{"id":306,"date":"2026-05-03T17:27:49","date_gmt":"2026-05-03T15:27:49","guid":{"rendered":"https:\/\/eryann.fr\/?p=306"},"modified":"2026-05-03T17:28:13","modified_gmt":"2026-05-03T15:28:13","slug":"fiche-scp-sous-linux","status":"publish","type":"post","link":"https:\/\/eryann.fr\/index.php\/non-classe\/fiche-scp-sous-linux\/","title":{"rendered":"Fiche scp sous linux"},"content":{"rendered":"\n<p><code>scp<\/code> (Secure Copy Protocol) permet de transf\u00e9rer des fichiers de mani\u00e8re s\u00e9curis\u00e9e via SSH.<\/p>\n\n\n\n<p>Il est utilis\u00e9 pour :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>- copier des fichiers vers un serveur<br>- r\u00e9cup\u00e9rer des fichiers depuis un serveur<br>- transf\u00e9rer des dossiers complets<br>- automatiser des transferts s\u00e9curis\u00e9s<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/fcfbdfa9-fcf9-409a-89c9-6c6f2f9b030f-683x1024.png\" alt=\"\" class=\"wp-image-307\" srcset=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/fcfbdfa9-fcf9-409a-89c9-6c6f2f9b030f-683x1024.png 683w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/fcfbdfa9-fcf9-409a-89c9-6c6f2f9b030f-200x300.png 200w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/fcfbdfa9-fcf9-409a-89c9-6c6f2f9b030f-768x1152.png 768w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/fcfbdfa9-fcf9-409a-89c9-6c6f2f9b030f.png 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Principe<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp source destination<\/code><\/pre>\n\n\n\n<p>Le transfert se fait via SSH (port 22 par d\u00e9faut).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Syntaxe g\u00e9n\u00e9rale<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp &#91;options] source utilisateur@ip:\/chemin<br>scp &#91;options] utilisateur@ip:\/chemin destination<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Connexion avec cl\u00e9 SSH (recommand\u00e9)<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00e9n\u00e9ration de la cl\u00e9<\/h2>\n\n\n\n<p>Sur le poste client :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh-keygen -t rsa -b 4096<\/code><\/pre>\n\n\n\n<p>Fichiers g\u00e9n\u00e9r\u00e9s :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>~\/.ssh\/id_rsa        (cl\u00e9 priv\u00e9e)<br>~\/.ssh\/id_rsa.pub    (cl\u00e9 publique)<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Copie de la cl\u00e9 sur le serveur<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh-copy-id user@192.168.1.10<\/code><\/pre>\n\n\n\n<p>Ou manuellement :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat ~\/.ssh\/id_rsa.pub &gt;&gt; ~\/.ssh\/authorized_keys<\/code><\/pre>\n\n\n\n<p>Sur le serveur :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 700 ~\/.ssh<br>chmod 600 ~\/.ssh\/authorized_keys<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Test de connexion<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh user@192.168.1.10<\/code><\/pre>\n\n\n\n<p>Si la connexion fonctionne sans mot de passe, la cl\u00e9 est correctement configur\u00e9e.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Utilisation de scp avec cl\u00e9<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -i ~\/.ssh\/id_rsa fichier.txt user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9sactivation du mot de passe (optionnel)<\/h2>\n\n\n\n<p>Sur le serveur :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nano \/etc\/ssh\/sshd_config<\/code><\/pre>\n\n\n\n<p>Modifier :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PasswordAuthentication no<\/code><\/pre>\n\n\n\n<p>Puis :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart ssh<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Transfert de fichiers<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Upload<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp fichier.txt user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Download<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp user@192.168.1.10:\/home\/user\/fichier.txt .<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Copie d\u2019un dossier<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -r dossier user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Options utiles<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Port personnalis\u00e9<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -P 2222 fichier.txt user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Compression<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -C fichier.txt user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Mode verbeux<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -v fichier.txt user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Limiter le d\u00e9bit<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -l 1000 fichier.txt user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Exemple complet<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -r -C -i ~\/.ssh\/id_rsa dossier user@192.168.1.10:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Copier entre deux serveurs<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp user1@192.168.1.10:\/fichier.txt user2@192.168.1.20:\/home\/user\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Permissions<\/h2>\n\n\n\n<p>V\u00e9rifier :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ls -l<\/code><\/pre>\n\n\n\n<p>Modifier :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 644 fichier.txt<br>chown user:user fichier.txt<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Script automatis\u00e9<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash<br><br>scp -i ~\/.ssh\/id_rsa \/backup\/data.tar.gz user@192.168.1.10:\/backup\/<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Probl\u00e8mes fr\u00e9quents<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Probl\u00e8me<\/th><th>Cause<\/th><th>Solution<\/th><\/tr><\/thead><tbody><tr><td>Permission denied (publickey)<\/td><td>cl\u00e9 absente<\/td><td>v\u00e9rifier authorized_keys<\/td><\/tr><tr><td>Mauvais droits SSH<\/td><td>permissions incorrectes<\/td><td>chmod 600 \/ 700<\/td><\/tr><tr><td>Connexion refus\u00e9e<\/td><td>SSH arr\u00eat\u00e9<\/td><td>systemctl status ssh<\/td><\/tr><tr><td>Timeout<\/td><td>firewall<\/td><td>ouvrir port 22<\/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\">Bonnes pratiques<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>- utiliser des cl\u00e9s SSH<br>- prot\u00e9ger la cl\u00e9 priv\u00e9e<br>- d\u00e9sactiver l\u2019authentification par mot de passe<br>- utiliser des chemins absolus<br>- automatiser avec scripts<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Fichiers importants<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>~\/.ssh\/id_rsa<br>~\/.ssh\/id_rsa.pub<br>~\/.ssh\/authorized_keys<br>\/etc\/ssh\/sshd_config<br>\/var\/log\/auth.log<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c0 retenir<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scp + cl\u00e9 SSH = transfert s\u00e9curis\u00e9 sans mot de passe<br>solution simple, rapide et adapt\u00e9e aux scripts<\/code><\/pre>\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>scp (Secure Copy Protocol) permet de transf\u00e9rer des fichiers de mani\u00e8re s\u00e9curis\u00e9e via SSH. Il est utilis\u00e9 pour : Principe Le transfert se fait via SSH (port 22 par d\u00e9faut). Syntaxe g\u00e9n\u00e9rale Connexion avec cl\u00e9 SSH (recommand\u00e9) G\u00e9n\u00e9ration de la cl\u00e9 Sur le poste client : Fichiers g\u00e9n\u00e9r\u00e9s : Copie de la cl\u00e9 sur le [&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":[12,1,5],"tags":[],"class_list":["post-306","post","type-post","status-publish","format-standard","hentry","category-linux","category-non-classe","category-systeme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fiche scp sous linux - 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\/non-classe\/fiche-scp-sous-linux\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche scp sous linux - Eryann Breizh SecOps\" \/>\n<meta property=\"og:description\" content=\"scp (Secure Copy Protocol) permet de transf\u00e9rer des fichiers de mani\u00e8re s\u00e9curis\u00e9e via SSH. Il est utilis\u00e9 pour : Principe Le transfert se fait via SSH (port 22 par d\u00e9faut). 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