffre de l&rsquo;adresse IP change).<br>Pour interconnecter des r\u00e9seaux distants qui ont des adresses priv\u00e9es diff\u00e9rentes ou identiques, il faut utiliser un \u00ab\u00a0Routeur\u00a0\u00bb.<\/p>\n\n\n<p><iframe src=\"https:\/\/ladigitale.dev\/digiview\/inc\/video.php?videoId=7XweRPQPKk0&#038;vignette=https:\/\/i.ytimg.com\/vi\/7XweRPQPKk0\/hqdefault.jpg&#038;debut=0&#038;fin=213&#038;largeur=16&#038;hauteur=9\" allow=\"autoplay; fullscreen\" frameborder=\"0\" style=\"width:100%; aspect-ratio:16\/9;\"><\/iframe><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10. Internet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;utilisation des switchs, modems, routeurs et serveurs simulent le fonctionnement de l&rsquo;Internet.<br>Internet est la connexion de plusieurs r\u00e9seaux entre eux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 l&rsquo;aide de modems et de deux r\u00e9seaux simples, installez en \u00e9quipe un serveur de messagerie et envoyez-vous des courriels entre PC. Le courrier \u00e9lectronique est une des r\u00e9volutions de l&rsquo;Internet, l&rsquo;arobase @ est cr\u00e9\u00e9e pour l&rsquo;occasion (il est n\u00e9cessaire d&rsquo;installer un serveur DNS).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour vous faciliter la t\u00e2che, j&rsquo;ai cr\u00e9\u00e9 les deux r\u00e9seaux \u00e0 t\u00e9l\u00e9charger et ouvrir avec filius:<br>\u2022 <a href=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/filius_messagerie_serveur.fls\">PC1 : serveur de messagerie et client<\/a><br>\u2022 <a href=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/filius_client_messagerie.fls\">PC2 : client de messagerie distant<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vous devez simplement connecter les deux modems ensemble.<br><strong>PC 1 : cochez les connexions entrantes puis \u00ab\u00a0Activer\u00a0\u00bb<\/strong><br>Dans l&rsquo;invite de commandes (ou \u00ab\u00a0cmd\u00a0\u00bb) du PC r\u00e9el, r\u00e9cup\u00e9rez l&rsquo;adresse IP r\u00e9el de votre PC avec la commande ipconfig \/all.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/19_serveur_messagerie-1-1014x1024.jpg\" alt=\"\" class=\"wp-image-1478\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PC2 : il est n\u00e9cessaire de saisir l&rsquo;adresse IP du PC r\u00e9el de l&rsquo;autre groupe (ils l&rsquo;ont r\u00e9cup\u00e9r\u00e9e gr\u00e2ce \u00e0 la commande ipconfig \/all).<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/20_client_messagerie.jpg\" alt=\"\" class=\"wp-image-1476\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les comptes de messagerie<\/strong><br>J&rsquo;ai cr\u00e9\u00e9 deux comptes de messagerie, vous pouvez cr\u00e9er les v\u00f4tres :<br>\u2022 paul@filius.de \/ polo<br>\u2022 jacques@filius.de \/ jaqo<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vous pouvez d\u00e9sormais vous envoyer des messages via les clients de messagerie des PC portables.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">11. Configuration automatique DHCP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9l\u00e9chargez le fichier ci-dessous :<br>\u2022 <a href=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/filius_DHCP.fls\">R\u00e9seau automatis\u00e9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette configuration est similaire \u00e0 l&rsquo;installation que vous avez chez vous.<br>Votre box est compos\u00e9e d&rsquo;un switch, d&rsquo;un routeur et d&rsquo;un modem.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/sciences-tec.fr\/cours\/wp-content\/uploads\/2024\/11\/21_dhcp-1016x1024.jpg\" alt=\"\" class=\"wp-image-1485\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque que vous lancez la simulation, vous pouvez constater que les PC obtiennent automatiquement une adresse IP, pas besoin de leur en donner une manuellement (c&rsquo;est ce qui se passe chez vous). Seul le serveur a une adresse statique.<strong>Quel service permet de faire cela ?<\/strong><\/p>\n\n\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/wp-content\/uploads\/sites\/3\/2026\/05\/Synthese_reseau_informatique.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 Synth\u00e8se_r\u00e9seau_informatique.\"><\/object><a id=\"wp-block-file--media-75fbaa52-ea6b-44a1-be0d-a990d8066b0c\" href=\"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/wp-content\/uploads\/sites\/3\/2026\/05\/Synthese_reseau_informatique.pdf\">Synth\u00e8se_r\u00e9seau_informatique<\/a><a href=\"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/wp-content\/uploads\/sites\/3\/2026\/05\/Synthese_reseau_informatique.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-75fbaa52-ea6b-44a1-be0d-a990d8066b0c\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li id=\"retiens\" class=\"jeretiens\">Chaque appareil sur un r\u00e9seau poss\u00e8de une <strong>adresse IP<\/strong> unique pour \u00eatre identifi\u00e9.<br>Le <strong>masque de sous-r\u00e9seau<\/strong> permet de savoir si deux appareils sont sur le m\u00eame r\u00e9seau local. S\u2019ils sont sur le m\u00eame r\u00e9seau, ils peuvent communiquer directement sans passer par un <strong>routeur<\/strong>. Sinon, les donn\u00e9es passent par le routeur pour aller vers un autre r\u00e9seau.<br><br><strong>Internet<\/strong> est un grand r\u00e9seau compos\u00e9 de nombreux r\u00e9seaux reli\u00e9s entre eux -> <strong>Inter<\/strong> pour interconnexion et <strong>net<\/strong> de r\u00e9seaux !<br>Les donn\u00e9es circulent sous forme de <strong>paquets<\/strong> : un fichier ou une page web est d\u00e9coup\u00e9 en petits morceaux envoy\u00e9s s\u00e9par\u00e9ment sur le r\u00e9seau, puis r\u00e9assembl\u00e9s \u00e0 l\u2019arriv\u00e9e.<br>Si certains paquets sont perdus, ils peuvent \u00eatre redemand\u00e9s \u00e0 l\u2019exp\u00e9diteur.<br><br><strong>Les \u00e9quipements r\u00e9seau<\/strong><br><strong>Switch<\/strong> : relie les appareils d\u2019un m\u00eame r\u00e9seau local.<br><strong>Routeur<\/strong> : dirige les donn\u00e9es entre plusieurs r\u00e9seaux et vers Internet.<br><strong>Modem<\/strong> : interface physique qui transmet les donn\u00e9es sur la ligne Internet<br>(cuivre en ADSL, fibre optique en Fibre).<br><br><strong>Clients et serveurs<\/strong><br>Un r\u00e9seau est compos\u00e9 de :<br><strong>Clients<\/strong> : ordinateurs, t\u00e9l\u00e9phones, consoles de jeu, objets connect\u00e9s\u2026<br><strong>Serveurs<\/strong> : ordinateurs qui fournissent des services.<br><br><em>Exemples de serveurs<\/em><br><strong>Serveur web<\/strong> \u2192 h\u00e9berge des sites Internet<br><strong>Serveur de messagerie<\/strong> \u2192 emails<br><strong>Serveur DNS<\/strong> \u2192 traduit les noms de sites en IP<br><strong>Serveur DHCP<\/strong> \u2192 donne automatiquement les adresses IP<br><strong>Serveur de fichiers \/ Peer-to-peer<\/strong> \u2192 partage des fichiers.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Cette activit\u00e9 reprend les notions abord\u00e9esaux s\u00e9ances pr\u00e9c\u00e9dentes : 4#23 Filius : r\u00e9seau4#24 Filius : \u00e9change de donn\u00e9es 8. Connexion distante Gr\u00e2ce \u00e0 un modem, nous allons pouvoir communiquer avec des r\u00e9seaux simul\u00e9s par Filius sur d&rsquo;autres ordinateurs r\u00e9els.Connectez un PC \u00e0 un modem.Attribuez une adresse IP \u00e0 votre PC et notez-la.Sur le PC r\u00e9el, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[6],"class_list":["post-167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-creation-conception-realisation-innovations-des-objets-a-concevoir-et-a-realiser","tag-4eme"],"acf":[],"mb":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4#25 Filius : Internet et synth\u00e8se - TECHNOLOGIE | 4\u00e8me CONTENU DE LA S\u00c9ANCE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sciences-tec.fr\/cours\/cahierdetexte4\/?p=167\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4#25 Filius : Internet et synth\u00e8se - TECHNOLOGIE | 4\u00e8me CONTENU DE LA S\u00c9ANCE\" \/>\n<meta property=\"og:description\" content=\"Cette activit\u00e9 reprend les notions abord\u00e9esaux s\u00e9ances pr\u00e9c\u00e9dentes : 4#23 Filius : r\u00e9seau4#24 Filius : \u00e9change de donn\u00e9es 8. 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