{"id":5725,"date":"2023-06-15T09:23:56","date_gmt":"2023-06-15T09:23:56","guid":{"rendered":"https:\/\/www.webhi.com\/how-to\/?p=5725"},"modified":"2023-06-15T21:17:30","modified_gmt":"2023-06-15T21:17:30","slug":"comment-configurer-un-pare-feu-firewalld-centos-7-redhat-rhel-almalinux","status":"publish","type":"post","link":"https:\/\/www.webhi.com\/how-to\/fr\/comment-configurer-un-pare-feu-firewalld-centos-7-redhat-rhel-almalinux\/","title":{"rendered":"Installer et configurer un pare-feu FirewallD sur CentOS 7 et AlmaLinux"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/06\/firwalld_centos_fr.jpg\" alt=\"installer configurer un pare-feu FirewallD CentOS 7  almalinux\" class=\"wp-image-5737\" srcset=\"https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/06\/firwalld_centos_fr.jpg 1200w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/06\/firwalld_centos_fr-300x169.jpg 300w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/06\/firwalld_centos_fr-1024x576.jpg 1024w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/06\/firwalld_centos_fr-768x432.jpg 768w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2023\/06\/firwalld_centos_fr-150x84.jpg 150w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction\">Introduction<\/h2>\n\n\n\n<p>Dans le paysage num\u00e9rique moderne, assurer la s\u00e9curit\u00e9 de vos syst\u00e8mes et de vos r\u00e9seaux est d&#8217;une importance capitale. L&#8217;un des outils cl\u00e9s pour prot\u00e9ger votre serveur CentOS 7 est <strong>FirewallD<\/strong>, un utilitaire de gestion de pare-feu dynamique. FirewallD fournit une interface facile \u00e0 utiliser pour configurer et g\u00e9rer les pare-feux, vous permettant de contr\u00f4ler le trafic r\u00e9seau entrant et sortant. Dans cet article, nous vous guiderons \u00e0 travers le processus de configuration d&#8217;un pare-feu \u00e0 l&#8217;aide de FirewallD sur CentOS 7, AlmaLinux ou Red Hat (RHEL), ce qui vous permettra de renforcer la s\u00e9curit\u00e9 de votre serveur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-1--installation-de-firewalld\">\u00c9tape 1 : Installation de FirewallD<\/h2>\n\n\n\n<p>Avant de plonger dans la configuration du pare-feu, assurez-vous que FirewallD est install\u00e9 sur votre syst\u00e8me CentOS 7. Par d\u00e9faut, CentOS 7 est livr\u00e9 avec FirewallD, mais s&#8217;il n&#8217;est pas install\u00e9, vous pouvez l&#8217;installer en utilisant la commande suivante :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo yum install firewalld<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-2--d%C3%A9marrage-et-activation-de-firewalld\">\u00c9tape 2 : D\u00e9marrage et activation de FirewallD<\/h2>\n\n\n\n<p>Une fois FirewallD install\u00e9, d\u00e9marrez le service et activez-le au d\u00e9marrage en ex\u00e9cutant les commandes suivantes :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo systemctl start firewalld\n$ sudo systemctl enable firewalld<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-3--comprendre-les-concepts-de-firewalld\">\u00c9tape 3 : Comprendre les concepts de FirewallD<\/h2>\n\n\n\n<p>Avant de proc\u00e9der \u00e0 la configuration du pare-feu, il est essentiel de comprendre quelques concepts cl\u00e9s de FirewallD :<\/p>\n\n\n\n<ul>\n<li>Zones : FirewallD utilise des zones pour d\u00e9finir le niveau de confiance des diff\u00e9rentes connexions r\u00e9seau. En assignant des interfaces \u00e0 des zones, vous pouvez appliquer des r\u00e8gles sp\u00e9cifiques pour contr\u00f4ler l&#8217;acc\u00e8s.<\/li>\n\n\n\n<li>Services : Les services sont des ensembles pr\u00e9d\u00e9finis de r\u00e8gles qui autorisent ou bloquent des types de trafic sp\u00e9cifiques. FirewallD fournit une gamme de services pr\u00e9d\u00e9finis pour des services courants tels que HTTP, HTTPS, SSH, etc.<\/li>\n\n\n\n<li>Ports : Les ports sont associ\u00e9s \u00e0 des services ou applications r\u00e9seau sp\u00e9cifiques. L&#8217;ouverture ou la fermeture de ports permet d&#8217;autoriser ou de bloquer le trafic pour ces services.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-4--configuration-des-zones-du-firewalld\">\u00c9tape 4 : Configuration des zones du FirewallD<\/h2>\n\n\n\n<p>Par d\u00e9faut, FirewallD est livr\u00e9 avec plusieurs zones pr\u00e9d\u00e9finies, notamment &#8220;public&#8221;, &#8220;work&#8221; et &#8220;home&#8221;. Pour afficher les zones disponibles, utilisez la commande suivante :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --get-zones<\/code><\/pre>\n\n\n\n<p>Pour affecter une interface \u00e0 une zone sp\u00e9cifique, utilisez la commande suivante :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --zone=zone_name --add-interface=interface_name --permanent<\/code><\/pre>\n\n\n\n<p>Remplacez&nbsp;<code>zone_name<\/code>&nbsp;par la zone d\u00e9sir\u00e9e et&nbsp;<code>interface_name<\/code>&nbsp;par le nom de l&#8217;interface que vous souhaitez assigner.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-5--ouvrir-les-ports-et-autoriser-les-services\">\u00c9tape 5 : Ouvrir les ports et autoriser les services<\/h2>\n\n\n\n<p>Pour activer des services sp\u00e9cifiques ou ouvrir des ports, vous pouvez utiliser les commandes suivantes :<\/p>\n\n\n\n<p>Pour autoriser un service :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --zone=zone_name --add-service=service_name --permanent<\/code><\/pre>\n\n\n\n<p>Pour ouvrir un port :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --zone=zone_name --add-port=port_number\/tcp --permanent<\/code><\/pre>\n\n\n\n<p>N&#8217;oubliez pas de remplacer&nbsp;<code>zone_name<\/code>,&nbsp;<code>service_name<\/code>, et&nbsp;<code>port_number<\/code>&nbsp;par les valeurs appropri\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-6--application-des-modifications-et-rechargement-de-firewalld\">\u00c9tape 6 : Application des modifications et rechargement de FirewallD<\/h2>\n\n\n\n<p>Apr\u00e8s avoir apport\u00e9 des modifications \u00e0 la configuration du pare-feu, appliquez les changements et rechargez FirewallD \u00e0 l&#8217;aide des commandes suivantes :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --reload\n$ sudo systemctl restart firewalld<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%C3%A9tape-7--v%C3%A9rification-de-la-configuration-du-firewalld\">\u00c9tape 7 : V\u00e9rification de la configuration du FirewallD<\/h2>\n\n\n\n<p>Pour v\u00e9rifier que la configuration du pare-feu est correctement appliqu\u00e9e, vous pouvez utiliser diverses commandes, telles que :<\/p>\n\n\n\n<p>Pour afficher les zones actives :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --get-active-zones<\/code><\/pre>\n\n\n\n<p>Pour lister tous les services autoris\u00e9s dans une zone sp\u00e9cifique :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --zone=zone_name --list-services<\/code><\/pre>\n\n\n\n<p>Pour v\u00e9rifier les ports ouverts dans une zone sp\u00e9cifique :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo firewall-cmd --zone=zone_name --list-ports<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2>\n\n\n\n<p>En suivant les \u00e9tapes d\u00e9crites dans cet article, vous pouvez facilement configurer un pare-feu \u00e0 l&#8217;aide de FirewallD sur CentOS 7. Prendre le temps de configurer et de g\u00e9rer votre pare-feu est une \u00e9tape cruciale pour assurer la s\u00e9curit\u00e9 et l&#8217;int\u00e9grit\u00e9 de votre serveur. FirewallD fournit une interface conviviale pour contr\u00f4ler le trafic r\u00e9seau et vous permet de d\u00e9finir des r\u00e8gles bas\u00e9es sur des zones, des services et des ports. En surveillant activement et en mettant \u00e0 jour la configuration de votre pare-feu, vous pouvez prot\u00e9ger votre serveur CentOS 7 contre les acc\u00e8s non autoris\u00e9s et les menaces potentielles pour la s\u00e9curit\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction Dans le paysage num\u00e9rique moderne, assurer la s\u00e9curit\u00e9 de vos syst\u00e8mes et de vos r\u00e9seaux est d&#8217;une importance capitale. L&#8217;un des outils cl\u00e9s pour prot\u00e9ger votre serveur CentOS 7 est FirewallD, un utilitaire de gestion de pare-feu dynamique. FirewallD fournit une interface facile \u00e0 utiliser pour configurer et g\u00e9rer les pare-feux, vous permettant de ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/www.webhi.com\/how-to\/fr\/comment-configurer-un-pare-feu-firewalld-centos-7-redhat-rhel-almalinux\/\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[67,31],"tags":[],"yoast_head":"\n<title>Installer et configurer un pare-feu FirewallD sur CentOS 7 et AlmaLinux - WebHi Tutorials &amp; Documentations<\/title>\n<meta name=\"description\" content=\"Apprendre comment renforcer la s\u00e9curit\u00e9 de votre serveur CentOS 7 en configurant un pare-feu avec FirewallD. 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