{"id":132,"date":"2026-05-01T23:17:22","date_gmt":"2026-05-01T21:17:22","guid":{"rendered":"https:\/\/eryann.fr\/?p=132"},"modified":"2026-05-02T14:09:00","modified_gmt":"2026-05-02T12:09:00","slug":"fiche-installation-bind9-avec-zone-complete-web-messagerie","status":"publish","type":"post","link":"https:\/\/eryann.fr\/index.php\/linux\/fiche-installation-bind9-avec-zone-complete-web-messagerie\/","title":{"rendered":"Fiche installation bind9 avec zone compl\u00e8te (web + messagerie)"},"content":{"rendered":"\n<p>Pour les \u00e9tudiants en BTS CIEL ou SIO, configurer un serveur DNS complet est une comp\u00e9tence essentielle.<br>Cette fiche pr\u00e9sente l\u2019installation et la configuration de BIND9 sous Debian avec une zone incluant :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>la r\u00e9solution web<\/li>\n\n\n\n<li>la gestion de la messagerie (MX et SPF)<\/li>\n<\/ul>\n\n\n\n<p>Elle met \u00e9galement l\u2019accent sur deux notions fondamentales :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l\u2019utilisation du point final <code>.<\/code> dans les noms DNS<\/li>\n\n\n\n<li>l\u2019utilisation de <code>@<\/code> dans les fichiers de zone<\/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-13-683x1024.png\" alt=\"\" class=\"wp-image-138\" srcset=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-13-683x1024.png 683w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-13-200x300.png 200w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-13-768x1152.png 768w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/image-13.png 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Configuration compl\u00e8te BIND9 (bloc unique)<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># =========================================================<br># INSTALLATION<br># =========================================================<br><br>apt update &amp;&amp; apt install bind9 bind9utils bind9-doc -y<br><br># =========================================================<br># CONFIGURATION GLOBALE<br># =========================================================<br><br>nano \/etc\/bind\/named.conf.options<br><br>options {<br>    directory \"\/var\/cache\/bind\";<br><br>    recursion yes;<br>    allow-query { any; };<br><br>    forwarders {<br>        1.1.1.1;<br>        8.8.8.8;<br>    };<br><br>    dnssec-validation auto;<br><br>    listen-on { any; };<br>};<br><br># =========================================================<br># DECLARATION DE LA ZONE<br># =========================================================<br><br>nano \/etc\/bind\/named.conf.local<br><br>zone \"eryann.fr\" {<br>    type master;<br>    file \"\/etc\/bind\/db.eryann.fr\";<br>};<br><br># =========================================================<br># FICHIER DE ZONE<br># =========================================================<br><br>nano \/etc\/bind\/db.eryann.fr<br><br>$TTL 86400<br><br>@   IN  SOA ns1.eryann.fr. admin.eryann.fr. (<br>        2026050101 ; Serial<br>        3600       ; Refresh<br>        1800       ; Retry<br>        604800     ; Expire<br>        86400 )    ; Negative Cache TTL<br><br>; ================= DNS =================<br>@       IN  NS      ns1.eryann.fr.<br>ns1     IN  A       192.168.1.10<br><br>; ================= WEB =================<br>@       IN  A       192.168.1.20<br>www     IN  CNAME   @<br><br>; ================= MAIL =================<br>mail    IN  A       192.168.1.30<br>@       IN  MX 10   mail.eryann.fr.<br>@       IN  TXT     \"v=spf1 ip4:192.168.1.30 -all\"<br><br>; ================= MACHINES =================<br>srv     IN  A       192.168.1.40<br>pc1     IN  A       192.168.1.50<br><br># =========================================================<br># VERIFICATION<br># =========================================================<br><br>named-checkconf<br>named-checkzone eryann.fr \/etc\/bind\/db.eryann.fr<br><br># =========================================================<br># DEMARRAGE<br># =========================================================<br><br>systemctl restart bind9<br>systemctl enable bind9<br><br># =========================================================<br># TESTS<br># =========================================================<br><br>dig @127.0.0.1 eryann.fr<br>dig @127.0.0.1 www.eryann.fr<br>dig @127.0.0.1 mx eryann.fr<br>dig @127.0.0.1 txt eryann.fr<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explication d\u00e9taill\u00e9e<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Organisation de BIND9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\/etc\/bind\/named.conf.options<\/code> : param\u00e8tres globaux (r\u00e9solution, forwarders, s\u00e9curit\u00e9)<\/li>\n\n\n\n<li><code>\/etc\/bind\/named.conf.local<\/code> : d\u00e9claration des zones DNS<\/li>\n\n\n\n<li><code>\/etc\/bind\/db.eryann.fr<\/code> : fichier de zone contenant les enregistrements<\/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\">Le point final <code>.<\/code> dans les noms DNS<\/h3>\n\n\n\n<p>Exemple :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ns1.eryann.fr.<\/code><\/pre>\n\n\n\n<p>Le point final indique un nom de domaine complet (FQDN).<\/p>\n\n\n\n<p>Sans ce point :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ns1.eryann.fr<\/code><\/pre>\n\n\n\n<p>BIND ajoute automatiquement le nom de la zone :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ns1.eryann.fr.eryann.fr<\/code><\/pre>\n\n\n\n<p>Cela provoque une erreur de r\u00e9solution.<\/p>\n\n\n\n<p>Avec le point :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ns1.eryann.fr.<\/code><\/pre>\n\n\n\n<p>Le nom est absolu et n\u2019est pas modifi\u00e9.<\/p>\n\n\n\n<p>Le point repr\u00e9sente la racine du DNS et doit \u00eatre utilis\u00e9 dans :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SOA<\/li>\n\n\n\n<li>NS<\/li>\n\n\n\n<li>MX<\/li>\n\n\n\n<li>certains CNAME<\/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\">L\u2019utilisation de <code>@<\/code> dans un fichier de zone<\/h3>\n\n\n\n<p>Dans une zone DNS :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@ IN A 192.168.1.20<\/code><\/pre>\n\n\n\n<p>Le symbole <code>@<\/code> repr\u00e9sente le domaine de la zone, ici :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>eryann.fr<\/code><\/pre>\n\n\n\n<p>Exemple :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@       IN  A       192.168.1.20<br>www     IN  CNAME   @<\/code><\/pre>\n\n\n\n<p>Correspond \u00e0 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>eryann.fr \u2192 192.168.1.20<\/li>\n\n\n\n<li><a href=\"http:\/\/www.eryann.fr\">www.eryann.fr<\/a> \u2192 eryann.fr<\/li>\n<\/ul>\n\n\n\n<p>L\u2019utilisation de <code>@<\/code> permet d\u2019\u00e9viter de r\u00e9p\u00e9ter le nom de domaine et rend le fichier plus lisible.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Configuration de la messagerie<\/h3>\n\n\n\n<p>Enregistrement MX :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@ IN MX 10 mail.eryann.fr.<\/code><\/pre>\n\n\n\n<p>Indique que les emails du domaine sont g\u00e9r\u00e9s par <code>mail.eryann.fr<\/code>.<\/p>\n\n\n\n<p>Enregistrement SPF :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@ IN TXT \"v=spf1 ip4:192.168.1.30 -all\"<\/code><\/pre>\n\n\n\n<p>Autorise uniquement ce serveur \u00e0 envoyer des emails pour le domaine.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Bonnes pratiques<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>incr\u00e9menter le num\u00e9ro de s\u00e9rie \u00e0 chaque modification<\/li>\n\n\n\n<li>toujours v\u00e9rifier la configuration avec les outils fournis<\/li>\n\n\n\n<li>utiliser des noms coh\u00e9rents et explicites<\/li>\n\n\n\n<li>limiter les acc\u00e8s en production (<code>allow-query<\/code>)<\/li>\n\n\n\n<li>pr\u00e9voir un serveur DNS secondaire<\/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\u00e9capitulatif des fichiers importants<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Fichier<\/th><th>R\u00f4le<\/th><\/tr><\/thead><tbody><tr><td>\/etc\/bind\/named.conf<\/td><td>fichier principal incluant les autres configurations<\/td><\/tr><tr><td>\/etc\/bind\/named.conf.options<\/td><td>param\u00e8tres globaux du serveur DNS<\/td><\/tr><tr><td>\/etc\/bind\/named.conf.local<\/td><td>d\u00e9claration des zones DNS locales<\/td><\/tr><tr><td>\/etc\/bind\/db.eryann.fr<\/td><td>fichier de zone contenant les enregistrements<\/td><\/tr><tr><td>\/var\/log\/syslog<\/td><td>journal des \u00e9v\u00e9nements du service bind<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p>Cette configuration permet de d\u00e9ployer un serveur DNS complet avec gestion du web et de la messagerie.<br>La compr\u00e9hension du point final et du symbole <code>@<\/code> est indispensable pour \u00e9viter les erreurs de configuration et ma\u00eetriser le fonctionnement du DNS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour les \u00e9tudiants en BTS CIEL ou SIO, configurer un serveur DNS complet est une comp\u00e9tence essentielle.Cette fiche pr\u00e9sente l\u2019installation et la configuration de BIND9 sous Debian avec une zone incluant : Elle met \u00e9galement l\u2019accent sur deux notions fondamentales : Configuration compl\u00e8te BIND9 (bloc unique) Explication d\u00e9taill\u00e9e Organisation de BIND9 Le point final . [&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],"tags":[],"class_list":["post-132","post","type-post","status-publish","format-standard","hentry","category-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fiche installation bind9 avec zone compl\u00e8te (web + messagerie) - 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\/linux\/fiche-installation-bind9-avec-zone-complete-web-messagerie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche installation bind9 avec zone compl\u00e8te (web + messagerie) - Eryann Breizh SecOps\" \/>\n<meta property=\"og:description\" content=\"Pour les \u00e9tudiants en BTS CIEL ou SIO, configurer un serveur DNS complet est une comp\u00e9tence essentielle.Cette fiche pr\u00e9sente l\u2019installation et la configuration de BIND9 sous Debian avec une zone incluant : Elle met \u00e9galement l\u2019accent sur deux notions fondamentales : Configuration compl\u00e8te BIND9 (bloc unique) Explication d\u00e9taill\u00e9e Organisation de BIND9 Le point final . 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