{"id":47586,"date":"2026-04-01T13:05:00","date_gmt":"2026-04-01T13:05:00","guid":{"rendered":"\/fr\/tutoriels\/?p=47586"},"modified":"2026-04-01T11:05:43","modified_gmt":"2026-04-01T11:05:43","slug":"commande-netstat","status":"publish","type":"post","link":"\/fr\/tutoriels\/commande-netstat","title":{"rendered":"La commande netstat sous Linux"},"content":{"rendered":"<p><strong>netstat<\/strong> (abr&eacute;viation de &laquo; <strong>network statistics<\/strong> &raquo;) est un outil en ligne de commande pour surveiller les connexions r&eacute;seau, diagnostiquer des probl&egrave;mes et collecter des donn&eacute;es importantes li&eacute;es au r&eacute;seau. Disponible sur Linux, Windows et macOS, il fournit des informations en temps r&eacute;el sur les connexions TCP et UDP actives, les ports &agrave; l&rsquo;&eacute;coute, les tables de routage et les interfaces r&eacute;seau.<\/p><p>Bien que les distributions Linux modernes soient pass&eacute;es &agrave; <strong>ss<\/strong> (socket statistics) en raison de ses meilleures performances et de sa sortie plus d&eacute;taill&eacute;e, <strong>netstat<\/strong> reste utile pour le d&eacute;pannage des probl&egrave;mes r&eacute;seau et l&rsquo;analyse de s&eacute;curit&eacute;.<\/p><p>Dans cet article, nous aborderons tout ce que vous devez savoir sur la commande <strong>netstat<\/strong> sous Linux, de la syntaxe et des options &agrave; des exemples pratiques. &Agrave; la fin de ce guide, vous saurez utiliser <strong>netstat<\/strong> efficacement pour g&eacute;rer l&rsquo;activit&eacute; r&eacute;seau sur votre syst&egrave;me.<\/p><h2 class=\"wp-block-heading\" id=\"h-netstat-command-syntax\"><strong>syntaxe de la commande netstat<\/strong> <\/h2><p>La syntaxe de base de la commande <strong>netstat<\/strong> est :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat [options]<\/pre><p>L&rsquo;ex&eacute;cution de <strong>netstat<\/strong> sans options affichera une liste des connexions r&eacute;seau actives et des statistiques de sockets comme ceci :<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956cfea3\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"305\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-netstat-du-terminal.png\/public\" alt=\"La sortie de la commande netstat affiche les connexions Internet actives et les sockets de domaine UNIX\" class=\"wp-image-47545\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-netstat-du-terminal.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-netstat-du-terminal.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-netstat-du-terminal.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-netstat-du-terminal.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p>La premi&egrave;re section de la sortie affiche les connexions actives avec six colonnes :<\/p><ul class=\"wp-block-list\">\n<li><strong>Proto<\/strong> &ndash; affiche le protocole utilis&eacute; (TCP ou UDP).<\/li>\n\n\n\n<li><strong>Recv-Q<\/strong> &ndash; indique le nombre d&rsquo;octets re&ccedil;us en attente de traitement.<\/li>\n\n\n\n<li><strong>Send-Q<\/strong> &ndash; indique le nombre d&rsquo;octets dans la file d&rsquo;envoi en attente de transmission.<\/li>\n\n\n\n<li><strong>Adresse locale<\/strong> &ndash; affiche l&rsquo;adresse IP et le num&eacute;ro de port de la machine.<\/li>\n\n\n\n<li><strong>Adresse distante<\/strong> &ndash; affiche l&rsquo;adresse IP et le num&eacute;ro de port du syst&egrave;me distant connect&eacute; &agrave; la machine.<\/li>\n\n\n\n<li><strong>&Eacute;tat<\/strong> &ndash; indique l&rsquo;&eacute;tat de la connexion, comme <strong>LISTEN<\/strong>, <strong>ESTABLISHED<\/strong> ou <strong>TIME_WAIT<\/strong>.<\/li>\n<\/ul><p>Par ailleurs, vous verrez des statistiques du domaine UNIX dans la deuxi&egrave;me section, qui incluent :<\/p><ul class=\"wp-block-list\">\n<li><strong>Proto<\/strong> &ndash; indique le protocole utilis&eacute;.<\/li>\n\n\n\n<li><strong>RefCnt<\/strong> &ndash; affiche le compteur de r&eacute;f&eacute;rences du socket.<\/li>\n\n\n\n<li><strong>Drapeaux<\/strong> &ndash; affiche les drapeaux du socket, tels que <strong>ACC<\/strong> (acceptation) ou <strong>W<\/strong> (&eacute;criture possible).<\/li>\n\n\n\n<li><strong>Type<\/strong> &ndash; indique le type de socket, tels que <strong>STREAM<\/strong>, <strong>DGRAM<\/strong> ou <strong>SEQPACKET<\/strong>.<\/li>\n\n\n\n<li><strong>&Eacute;tat<\/strong> &ndash; affiche l&rsquo;&eacute;tat actuel du socket.<\/li>\n\n\n\n<li><strong>I-Node<\/strong> &ndash; repr&eacute;sente le num&eacute;ro d&rsquo;inode associ&eacute; au socket.<\/li>\n\n\n\n<li><strong>Path<\/strong> &ndash; affiche le chemin du syst&egrave;me de fichiers pour le socket, le cas &eacute;ch&eacute;ant.<\/li>\n<\/ul><h2 class=\"wp-block-heading\" id=\"h-netstat-command-options\"><strong>options de la commande netstat<\/strong> <\/h2><p>Comme la plupart des <a href=\"\/fr\/tutoriels\/commandes-linux\">commandes Linux<\/a>, <strong>netstat<\/strong> propose plusieurs options pour personnaliser sa sortie. Voici quelques-unes des options les plus couramment utilis&eacute;es :<\/p><figure tabindex=\"0\" class=\"wp-block-table\"><table><tbody><tr><td><strong>Option<\/strong> <\/td><td><strong>Description.<\/strong> <\/td><\/tr><tr><td><strong>-a<\/strong> <\/td><td>Affiche toutes les connexions actives, y compris les sockets en &eacute;coute et non en &eacute;coute.<\/td><\/tr><tr><td><strong>-l<\/strong> <\/td><td>R&eacute;pertorie uniquement les sockets &agrave; l&rsquo;&eacute;coute.<\/td><\/tr><tr><td><strong>-t<\/strong> <\/td><td>Affiche uniquement les connexions TCP.<\/td><\/tr><tr><td><strong>-u<\/strong> <\/td><td>Affiche uniquement les connexions UDP.<\/td><\/tr><tr><td><strong>-r<\/strong> <\/td><td>Affiche la table de routage du syst&egrave;me.<\/td><\/tr><tr><td><strong>p {<\/strong> <\/td><td>Affiche l&rsquo;identifiant de processus (PID) et le nom du programme associ&eacute;s &agrave; chaque connexion.<\/td><\/tr><tr><td><strong>-n<\/strong> <\/td><td>Affiche des adresses num&eacute;riques au lieu de r&eacute;soudre les noms d&rsquo;h&ocirc;te.<\/td><\/tr><tr><td><strong>-s<\/strong> <\/td><td>Affiche les statistiques des protocoles pour TCP, UDP et les autres protocoles pris en charge.<\/td><\/tr><tr><td><strong>-i<\/strong> <\/td><td>R&eacute;pertorie les interfaces r&eacute;seau et leurs statistiques.<\/td><\/tr><tr><td><strong>&ndash;version<\/strong> <\/td><td>V&eacute;rifie la version de <strong>netstat<\/strong> install&eacute;e sur le syst&egrave;me.<\/td><\/tr><\/tbody><\/table><\/figure><p>Vous pouvez &eacute;galement combiner plusieurs options pour filtrer des d&eacute;tails sp&eacute;cifiques. Par exemple, pour lister toutes les connexions TCP et UDP &agrave; l&rsquo;&eacute;coute avec des adresses num&eacute;riques et les processus associ&eacute;s, tapez :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -tunlp<\/pre><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d11e3\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"410\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunlp-sortie.png\/public\" alt=\"La sortie de la commande netstat -tunlp affiche toutes les connexions TCP et UDP &agrave; l&rsquo;&eacute;coute avec des adresses num&eacute;riques et les processus associ&eacute;s\" class=\"wp-image-47548\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunlp-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunlp-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunlp-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunlp-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><h2 class=\"wp-block-heading\" id=\"h-netstat-command-examples\"><strong>Exemples de la commande netstat<\/strong> <\/h2><p>Contrairement &agrave; d&rsquo;autres outils de surveillance du r&eacute;seau comme telnet, que vous devez installer manuellement sous Linux, <strong>netstat<\/strong> est pr&eacute;install&eacute; sur de nombreuses distributions, ce qui vous permet de commencer &agrave; ex&eacute;cuter des commandes imm&eacute;diatement dans le terminal.<\/p><p>Si vous souhaitez utiliser <strong>netstat<\/strong> sur votre serveur priv&eacute; virtuel (VPS) Linux, assurez-vous de disposer d&rsquo;un acc&egrave;s SSH &agrave; votre serveur. Les clients <a href=\"\/fr\/vps-hosting\">VPS de Hostinger<\/a> peuvent trouver leurs identifiants SSH dans hPanel en allant &agrave; <strong>VPS<\/strong> &rarr; <strong>G&eacute;rer<\/strong> &rarr; <strong>Aper&ccedil;u<\/strong>, puis en trouvant la section <strong>Informations du VPS<\/strong>.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d210e\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large is-resized wp-lightbox-container\"><img decoding=\"async\" width=\"1064\" height=\"342\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2024\/07\/informations-vps-actualise-04-23-2025_05_19_PM-04-23-2025_06_52_PM.png\/public\" alt=\"\" class=\"wp-image-39987\" style=\"width:840px;height:auto\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2024\/07\/informations-vps-actualise-04-23-2025_05_19_PM-04-23-2025_06_52_PM.png\/w=1064,fit=scale-down 1064w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2024\/07\/informations-vps-actualise-04-23-2025_05_19_PM-04-23-2025_06_52_PM.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2024\/07\/informations-vps-actualise-04-23-2025_05_19_PM-04-23-2025_06_52_PM.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2024\/07\/informations-vps-actualise-04-23-2025_05_19_PM-04-23-2025_06_52_PM.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2024\/07\/informations-vps-actualise-04-23-2025_05_19_PM-04-23-2025_06_52_PM.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1064px) 100vw, 1064px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p>Nous proposons &eacute;galement une fonctionnalit&eacute; de <strong>terminal dans le navigateur<\/strong> pour ex&eacute;cuter des commandes directement dans un onglet du navigateur, sans logiciel de terminal suppl&eacute;mentaire. Pour acc&eacute;der &agrave; cette fonctionnalit&eacute;, cliquez sur le bouton dans le coin sup&eacute;rieur droit du tableau de bord de votre VPS.<\/p><p>En outre, <strong>Kodee AI Assistant<\/strong> peut aider pour toutes les questions li&eacute;es au VPS, fournir des instructions adapt&eacute;es &agrave; la configuration de votre serveur et diagnostiquer ou d&eacute;panner les probl&egrave;mes de serveur. S&eacute;lectionnez-le simplement dans la barre lat&eacute;rale gauche du tableau de bord de votre VPS, saisissez votre requ&ecirc;te et Kodee vous fournira l&rsquo;assistance dont vous avez besoin.<\/p><figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.hostinger.com\/fr\/vps\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1024\" height=\"300\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-VPS-hosting_in-text-banner-1024x300-1.png\/public\" alt=\"\" class=\"wp-image-41471\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-VPS-hosting_in-text-banner-1024x300-1.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-VPS-hosting_in-text-banner-1024x300-1.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-VPS-hosting_in-text-banner-1024x300-1.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2022\/12\/FR-VPS-hosting_in-text-banner-1024x300-1.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><h3 class=\"wp-block-heading\" id=\"h-view-all-active-connections\"><strong>Afficher toutes les connexions actives<\/strong> <\/h3><p>La commande <strong>netstat -a<\/strong> affiche toutes les connexions r&eacute;seau actives, y compris les sockets &agrave; l&rsquo;&eacute;coute et non &agrave; l&rsquo;&eacute;coute. Il aide &agrave; diagnostiquer l&rsquo;activit&eacute; r&eacute;seau, les ports ouverts et les risques potentiels de s&eacute;curit&eacute; en identifiant les connexions inattendues.<\/p><p>Ex&eacute;cutez la commande suivante :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -a<\/pre><p>Par exemple, si l&rsquo;&eacute;tat d&rsquo;une connexion est <strong>ESTABLISHED<\/strong>, cela signifie qu&rsquo;il existe une communication bidirectionnelle active entre votre machine et un syst&egrave;me distant. Si l&rsquo;&eacute;tat est <strong>LISTEN<\/strong>, le port est ouvert et en attente de connexions entrantes.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d3b4d\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"698\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-a.png\/public\" alt=\"La sortie de la commande netstat -a affiche toutes les connexions actives, y compris les ports en &eacute;coute et non en &eacute;coute.\" class=\"wp-image-47552\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-a.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-a.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-a.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-a.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"h-check-tcp-connections\"><strong>V&eacute;rifiez les connexions TCP<\/strong> <\/h3><p>Si vous souhaitez afficher uniquement les connexions actives du protocole de contr&ocirc;le de transmission (TCP), utilisez <strong>netstat<\/strong> avec les options <strong>-a <\/strong>et <strong>-t<\/strong>. Cela vous permet d&rsquo;identifier rapidement les probl&egrave;mes affectant les services bas&eacute;s sur TCP, tels que les serveurs web, SSH et les connexions aux bases de donn&eacute;es.<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -at<\/pre><p>Si vous constatez de nombreuses connexions <strong>ESTABLISHED<\/strong>, cela peut indiquer une charge &eacute;lev&eacute;e sur un service sp&eacute;cifique ou une attaque en cours. Par ailleurs, la pr&eacute;sence de multiples &eacute;tats <strong>TIME_WAIT<\/strong> ou <strong>CLOSE_WAIT<\/strong> indique que le serveur peine &agrave; fermer correctement les connexions, ce qui peut entra&icirc;ner un &eacute;puisement des ressources.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d467f\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"421\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-at-sortie.png\/public\" alt=\"La sortie de la commande netstat -at affiche les connexions TCP actives.\" class=\"wp-image-47554\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-at-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-at-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-at-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-at-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"h-list-all-udp-connections\"><strong>Lister toutes les connexions UDP<\/strong> <\/h3><p>La surveillance des connexions User Datagram Protocol (UDP) permet d&rsquo;identifier les pertes de paquets, une latence &eacute;lev&eacute;e ou un trafic inattendu. Pour filtrer la sortie et n&rsquo;afficher que les activit&eacute;s r&eacute;seau bas&eacute;es sur UDP, y compris les ports UDP ouverts et connect&eacute;s, utilisez cette commande :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -au<\/pre><p>Comme UDP est un protocole sans connexion, la sortie n&rsquo;inclut pas de valeurs dans la colonne <strong>State<\/strong>, contrairement &agrave; l&rsquo;exemple pr&eacute;c&eacute;dent qui affiche les connexions TCP actives.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d68ae\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"228\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-au-sortie.png\/public\" alt=\"La sortie de la commande netstat -au affiche les connexions UDP actives\" class=\"wp-image-47556\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-au-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-au-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-au-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-au-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p>\n\n<div class=\"protip\">\n                    <h4 class=\"title\">La diff&eacute;rence entre TCP et UDP<\/h4>\n                    <p> TCP &eacute;tablit une connexion avant de transmettre des donn&eacute;es afin d&rsquo;assurer une communication fiable et sans erreur, ce qui est id&eacute;al pour la navigation web, les transferts de fichiers et le courrier &eacute;lectronique. En revanche, UDP envoie des paquets sans n&eacute;cessiter de handshake, ce qui le rend plus rapide mais moins fiable, ce qui convient aux applications &agrave; faible latence comme les requ&ecirc;tes DNS et la VoIP.<\/p>\n                <\/div>\n\n\n\n<\/p><h3 class=\"wp-block-heading\" id=\"h-show-numerical-addresses\"><strong>Afficher les adresses num&eacute;riques<\/strong> <\/h3><p>Par d&eacute;faut, <strong>netstat<\/strong> r&eacute;sout les noms d&rsquo;h&ocirc;te en noms de domaine lisibles par l&rsquo;humain, ce qui peut ralentir l&rsquo;ex&eacute;cution de la commande sur des r&eacute;seaux comportant de nombreuses connexions. Pour d&eacute;sactiver la r&eacute;solution des noms d&rsquo;h&ocirc;te et afficher des adresses IP num&eacute;riques, ajoutez l&rsquo;option <strong>-n<\/strong> :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -n<\/pre><p>Lorsqu&rsquo;il est ex&eacute;cut&eacute;, <strong>netstat<\/strong> affiche les connexions sous forme num&eacute;rique, par exemple <strong>192.168.1.100 :443<\/strong> au lieu de <strong>example.tld :443<\/strong>. Cela est utile lors de l&rsquo;analyse des adresses locales et &eacute;trang&egrave;res dans les connexions actives, car cela offre une vue plus rapide et plus claire de l&rsquo;activit&eacute; r&eacute;seau.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d8a79\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"463\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-n.png\/public\" alt=\"La sortie de la commande netstat -n affiche les connexions sous forme num&eacute;rique.\" class=\"wp-image-47558\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-n.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-n.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-n.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-sortie-de-netstat-n.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"h-display-listening-ports\"><strong>Afficher les ports &agrave; l&rsquo;&eacute;coute<\/strong> <\/h3><p>Vous pouvez identifier les services qui &eacute;coutent activement les connexions entrantes sur tous les ports ouverts en ex&eacute;cutant :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -l<\/pre><p>La sortie affiche uniquement les sockets dans l&rsquo;&eacute;tat <strong>LISTEN<\/strong>, ce qui signifie qu&rsquo;ils attendent activement des connexions entrantes.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956d9e7a\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"641\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-l-sortie.png\/public\" alt=\"La sortie de la commande netstat -l affiche les sockets &agrave; l&rsquo;&eacute;tat LISTEN.\" class=\"wp-image-47560\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-l-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-l-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-l-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-l-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p>Pour des r&eacute;sultats davantage filtr&eacute;s, combinez l&rsquo;option <strong>-l <\/strong>avec <strong>-t<\/strong> pour TCP ou <strong>-u<\/strong> pour des connexions UDP uniquement :<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -lt # Afficher uniquement les ports TCP en &eacute;coute<\/pre><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -lu # Afficher uniquement les ports UDP en &eacute;coute<\/pre><h3 class=\"wp-block-heading\" id=\"h-analyze-routing-tables\"><strong>Analysez les tables de routage<\/strong> <\/h3><p>La commande <strong>netstat -r<\/strong> examine la fa&ccedil;on dont votre syst&egrave;me achemine le trafic r&eacute;seau.<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -r<\/pre><p>Il fournit des d&eacute;tails tels que les r&eacute;seaux de destination, les passerelles et les informations d&rsquo;interface.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956db751\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"158\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-r-sortie.png\/public\" alt=\"La sortie de la commande netstat -r affiche une table de routage IP.\" class=\"wp-image-47562\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-r-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-r-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-r-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-r-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p>Voici ce que repr&eacute;sente chaque colonne dans la sortie :<\/p><ul class=\"wp-block-list\">\n<li><strong>Destination<\/strong> &ndash; le r&eacute;seau cible ou l&rsquo;adresse IP.<\/li>\n\n\n\n<li><strong>Passerelle<\/strong> &ndash; le prochain saut pour atteindre la destination.<\/li>\n\n\n\n<li><strong>Genmask<\/strong> &ndash; le masque de sous-r&eacute;seau d&eacute;finissant la plage du r&eacute;seau.<\/li>\n\n\n\n<li><strong>Drapeaux<\/strong> &ndash; indicateurs tels que <strong>UG<\/strong> (actif, passerelle) ou <strong>U<\/strong> (actif, route directe).<\/li>\n\n\n\n<li><strong>MSS <\/strong> &ndash; la taille maximale de segment (MSS) pour les connexions TCP sur la route.<\/li>\n\n\n\n<li><strong>Fen&ecirc;tre <\/strong> &ndash; la taille maximale de la fen&ecirc;tre TCP pour la route.<\/li>\n\n\n\n<li><strong>irtt <\/strong> &ndash; le temps aller-retour initial (RTT) pour les connexions TCP, mesur&eacute; en millisecondes.<\/li>\n\n\n\n<li><strong>Iface<\/strong> &ndash; l&rsquo;interface r&eacute;seau qui g&egrave;re la route.<\/li>\n<\/ul><h3 class=\"wp-block-heading\" id=\"h-identify-protocol-statistics\"><strong>Identifier les statistiques de protocole<\/strong> <\/h3><p>En utilisant <strong>netstat<\/strong> avec l&rsquo;option <strong>-s<\/strong>, vous pouvez obtenir des statistiques d&eacute;taill&eacute;es pour diff&eacute;rents protocoles r&eacute;seau, notamment TCP, UDP, ICMP et IP. Cela est utile pour identifier la perte de paquets, les erreurs de transmission et les connexions interrompues.<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -s<\/pre><p>La sortie organise les statistiques par protocole. Par exemple, les statistiques TCP incluent des valeurs pour les connexions actives, les retransmissions et les paquets abandonn&eacute;s, tandis que les statistiques UDP fournissent des d&eacute;tails sur les datagrammes re&ccedil;us, envoy&eacute;s ou &eacute;cart&eacute;s.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956dd508\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"784\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-de-netstat-s-dans-le-terminal.png\/public\" alt=\"La sortie de la commande netstat -s affiche des statistiques pour diff&eacute;rents protocoles\" class=\"wp-image-47564\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-de-netstat-s-dans-le-terminal.png\/w=784,fit=scale-down 784w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-de-netstat-s-dans-le-terminal.png\/w=230,fit=scale-down 230w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-de-netstat-s-dans-le-terminal.png\/w=115,fit=scale-down 115w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/sortie-de-netstat-s-dans-le-terminal.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 784px) 100vw, 784px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p><div class=\"protip\">\n                    <h4 class=\"title\">Astuce<\/h4>\n                    <p>Lors du d&eacute;pannage de probl&egrave;mes r&eacute;seau avec <strong>netstat -s<\/strong>, recherchez : <\/p><li><strong>Un taux &eacute;lev&eacute; de retransmissions<\/strong> &ndash; indique une congestion du r&eacute;seau ou des connexions instables.\n<\/li><li><strong>Perte de paquets en UDP<\/strong> &ndash; indique une interf&eacute;rence r&eacute;seau ou une bande passante insuffisante.\n<\/li><li><strong>Erreurs ICMP<\/strong> &ndash; indiquent des probl&egrave;mes de routage ou des restrictions de pare-feu.<\/p>\n                <\/div> <\/li><h3 class=\"wp-block-heading\" id=\"h-find-connections-associated-with-a-specific-program\"><strong>Trouvez les connexions associ&eacute;es &agrave; un programme sp&eacute;cifique<\/strong> <\/h3><p>Pour identifier quel programme poss&egrave;de une connexion r&eacute;seau, utilisez la commande <strong>netstat -pt<\/strong>. Cela affiche les connexions TCP actives ainsi que l&rsquo;identifiant de processus (PID) et le nom du programme associ&eacute;, ce qui vous aide &agrave; surveiller les applications en cours d&rsquo;ex&eacute;cution et &agrave; d&eacute;tecter toute activit&eacute; suspecte.<\/p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -pt<\/pre><p>Vous devriez voir la colonne <strong>PID\/Program name<\/strong> compl&egrave;tement &agrave; droite de la sortie, comme illustr&eacute; ci-dessous :<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956df4d6\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"104\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-pt-sortie.png\/public\" alt=\"La sortie de la commande netstat -pt affiche les programmes associ&eacute;s &agrave; chaque connexion r&eacute;seau.\" class=\"wp-image-47566\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-pt-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-pt-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-pt-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-pt-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><p>Ici, <strong>318706<\/strong> est le PID, tandis que <strong>sshd<\/strong> est le programme associ&eacute; &agrave; la connexion.<\/p><p>Si plusieurs connexions partagent le m&ecirc;me PID, une seule application g&egrave;re plus d&rsquo;une session. De plus, un tiret (<strong>&ndash;<\/strong>) dans la colonne indique que <strong>netstat<\/strong> n&rsquo;a pas pu r&eacute;cup&eacute;rer le nom du programme, g&eacute;n&eacute;ralement en raison de restrictions de permissions.<\/p><h3 class=\"wp-block-heading\" id=\"h-filter-output-with-options\"><strong>Filtrer la sortie avec des options<\/strong> <\/h3><p>Comme expliqu&eacute; pr&eacute;c&eacute;demment, vous pouvez affiner la sortie de <strong>netstat<\/strong> et vous concentrer sur des d&eacute;tails sp&eacute;cifiques en combinant plusieurs options. Le filtrage des donn&eacute;es inutiles rend le d&eacute;pannage plus efficace et aide &agrave; rep&eacute;rer plus rapidement les probl&egrave;mes r&eacute;seau.<\/p><p>Voici quelques combinaisons utiles :<\/p><ul class=\"wp-block-list\">\n<li>R&eacute;pertoriez tous les ports TCP et UDP &agrave; l&rsquo;&eacute;coute avec des adresses num&eacute;riques :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -tunl<\/pre><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956e0d6c\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"562\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunl-sortie.png\/public\" alt=\"La sortie de la commande netstat -tunl affiche tous les ports TCP et UDP en &eacute;coute avec des adresses num&eacute;riques.\" class=\"wp-image-47570\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunl-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunl-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunl-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tunl-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><ul class=\"wp-block-list\">\n<li>Affichez toutes les connexions actives ainsi que les PID :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -tapn<\/pre><figure data-wp-context='{\"imageId\":\"6a09c956e234d\"}' data-wp-interactive=\"core\/image\" class=\"wp-block-image aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"329\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tapn-sortie.png\/public\" alt=\"La sortie de la commande netstat -tapn affiche les connexions actives avec leurs PID.\n\" class=\"wp-image-47571\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tapn-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tapn-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tapn-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tapn-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><ul class=\"wp-block-list\">\n<li>Analysez les tables de routage avec des adresses num&eacute;riques :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -rn<\/pre><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956e4590\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"156\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-rn-sortie.png\/public\" alt=\"La sortie de la commande netstat -rn affiche une table de routage IP avec des adresses num&eacute;riques.\" class=\"wp-image-47573\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-rn-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-rn-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-rn-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-rn-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><ul class=\"wp-block-list\">\n<li>Surveillance des interfaces r&eacute;seau et de leurs statistiques :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -ie<\/pre><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956e5d9d\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"541\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-ie-sortie.png\/public\" alt=\"La sortie de la commande netstat -ie affiche les interfaces r&eacute;seau et leurs statistiques.\" class=\"wp-image-47575\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-ie-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-ie-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-ie-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-ie-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><h3 class=\"wp-block-heading\" id=\"h-use-netstat-with-other-commands\"><strong>Utilisez netstat avec d&rsquo;autres commandes<\/strong> <\/h3><p>Outre la combinaison de plusieurs options pour filtrer des d&eacute;tails sp&eacute;cifiques, vous pouvez rediriger la sortie de <strong>netstat<\/strong> vers d&rsquo;autres outils en ligne de commande comme <strong>grep<\/strong>, <strong>awk<\/strong> et <strong>wc<\/strong>. Cela permet d&rsquo;extraire les donn&eacute;es r&eacute;seau pertinentes et de les pr&eacute;senter dans un format plus lisible.<\/p><ul class=\"wp-block-list\">\n<li>Filtrer les connexions par num&eacute;ro de port :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -an | grep \":80\"<\/pre><p>Ici, <a href=\"\/fr\/tutoriels\/commande-grep-sous-linux\">grep<\/a> filtre et affiche uniquement les connexions li&eacute;es au port <strong>80<\/strong> (HTTP).<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956e7944\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"113\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-80-sortie.png\/public\" alt=\"\" class=\"wp-image-47577\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-80-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-80-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-80-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-80-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><ul class=\"wp-block-list\">\n<li>Afficher uniquement les connexions &agrave; l&rsquo;&eacute;coute :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -an | grep LISTEN<\/pre><p>Cela filtre les r&eacute;sultats pour n&rsquo;afficher que les ports &agrave; l&rsquo;&eacute;tat <strong>LISTEN<\/strong>.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956e9e64\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"536\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-ecoute-sortie.png\/public\" alt=\"La commande netstat -an | grep LISTEN affiche les ports &agrave; l&rsquo;&eacute;tat LISTEN.\" class=\"wp-image-47579\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-ecoute-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-ecoute-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-ecoute-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-grep-ecoute-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><ul class=\"wp-block-list\">\n<li>Extraire les PID associ&eacute;s aux connexions :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -tpn | awk '{print $7}'<\/pre><p>Dans cette commande, awk extrait la <strong>7e<\/strong> colonne contenant les PID et les noms de programmes.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956eb2b1\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"174\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tpn-awk-print-7-sortie.png\/public\" alt=\"La sortie de la commande netstat -tpn | awk '{print }' affiche les PID et les noms de programmes.\" class=\"wp-image-47581\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tpn-awk-print-7-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tpn-awk-print-7-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tpn-awk-print-7-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-tpn-awk-print-7-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><ul class=\"wp-block-list\">\n<li>Comptez le nombre de connexions actives :<\/li>\n<\/ul><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">netstat -an | wc -l<\/pre><p><strong>wc -l <\/strong>compte le nombre total de connexions actuellement actives.<\/p><div class=\"wp-block-image\">\n<figure data-wp-context='{\"imageId\":\"6a09c956ec8aa\"}' data-wp-interactive=\"core\/image\" class=\"aligncenter size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"121\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-wc-l-sortie.png\/public\" alt=\"La sortie de la commande netstat -an | wc -l affiche le total des connexions actives.\" class=\"wp-image-47585\" srcset=\"https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-wc-l-sortie.png\/w=1024,fit=scale-down 1024w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-wc-l-sortie.png\/w=300,fit=scale-down 300w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-wc-l-sortie.png\/w=150,fit=scale-down 150w, https:\/\/imagedelivery.net\/LqiWLm-3MGbYHtFuUbcBtA\/wp-content\/uploads\/sites\/46\/2026\/03\/terminal-netstat-an-wc-l-sortie.png\/w=768,fit=scale-down 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" aria-label=\"Enlarge\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-style--right=\"state.imageButtonRight\" data-wp-style--top=\"state.imageButtonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure><\/div><h2 class=\"wp-block-heading\" id=\"h-conclusion\"><strong>Conclusion<\/strong> <\/h2><p>La commande <strong>netstat<\/strong> est un outil puissant pour surveiller les informations li&eacute;es au r&eacute;seau sur divers syst&egrave;mes d&rsquo;exploitation, notamment Linux. Dans cet article, nous avons explor&eacute; sa syntaxe, ses options courantes et des cas d&rsquo;utilisation concrets, tels que l&rsquo;affichage des statistiques de protocole, la liste des connexions actives et l&rsquo;analyse des tables de routage.<\/p><p>En explorant diff&eacute;rentes options et en combinant netstat avec d&rsquo;autres commandes comme <strong>grep<\/strong> et <strong>awk<\/strong>, vous pouvez obtenir des informations plus d&eacute;taill&eacute;es sur l&rsquo;activit&eacute; r&eacute;seau et diagnostiquer les probl&egrave;mes plus efficacement.<\/p><p>Cependant, <strong>netstat<\/strong> a &eacute;t&eacute; d&eacute;pr&eacute;ci&eacute; dans certaines distributions Linux r&eacute;centes. Bien qu&rsquo;il reste utile pour des t&acirc;ches simples, nous recommandons d&rsquo;utiliser <strong>ss<\/strong> (pour les statistiques de sockets) et <strong>ip route<\/strong> (pour l&rsquo;analyse du routage) comme alternatives modernes, car ils offrent des performances plus rapides et un affichage plus d&eacute;taill&eacute;.<\/p><p>Si vous avez des questions &agrave; propos de <strong>netstat<\/strong> ou souhaitez partager votre exp&eacute;rience de son utilisation &mdash; ou de passage &agrave; des outils alternatifs &mdash; faites-le-nous savoir dans les commentaires ci-dessous.<\/p><h2 class=\"wp-block-heading\" id=\"h-netstat-command-faq\"><strong>FAQ sur la commande netstat<\/strong> <\/h2><div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1775038750267\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">&Agrave; quoi sert la commande netstat ?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>La commande&nbsp;<strong>netstat<\/strong>&nbsp;surveille les connexions r&eacute;seau, affiche les tables de routage et fournit des statistiques sur les protocoles. Les administrateurs syst&egrave;me l&rsquo;utilisent pour diagnostiquer des probl&egrave;mes de connectivit&eacute;, trouver des ports ouverts et analyser le flux de trafic sous Linux, Windows et macOS.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1775038751770\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong><strong>Comment utiliser la commande netstat ?<\/strong><\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Pour utiliser la commande netstat, ouvrez une fen&ecirc;tre de terminal et saisissez&nbsp;<strong>netstat<\/strong>. Cela affiche les connexions actives et les statistiques des sockets. Vous pouvez ajouter des options pour obtenir une sortie plus d&eacute;taill&eacute;e, comme&nbsp;<strong>-t&nbsp;<\/strong>pour lister les connexions TCP et&nbsp;<strong>-l&nbsp;<\/strong>pour n&rsquo;afficher que les ports en &eacute;coute.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1775038752337\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong><strong>En quoi netstat est-il diff&eacute;rent de la commande ss ?<\/strong><\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>La commande&nbsp;<strong>ss<\/strong>&nbsp;constitue une alternative plus rapide &agrave;&nbsp;<strong>netstat<\/strong>, offrant des statistiques de sockets plus d&eacute;taill&eacute;es avec une moindre utilisation des ressources. Contrairement &agrave;&nbsp;<strong>netstat<\/strong>,&nbsp;<strong>ss<\/strong>&nbsp;r&eacute;cup&egrave;re en temps r&eacute;el des donn&eacute;es directement du noyau. De nombreuses distributions Linux modernes ont d&eacute;pr&eacute;ci&eacute;&nbsp;<strong>netstat<\/strong>&nbsp;au profit de&nbsp;<strong>ss<\/strong>&nbsp;pour de meilleures performances et une pr&eacute;cision accrue.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>netstat (abr&eacute;viation de &laquo; network statistics &raquo;) est un outil en ligne de commande pour surveiller les connexions r&eacute;seau, diagnostiquer des probl&egrave;mes et collecter des donn&eacute;es importantes li&eacute;es au r&eacute;seau. Disponible sur Linux, Windows et macOS, il fournit des informations en temps r&eacute;el sur les connexions TCP et UDP actives, les ports &agrave; l&rsquo;&eacute;coute, les [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"\/fr\/tutoriels\/commande-netstat\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":190,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Comment utiliser la commande netstat sous Linux","rank_math_description":"La commande netstat affiche les connexions r\u00e9seau sous Linux. Apprenez \u00e0 l\u2019utiliser pour analyser et r\u00e9soudre les probl\u00e8mes.","rank_math_focus_keyword":"commande netstat","footnotes":""},"categories":[4760],"tags":[],"class_list":["post-47586","post","type-post","status-publish","format-standard","hentry","category-vps"],"hreflangs":[],"_links":{"self":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts\/47586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/users\/190"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/comments?post=47586"}],"version-history":[{"count":8,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts\/47586\/revisions"}],"predecessor-version":[{"id":47685,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/posts\/47586\/revisions\/47685"}],"wp:attachment":[{"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/media?parent=47586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/categories?post=47586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostinger.com\/fr\/tutoriels\/wp-json\/wp\/v2\/tags?post=47586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}