{"id":168,"date":"2026-05-02T00:54:06","date_gmt":"2026-05-01T22:54:06","guid":{"rendered":"https:\/\/eryann.fr\/?p=168"},"modified":"2026-05-02T14:11:08","modified_gmt":"2026-05-02T12:11:08","slug":"fiche-nmap-scan-reseau-et-detection-dequipements","status":"publish","type":"post","link":"https:\/\/eryann.fr\/index.php\/reseau\/fiche-nmap-scan-reseau-et-detection-dequipements\/","title":{"rendered":"Fiche nmap : scan r\u00e9seau et d\u00e9tection d\u2019\u00e9quipements"},"content":{"rendered":"\n<p>Pour les \u00e9tudiants en BTS CIEL ou SIO, <strong>nmap<\/strong> est un outil incontournable pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d\u00e9couvrir les machines du r\u00e9seau<\/li>\n\n\n\n<li>identifier les services expos\u00e9s<\/li>\n\n\n\n<li>d\u00e9tecter des failles potentielles<\/li>\n<\/ul>\n\n\n\n<p>Cette fiche pr\u00e9sente :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les commandes essentielles<\/li>\n\n\n\n<li>des exemples concrets<\/li>\n\n\n\n<li>l\u2019utilisation des scripts de d\u00e9tection de vuln\u00e9rabilit\u00e9s<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Commandes nmap essentielles (bloc unique)<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># =========================================================<br># SCAN BASIQUE<br># =========================================================<br><br>nmap 192.168.1.1<br><br># Scan d\u2019un r\u00e9seau<br>nmap 192.168.1.0\/24<br><br># Scan rapide<br>nmap -F 192.168.1.1<br><br># =========================================================<br># DETECTION SERVICES<br># =========================================================<br><br>nmap -sV 192.168.1.1<br><br># =========================================================<br># DETECTION OS<br># =========================================================<br><br>nmap -O 192.168.1.1<br><br># =========================================================<br># SCAN COMPLET<br># =========================================================<br><br>nmap -A 192.168.1.1<br><br># =========================================================<br># SCAN PORTS SPECIFIQUES<br># =========================================================<br><br>nmap -p 22,80,443 192.168.1.1<br><br># =========================================================<br># SCAN DISCRET (SYN)<br># =========================================================<br><br>nmap -sS 192.168.1.1<br><br># =========================================================<br># SCAN UDP<br># =========================================================<br><br>nmap -sU 192.168.1.1<br><br># =========================================================<br># SCAN AVEC TIMING<br># =========================================================<br><br>nmap -T4 192.168.1.1<br><br># =========================================================<br># EXPORT RESULTATS<br># =========================================================<br><br>nmap -oN resultat.txt 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Explication d\u00e9taill\u00e9e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Types de scan<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-sS<\/code> : scan SYN (rapide, discret)<\/li>\n\n\n\n<li><code>-sV<\/code> : version des services<\/li>\n\n\n\n<li><code>-O<\/code> : d\u00e9tection OS<\/li>\n\n\n\n<li><code>-A<\/code> : scan complet (OS + services + scripts)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">R\u00e9sultat type<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>PORT   STATE SERVICE VERSION<br>22\/tcp open  ssh     OpenSSH 8.4<br>80\/tcp open  http    Apache 2.4.52<\/code><\/pre>\n\n\n\n<p> Permet d\u2019identifier :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les services actifs<\/li>\n\n\n\n<li>les versions \u2192 potentielles vuln\u00e9rabilit\u00e9s<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9tection de vuln\u00e9rabilit\u00e9s avec nmap<\/h2>\n\n\n\n<p>nmap utilise les <strong>scripts NSE (Nmap Scripting Engine)<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Scan de vuln\u00e9rabilit\u00e9s basique<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script vuln 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9tection HTTP<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script http-enum 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9tection brute force SSH<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script ssh-brute 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9tection SMB (Windows)<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script smb-vuln* 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9tection FTP<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script ftp-anon 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Scan cibl\u00e9 avec vuln\u00e9rabilit\u00e9s<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap -sV --script vuln 192.168.1.1<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Exemples concrets<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple 1 : d\u00e9couverte r\u00e9seau<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap 192.168.1.0\/24<\/code><\/pre>\n\n\n\n<p>R\u00e9sultat :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.1 \u2192 routeur<br>192.168.1.10 \u2192 serveur<br>192.168.1.20 \u2192 PC<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple 2 : serveur web vuln\u00e9rable<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap -sV --script vuln 192.168.1.10<\/code><\/pre>\n\n\n\n<p>R\u00e9sultat :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>80\/tcp open http Apache 2.2 (obsolete)<br>VULNERABLE: outdated Apache version<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple 3 : FTP anonyme<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script ftp-anon 192.168.1.10<\/code><\/pre>\n\n\n\n<p>R\u00e9sultat :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Anonymous FTP login allowed<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple 4 : Windows SMB vuln\u00e9rable<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap --script smb-vuln-ms17-010 192.168.1.10<\/code><\/pre>\n\n\n\n<p>R\u00e9sultat :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>VULNERABLE: MS17-010 (EternalBlue)<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple 5 : scan discret r\u00e9seau<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap -sS -T4 192.168.1.0\/24<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple 6 : scan ports + services<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmap -p 1-1000 -sV 192.168.1.10<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Bonnes pratiques<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>toujours scanner un r\u00e9seau autoris\u00e9<\/li>\n\n\n\n<li>commencer par un scan simple<\/li>\n\n\n\n<li>\u00e9viter les scans agressifs en production<\/li>\n\n\n\n<li>analyser les versions des services<\/li>\n\n\n\n<li>combiner avec d\u2019autres outils (Wireshark, logs)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9capitulatif des commandes<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Commande<\/th><th>R\u00f4le<\/th><\/tr><\/thead><tbody><tr><td>nmap IP<\/td><td>scan basique<\/td><\/tr><tr><td>nmap -sV<\/td><td>version services<\/td><\/tr><tr><td>nmap -O<\/td><td>OS<\/td><\/tr><tr><td>nmap -A<\/td><td>scan complet<\/td><\/tr><tr><td>nmap &#8211;script vuln<\/td><td>vuln\u00e9rabilit\u00e9s<\/td><\/tr><tr><td>nmap -sS<\/td><td>discret<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>nmap est un outil essentiel pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cartographier un r\u00e9seau<\/li>\n\n\n\n<li>identifier les services<\/li>\n\n\n\n<li>d\u00e9tecter des failles<\/li>\n<\/ul>\n\n\n\n<p>Sa ma\u00eetrise est indispensable en cybers\u00e9curit\u00e9, audit et administration r\u00e9seau.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><audio autoplay=\"\"><\/audio><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour les \u00e9tudiants en BTS CIEL ou SIO, nmap est un outil incontournable pour : Cette fiche pr\u00e9sente : Commandes nmap essentielles (bloc unique) Explication d\u00e9taill\u00e9e Types de scan R\u00e9sultat type Permet d\u2019identifier : D\u00e9tection de vuln\u00e9rabilit\u00e9s avec nmap nmap utilise les scripts NSE (Nmap Scripting Engine) Scan de vuln\u00e9rabilit\u00e9s basique D\u00e9tection HTTP D\u00e9tection brute [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[10],"tags":[],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-reseau"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fiche nmap : scan r\u00e9seau et d\u00e9tection d\u2019\u00e9quipements - Eryann Breizh SecOps<\/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:\/\/eryann.fr\/index.php\/reseau\/fiche-nmap-scan-reseau-et-detection-dequipements\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche nmap : scan 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