{"id":60,"date":"2026-05-01T19:10:03","date_gmt":"2026-05-01T17:10:03","guid":{"rendered":"http:\/\/eryann.fr\/?p=60"},"modified":"2026-05-01T19:11:52","modified_gmt":"2026-05-01T17:11:52","slug":"fiche-passage-en-ssl-avec-certificat-autosigne-apache2","status":"publish","type":"post","link":"https:\/\/eryann.fr\/index.php\/systeme\/fiche-passage-en-ssl-avec-certificat-autosigne-apache2\/","title":{"rendered":"Fiche passage en ssl avec certificat autosign\u00e9 apache2"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Introduction (BTS CIEL \/ SIO)<\/h3>\n\n\n\n<p>Dans un contexte BTS CIEL ou SIO, s\u00e9curiser un site web en HTTPS est une \u00e9tape essentielle.<br>Le protocole SSL\/TLS permet de chiffrer les \u00e9changes entre le client et le serveur.<\/p>\n\n\n\n<p>Un certificat autosign\u00e9 permet de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tester HTTPS en environnement local<\/li>\n\n\n\n<li>s\u00e9curiser des services internes<\/li>\n\n\n\n<li>comprendre le fonctionnement du chiffrement<\/li>\n<\/ul>\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\/image-8-683x1024.png\" alt=\"\" class=\"wp-image-62\" srcset=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-8-683x1024.png 683w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-8-200x300.png 200w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-8-768x1152.png 768w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-8.png 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Configuration compl\u00e8te<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>#############################################<br># INSTALLATION ET MODULES<br>#############################################<br><br>apt update<br>apt install apache2 openssl -y<br><br>a2enmod ssl<br>a2enmod rewrite<br>systemctl reload apache2<br><br>#############################################<br># CREATION DU CERTIFICAT AUTOSIGNE<br>#############################################<br><br>mkdir -p \/etc\/ssl\/apache2<br><br>openssl req -x509 -nodes -days 365 \\<br>-newkey rsa:2048 \\<br>-keyout \/etc\/ssl\/apache2\/ssl.key \\<br>-out \/etc\/ssl\/apache2\/ssl.crt<br><br>#############################################<br># CREATION DU VIRTUALHOST HTTPS<br>#############################################<br><br>nano \/etc\/apache2\/sites-available\/monsite-ssl.conf<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;VirtualHost *:443&gt;<br><br>    ServerName monsite.local<br>    DocumentRoot \/var\/www\/monsite<br><br>    SSLEngine on<br>    SSLCertificateFile \/etc\/ssl\/apache2\/ssl.crt<br>    SSLCertificateKeyFile \/etc\/ssl\/apache2\/ssl.key<br><br>    &lt;Directory \/var\/www\/monsite&gt;<br>        AllowOverride All<br>        Require all granted<br>    &lt;\/Directory&gt;<br><br>    ErrorLog ${APACHE_LOG_DIR}\/ssl_error.log<br>    CustomLog ${APACHE_LOG_DIR}\/ssl_access.log combined<br><br>&lt;\/VirtualHost&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>#############################################<br># REDIRECTION HTTP VERS HTTPS<br>#############################################<br><br>nano \/etc\/apache2\/sites-available\/monsite.conf<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;VirtualHost *:80&gt;<br><br>    ServerName monsite.local<br><br>    RewriteEngine On<br>    RewriteCond %{HTTPS} off<br>    RewriteRule ^(.*)$ https:\/\/%{HTTP_HOST}%{REQUEST_URI} &#91;R=301,L]<br><br>&lt;\/VirtualHost&gt;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>#############################################<br># ACTIVATION DES SITES<br>#############################################<br><br>a2ensite monsite-ssl.conf<br>a2ensite monsite.conf<br><br>#############################################<br># DESACTIVATION DU SITE PAR DEFAUT<br>#############################################<br><br>a2dissite 000-default.conf<br><br>#############################################<br># VERIFICATION ET RECHARGEMENT<br>#############################################<br><br>apache2ctl configtest<br>systemctl reload apache2<\/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\">Certificat autosign\u00e9<\/h3>\n\n\n\n<p>La commande <code>openssl req<\/code> permet de g\u00e9n\u00e9rer :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>une cl\u00e9 priv\u00e9e (<code>ssl.key<\/code>)<\/li>\n\n\n\n<li>un certificat (<code>ssl.crt<\/code>)<\/li>\n<\/ul>\n\n\n\n<p>Ces fichiers permettent d\u2019activer le chiffrement HTTPS.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">VirtualHost HTTPS<\/h3>\n\n\n\n<p>Le port 443 est utilis\u00e9 pour HTTPS.<br>Les directives suivantes sont obligatoires :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>SSLEngine on<\/code><\/li>\n\n\n\n<li><code>SSLCertificateFile<\/code><\/li>\n\n\n\n<li><code>SSLCertificateKeyFile<\/code><\/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\">Redirection HTTP \u2192 HTTPS<\/h3>\n\n\n\n<p>Permet de forcer tous les utilisateurs \u00e0 utiliser HTTPS.<br>La redirection est permanente (code 301).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Activation des sites<\/h3>\n\n\n\n<p>Apache utilise :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\/sites-available<\/code> \u2192 configuration<\/li>\n\n\n\n<li><code>\/sites-enabled<\/code> \u2192 sites actifs<\/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\">V\u00e9rification<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>apache2ctl configtest<br>systemctl status apache2<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Test<\/h3>\n\n\n\n<p>Dans un navigateur :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>https:&#47;&#47;monsite.local<\/code><\/pre>\n\n\n\n<p>Un avertissement appara\u00eetra :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>normal avec un certificat autosign\u00e9<\/li>\n\n\n\n<li>accepter l\u2019exception pour continuer<\/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\">Points cl\u00e9s<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTPS chiffre les communications<\/li>\n\n\n\n<li>certificat autosign\u00e9 = usage local ou interne<\/li>\n\n\n\n<li>toujours rediriger HTTP vers HTTPS<\/li>\n\n\n\n<li>v\u00e9rifier la configuration avant reload<\/li>\n\n\n\n<li>surveiller les logs en cas d\u2019erreur<\/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\">Limites du certificat autosign\u00e9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>non reconnu par les navigateurs<\/li>\n\n\n\n<li>alerte de s\u00e9curit\u00e9 affich\u00e9e<\/li>\n\n\n\n<li>non adapt\u00e9 \u00e0 la production<\/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\">Suite logique<\/h2>\n\n\n\n<p>Pour aller plus loin :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>certificat Let\u2019s Encrypt<\/li>\n\n\n\n<li>s\u00e9curisation TLS (protocoles, ciphers)<\/li>\n\n\n\n<li>headers de s\u00e9curit\u00e9<\/li>\n\n\n\n<li>reverse proxy HTTPS<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Introduction (BTS CIEL \/ SIO) Dans un contexte BTS CIEL ou SIO, s\u00e9curiser un site web en HTTPS est une \u00e9tape essentielle.Le protocole SSL\/TLS permet de chiffrer les \u00e9changes entre le client et le serveur. Un certificat autosign\u00e9 permet de : Configuration compl\u00e8te Explication d\u00e9taill\u00e9e Certificat autosign\u00e9 La commande openssl req permet de g\u00e9n\u00e9rer : [&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":[5],"tags":[],"class_list":["post-60","post","type-post","status-publish","format-standard","hentry","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 passage en ssl avec certificat autosign\u00e9 apache2 - 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\/systeme\/fiche-passage-en-ssl-avec-certificat-autosigne-apache2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche passage en ssl avec certificat autosign\u00e9 apache2 - Eryann Breizh SecOps\" \/>\n<meta property=\"og:description\" content=\"Introduction (BTS CIEL \/ SIO) Dans un contexte BTS CIEL ou SIO, s\u00e9curiser un site web en HTTPS est une \u00e9tape essentielle.Le protocole SSL\/TLS permet de chiffrer les \u00e9changes entre le client et le serveur. 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