{"id":646,"date":"2024-08-12T08:26:45","date_gmt":"2024-08-12T08:26:45","guid":{"rendered":"https:\/\/azamedia.com\/kb\/?post_type=docs&#038;p=646"},"modified":"2026-09-24T19:30:29","modified_gmt":"2026-09-24T19:30:29","password":"","slug":"como-me-conecto-por-ssh-a-mi-servidor-mediante-putty","status":"publish","type":"docs","link":"https:\/\/azamedia.com\/kb\/docs\/como-me-conecto-por-ssh-a-mi-servidor-mediante-putty\/","title":{"rendered":"C\u00f3mo acceder por SSH a un servidor Linux"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Para conectarse por SSH con PuTTY necesita estos datos del servidor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nombre del servidor o direcci\u00f3n IP<\/strong>.<\/li>\n\n\n\n<li><strong>Puerto SSH<\/strong>, normalmente <code>22<\/code> salvo que se le haya indicado otro.<\/li>\n\n\n\n<li><strong>Usuario<\/strong>.<\/li>\n\n\n\n<li><strong>Contrase\u00f1a o clave SSH<\/strong>, seg\u00fan la configuraci\u00f3n del servidor.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Puede descargar PuTTY desde su sitio oficial: <a href=\"https:\/\/putty.software\/\">putty.software<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Abra PuTTY e indique el servidor<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ejecute PuTTY.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/azamedia.com\/kb\/wp-content\/uploads\/2024\/08\/Captura-3.jpg\" alt=\"Ventana principal de PuTTY\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En <strong>Host Name (or IP address)<\/strong> escriba el hostname o la direcci\u00f3n IP del servidor. En <strong>Port<\/strong> introduzca el puerto SSH y compruebe que <strong>Connection type<\/strong> est\u00e1 configurado como <strong>SSH<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/azamedia.com\/kb\/wp-content\/uploads\/2024\/08\/Captura-4.jpg\" alt=\"Datos de conexi\u00f3n en PuTTY\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pulse <strong>Open<\/strong> para iniciar la conexi\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si quiere conservar estos datos para futuras conexiones, escriba un nombre en <strong>Saved Sessions<\/strong> y pulse <strong>Save<\/strong>. PuTTY guarda los datos de la sesi\u00f3n, pero no la contrase\u00f1a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Compruebe la clave del servidor<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La primera vez que se conecta a un servidor, PuTTY muestra la clave SSH del servidor y su huella digital.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/azamedia.com\/kb\/wp-content\/uploads\/2024\/08\/Captura-5.jpg\" alt=\"Aviso de clave SSH en PuTTY\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Si dispone de la huella digital facilitada por el administrador o proveedor del servidor, comp\u00e1rela antes de aceptar la clave.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si es la primera conexi\u00f3n y la clave corresponde al servidor esperado, puede guardarla con <strong>Accept<\/strong>. PuTTY la recordar\u00e1 para detectar cambios en conexiones posteriores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Si ya se hab\u00eda conectado antes al mismo servidor y PuTTY indica que la clave ha cambiado, no acepte el cambio autom\u00e1ticamente.<\/strong> Puede ser un cambio leg\u00edtimo tras una reinstalaci\u00f3n o sustituci\u00f3n del servidor, pero debe confirmarlo antes de introducir sus credenciales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Introduzca el usuario y la contrase\u00f1a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una vez establecida la conexi\u00f3n, PuTTY solicitar\u00e1 el usuario:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/azamedia.com\/kb\/wp-content\/uploads\/2024\/08\/Captura-6.jpg\" alt=\"Inicio de sesi\u00f3n SSH en PuTTY\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Introduzca el usuario asignado. Si el servidor utiliza autenticaci\u00f3n mediante contrase\u00f1a, PuTTY la solicitar\u00e1 a continuaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mientras escribe la contrase\u00f1a <strong>no ver\u00e1 caracteres ni asteriscos en pantalla<\/strong>. Es el comportamiento normal de SSH. Escriba la contrase\u00f1a y pulse <strong>Enter<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si las credenciales son correctas, acceder\u00e1 a la consola del servidor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Si no puede conectar<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Connection timed out<\/strong>: revise la IP o hostname, el puerto y que su conexi\u00f3n pueda alcanzar el servidor.<\/li>\n\n\n\n<li><strong>Connection refused<\/strong>: el servidor responde, pero el servicio SSH puede no estar escuchando en ese puerto.<\/li>\n\n\n\n<li><strong>Access denied<\/strong>: revise el usuario, la contrase\u00f1a o la clave SSH.<\/li>\n\n\n\n<li><strong>Aviso de clave del servidor cambiada<\/strong>: no lo ignore; confirme primero que el cambio sea leg\u00edtimo.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si el servidor est\u00e1 gestionado por AZAMedia y no conoce alguno de estos datos, abra un ticket de soporte indicando el servidor al que intenta conectarse.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f3mo acceder por SSH a un servidor Linux con PuTTY, qu\u00e9 datos necesita y qu\u00e9 comprobar si la conexi\u00f3n falla.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[25],"doc_tag":[],"class_list":["post-646","docs","type-docs","status-publish","hentry","doc_category-cloud-hosting"],"year_month":"2026-11","word_count":411,"total_views":"1266","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"admin","author_nicename":"rellenar_ar9n7pta","author_url":"https:\/\/azamedia.com\/kb\/author\/rellenar_ar9n7pta\/"},"doc_category_info":[{"term_name":"Cloud Hosting","term_url":"https:\/\/azamedia.com\/kb\/docs-category\/cloud-hosting\/"}],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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