{"id":170,"date":"2026-03-09T11:14:00","date_gmt":"2026-03-09T10:14:00","guid":{"rendered":"https:\/\/blumhost.net\/blog\/?p=170"},"modified":"2026-03-25T18:33:39","modified_gmt":"2026-03-25T17:33:39","slug":"cambiar-el-puerto-ssh-en-linux","status":"publish","type":"post","link":"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/","title":{"rendered":"Cambiar el puerto SSH en Linux: gu\u00eda completa para mejorar la seguridad del servidor"},"content":{"rendered":"\n<p>El <strong>protocolo SSH (Secure Shell)<\/strong> es uno de los m\u00e9todos m\u00e1s utilizados para administrar servidores Linux de forma remota. Por defecto, SSH utiliza el <strong>puerto 22<\/strong>, lo que lo convierte en uno de los principales objetivos de <strong>ataques automatizados y bots de fuerza bruta<\/strong> que escanean internet constantemente.<\/p>\n\n\n\n<p>Una de las medidas b\u00e1sicas para mejorar la seguridad de un servidor es <strong>cambiar el puerto SSH por defecto<\/strong> a otro distinto. Aunque no sustituye a otras medidas de seguridad, s\u00ed reduce considerablemente el n\u00famero de intentos de acceso no autorizados.<\/p>\n\n\n\n<p>En esta gu\u00eda t\u00e9cnica aprender\u00e1s <strong>c\u00f3mo cambiar el puerto SSH en Linux paso a paso<\/strong>, c\u00f3mo comprobar que funciona correctamente y qu\u00e9 ajustes adicionales debes realizar en el firewall.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Tabla de Contenidos<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#%C2%BFPor_que_cambiar_el_puerto_SSH\" >\u00bfPor qu\u00e9 cambiar el puerto SSH?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Paso_1_Editar_la_configuracion_de_SSH\" >Paso 1: Editar la configuraci\u00f3n de SSH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Paso_2_Abrir_el_nuevo_puerto_en_el_firewall\" >Paso 2: Abrir el nuevo puerto en el firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Si_usas_UFW_Ubuntu_Debian\" >Si usas UFW (Ubuntu \/ Debian)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Si_usas_FirewallD_CentOS_AlmaLinux_Rocky\" >Si usas FirewallD (CentOS \/ AlmaLinux \/ Rocky)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Si_usas_iptables\" >Si usas iptables<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Paso_3_Reiniciar_el_servicio_SSH\" >Paso 3: Reiniciar el servicio SSH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Paso_4_Probar_la_conexion\" >Paso 4: Probar la conexi\u00f3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Paso_5_Desactivar_el_puerto_22_opcional_pero_recomendado\" >Paso 5: Desactivar el puerto 22 (opcional pero recomendado)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Recomendaciones_adicionales_de_seguridad_SSH\" >Recomendaciones adicionales de seguridad SSH<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#1_Desactivar_acceso_root\" >1. Desactivar acceso root<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#2_Usar_autenticacion_por_clave_SSH\" >2. Usar autenticaci\u00f3n por clave SSH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#3_Instalar_Fail2Ban\" >3. Instalar Fail2Ban<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#4_Limitar_intentos_de_login\" >4. Limitar intentos de login<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Problemas_comunes_al_cambiar_el_puerto_SSH\" >Problemas comunes al cambiar el puerto SSH<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#No_puedo_conectarme_despues_del_cambio\" >No puedo conectarme despu\u00e9s del cambio<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blumhost.net\/blog\/cambiar-el-puerto-ssh-en-linux\/#Conclusion\" >Conclusi\u00f3n<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFPor_que_cambiar_el_puerto_SSH\"><\/span>\u00bfPor qu\u00e9 cambiar el puerto SSH?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cambiar el puerto SSH no elimina completamente los ataques, pero <strong>reduce dr\u00e1sticamente el ruido y los intentos autom\u00e1ticos de acceso<\/strong>.<\/p>\n\n\n\n<p>Principales ventajas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduce ataques de <strong>fuerza bruta automatizados<\/strong><\/li>\n\n\n\n<li>Disminuye el volumen de logs de intentos fallidos<\/li>\n\n\n\n<li>A\u00f1ade una <strong>capa adicional de seguridad<\/strong><\/li>\n\n\n\n<li>Hace tu servidor menos visible para bots que escanean el puerto 22<\/li>\n<\/ul>\n\n\n\n<p>Esto es especialmente importante en <strong>VPS o servidores dedicados expuestos directamente a internet<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paso_1_Editar_la_configuracion_de_SSH\"><\/span>Paso 1: Editar la configuraci\u00f3n de SSH<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>El archivo de configuraci\u00f3n del servidor SSH se encuentra en:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\/etc\/ssh\/sshd_config\n<\/strong>\n<\/code><\/pre>\n\n\n\n<p>\u00c1brelo con privilegios de administrador:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>sudo nano \/etc\/ssh\/sshd_config<\/strong><\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"910\" height=\"596\" src=\"https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_2.png\" alt=\"Configuraci\u00f3n del archivo SSH\" class=\"wp-image-171\" srcset=\"https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_2.png 910w, https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_2-300x196.png 300w, https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_2-768x503.png 768w\" sizes=\"(max-width: 910px) 100vw, 910px\" \/><\/figure>\n\n\n\n<p>Busca la l\u00ednea:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>#Port 22<\/strong><\/code><\/pre>\n\n\n\n<p>Descom\u00e9ntala y cambia el puerto por otro, por ejemplo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>Port 2222<\/strong><\/code><\/pre>\n\n\n\n<p>Puedes elegir pr\u00e1cticamente cualquier puerto <strong>entre 1024 y 65535<\/strong>, siempre que no est\u00e9 siendo utilizado por otro servicio.<\/p>\n\n\n\n<p>Ejemplo recomendado:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>Port 2222<\/strong><\/code><\/pre>\n\n\n\n<p>Guarda el archivo. Quedar\u00eda tal que as\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"906\" height=\"599\" src=\"https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_3.png\" alt=\"Configuraci\u00f3n puerto SSH VPS BlumHost\" class=\"wp-image-172\" srcset=\"https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_3.png 906w, https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_3-300x198.png 300w, https:\/\/blumhost.net\/blog\/wp-content\/uploads\/2026\/03\/Screenshot_3-768x508.png 768w\" sizes=\"(max-width: 906px) 100vw, 906px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paso_2_Abrir_el_nuevo_puerto_en_el_firewall\"><\/span>Paso 2: Abrir el nuevo puerto en el firewall<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Antes de reiniciar SSH, debes permitir el nuevo puerto en el firewall o <strong>perder\u00e1s el acceso al servidor<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Si_usas_UFW_Ubuntu_Debian\"><\/span>Si usas UFW (Ubuntu \/ Debian)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo ufw allow 2222\/tcp<\/strong><\/pre>\n\n\n\n<p>Opcionalmente puedes cerrar el puerto 22 despu\u00e9s:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo ufw delete allow 22\/tcp<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Si_usas_FirewallD_CentOS_AlmaLinux_Rocky\"><\/span>Si usas FirewallD (CentOS \/ AlmaLinux \/ Rocky)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo firewall-cmd --permanent --add-port=2222\/tcp<br>sudo firewall-cmd --reload<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Si_usas_iptables\"><\/span>Si usas iptables<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo iptables -A INPUT -p tcp --dport 2222 -j ACCEPT<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paso_3_Reiniciar_el_servicio_SSH\"><\/span>Paso 3: Reiniciar el servicio SSH<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ahora reinicia el servicio para aplicar los cambios.<\/p>\n\n\n\n<p>En sistemas modernos:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo systemctl restart ssh.service<\/strong><\/pre>\n\n\n\n<p>o<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo systemctl restart sshd<\/strong><br><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paso_4_Probar_la_conexion\"><\/span>Paso 4: Probar la conexi\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Antes de cerrar tu sesi\u00f3n actual, <strong>abre una nueva terminal y prueba el acceso<\/strong>.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>ssh usuario@IP -p 2222<\/strong><\/pre>\n\n\n\n<p>Ejemplo:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>ssh root@192.168.1.10 -p 2222<\/strong><\/pre>\n\n\n\n<p>Si puedes acceder correctamente, el cambio se ha aplicado con \u00e9xito.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paso_5_Desactivar_el_puerto_22_opcional_pero_recomendado\"><\/span>Paso 5: Desactivar el puerto 22 (opcional pero recomendado)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Una vez confirmado que todo funciona, puedes eliminar la regla del puerto 22 del firewall para <strong>evitar accesos por el puerto por defecto<\/strong>.<\/p>\n\n\n\n<p>Ejemplo en UFW:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo ufw delete allow 22\/tcp<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Recomendaciones_adicionales_de_seguridad_SSH\"><\/span>Recomendaciones adicionales de seguridad SSH<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cambiar el puerto es \u00fatil, pero <strong>no debe ser la \u00fanica medida de seguridad<\/strong>. Se recomienda combinarlo con otras configuraciones:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Desactivar_acceso_root\"><\/span>1. Desactivar acceso root<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>En el archivo <code>sshd_config<\/code>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>PermitRootLogin no<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Usar_autenticacion_por_clave_SSH\"><\/span>2. Usar autenticaci\u00f3n por clave SSH<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Generar clave en tu equipo:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>ssh-keygen<\/strong><\/pre>\n\n\n\n<p>Copiar al servidor:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>ssh-copy-id usuario@IP<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Instalar_Fail2Ban\"><\/span>3. Instalar Fail2Ban<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Fail2Ban bloquea autom\u00e1ticamente IPs que realizan m\u00faltiples intentos fallidos de acceso.<\/p>\n\n\n\n<p>Instalaci\u00f3n:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>sudo apt install fail2ban<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Limitar_intentos_de_login\"><\/span>4. Limitar intentos de login<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>En <code>sshd_config<\/code>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>MaxAuthTries 3<\/strong><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problemas_comunes_al_cambiar_el_puerto_SSH\"><\/span>Problemas comunes al cambiar el puerto SSH<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"No_puedo_conectarme_despues_del_cambio\"><\/span>No puedo conectarme despu\u00e9s del cambio<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Normalmente ocurre por:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>El <strong>firewall bloquea el nuevo puerto<\/strong><\/li>\n\n\n\n<li>No se reinici\u00f3 correctamente el servicio SSH<\/li>\n\n\n\n<li>Se cerr\u00f3 la sesi\u00f3n antes de probar la nueva conexi\u00f3n<\/li>\n<\/ul>\n\n\n\n<p>Por eso siempre se recomienda <strong>probar en otra terminal antes de cerrar la sesi\u00f3n actual<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusi\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cambiar el puerto SSH es una <strong>medida sencilla pero efectiva<\/strong> para mejorar la seguridad de un servidor Linux. Aunque no sustituye a configuraciones avanzadas, ayuda a reducir ataques automatizados y mantener tu servidor m\u00e1s protegido.<\/p>\n\n\n\n<p>Combinado con <strong>claves SSH, Fail2Ban y una correcta configuraci\u00f3n del firewall<\/strong>, puedes aumentar significativamente la seguridad de cualquier VPS o servidor dedicado.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\ud83d\udca1 <strong>En BlumHost ofrecemos <a href=\"https:\/\/blumhost.net\/vps\" target=\"_blank\" rel=\"noreferrer noopener\">VPS Linux optimizados<\/a> para m\u00e1xima seguridad y rendimiento<\/strong>, con soporte t\u00e9cnico especializado para ayudarte a proteger tu infraestructura.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El protocolo SSH (Secure Shell) es uno de los m\u00e9todos m\u00e1s utilizados para administrar servidores Linux de forma remota. Por defecto, SSH utiliza el puerto 22, lo que lo convierte en uno de los principales objetivos de ataques automatizados y&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[69,54],"class_list":["post-170","post","type-post","status-publish","format-standard","hentry","category-tutoriales","tag-linux","tag-vpshosting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cambiar el puerto SSH en Linux: gu\u00eda completa para mejorar la seguridad del servidor - Blog de BlumHost<\/title>\n<meta name=\"description\" content=\"Aprende c\u00f3mo cambiar el puerto SSH en Linux paso a paso para mejorar la seguridad de tu servidor. 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