{"id":115557,"date":"2025-12-09T10:49:48","date_gmt":"2025-12-09T10:49:48","guid":{"rendered":"https:\/\/www.bluehost.com\/blog\/que-es-un-error-401-causas-mas-comunes-y-como-solucionarlo\/"},"modified":"2025-12-09T10:50:09","modified_gmt":"2025-12-09T10:50:09","slug":"que-es-un-error-401-causas-mas-comunes-y-como-solucionarlo","status":"publish","type":"post","link":"https:\/\/www.bluehost.com\/blog\/es\/que-es-un-error-401-causas-mas-comunes-y-como-solucionarlo\/","title":{"rendered":"\u00bfQu\u00e9 es un error 401? Causas m\u00e1s comunes y c\u00f3mo solucionarlo"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\" id=\"h-key-highlights\">Key highlights<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>Understand what a 401 error means and how it impacts access to your WordPress site.\u00a0<\/li>\n\n\n\n<li>Learn the most common causes of 401 errors, from expired cookies to plugin conflicts.\u00a0<\/li>\n\n\n\n<li>Explore step-by-step solutions to troubleshoot and fix the error on your own.\u00a0<\/li>\n\n\n\n<li>Know when it\u2019s time to contact your hosting provider for expert support.\u00a0<\/li>\n\n\n\n<li>Uncover preventative tips to reduce the chances of future 401 errors.\u00a0<\/li>\n<\/ul>\n\n<p>Encontrar un error 401 en tu sitio web de WordPress puede ser bastante frustrante. Volver a cargar la p\u00e1gina puede ayudar, pero no siempre.   <\/p>\n\n<p>Entonces, \u00bfqu\u00e9 es un c\u00f3digo de respuesta 401 del Protocolo de transferencia de hipertexto (HTTP) y qu\u00e9 significa?  <\/p>\n\n<p>Un problema del navegador puede causar este error, pero en algunos casos raros, tambi\u00e9n podr\u00eda ser un problema del lado del servidor.  <\/p>\n\n<p>La buena noticia es que los c\u00f3digos de error 401 suelen ser f\u00e1ciles de solucionar. De hecho, una vez que identifique la fuente del error, es posible que pueda solucionarlo usted mismo. Tambi\u00e9n puedes ponerte en contacto con un experto en WordPress o <a href=\"https:\/\/www.bluehost.com\/contact\">con el equipo de atenci\u00f3n al cliente de tu anfitri\u00f3n<\/a> para resolver el problema.    <\/p>\n\n<p>Keep reading to learn the causes of 401 errors and how to troubleshoot and prevent them.\u00a0\u00a0Many users ask what is 401 error code because it often appears without much context, leaving them unsure if the problem is on their end or the server\u2019s side.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-401-error\">\u00bfQu\u00e9 es un error 401?<\/h2>\n\n<p>Error 401 is an HTTP status code that indicates your client (or browser) doesn&#8217;t have the required permissions to access a particular online resource or webpage due to invalid authentication. This standard response code may also show when your browser fails to give valid credentials when attempting to access a requested resource.<\/p>\n\n<p>Este error suele ser el resultado directo de un problema en el lado del cliente. Eso significa que hubo una mala solicitud de su navegador al servidor sin la autenticaci\u00f3n adecuada.   <\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1598\" height=\"1015\" src=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page.jpg\" alt=\"Ejemplo de p&#xE1;gina de error 401.\" class=\"wp-image-45241\" srcset=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page.jpg 1598w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-300x191.jpg 300w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-1024x650.jpg 1024w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-768x488.jpg 768w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-1536x976.jpg 1536w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-24x15.jpg 24w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-36x23.jpg 36w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Sample-Error-401-page-48x30.jpg 48w\" sizes=\"100vw\" \/><\/figure>\n\n<p>Cuando su navegador arroja este error, puede ser el resultado de intentar acceder a un sitio web utilizando una URL no v\u00e1lida, un nombre de usuario o contrase\u00f1a incorrectos o una cach\u00e9 del navegador caducada.<\/p>\n\n<p>La mayor\u00eda de las veces, la correcci\u00f3n de errores del lado del cliente puede resolver el problema r\u00e1pidamente. En otros casos, el problema puede estar en el lado del servidor, donde el servidor web bloquea los intentos v\u00e1lidos del cliente para acceder a un recurso solicitado.   <\/p>\n\n<p>Esto puede ser el resultado de cambios deliberados que un usuario realiz\u00f3 en el servidor o de un error accidental en el procedimiento de autenticaci\u00f3n.<\/p>\n\n<p>Cuando se enfrente a este problema, su navegador mostrar\u00e1 un mensaje de error. Diferentes plataformas dan diferentes t\u00edtulos al error 401. Estos son algunos ejemplos de lo que puede ver:  <\/p>\n\n<ul class=\"wp-block-list\">\n<li>401 authorization required<\/li>\n\n\n\n<li>401 unauthorized error<\/li>\n\n\n\n<li>Error 401 unauthorized<\/li>\n\n\n\n<li>HTTP error 401 \u2013 unauthorized<\/li>\n\n\n\n<li>HTTP 401<\/li>\n\n\n\n<li>Access denied<\/li>\n<\/ul>\n\n<p>The error code is the most crucial factor here, not the text variations around it. No matter what your browser displays, the error code tells you the problem you&#8217;re facing. It&#8217;s also the key to your solution.\u00a0<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-causes-of-401-errors-on-a-wordpress-website-nbsp\">What are the causes of 401 errors on a WordPress website?\u00a0<\/h2>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes.png\" alt=\"Las causas comunes de los errores 401 en los sitios web de WordPress.\" class=\"wp-image-45240\" srcset=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes.png 1920w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-300x169.png 300w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-1024x576.png 1024w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-768x432.png 768w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-1536x864.png 1536w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-24x14.png 24w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-36x20.png 36w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/401-error-common-causes-48x27.png 48w\" sizes=\"100vw\" \/><\/figure>\n\n<p>Antes de explorar las posibles soluciones, profundicemos en por qu\u00e9 tu sitio web de WordPress puede estar arrojando el c\u00f3digo de error 401.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-1-incorrect-urls\">1. Incorrect URLs<\/h3>\n\n<p>Todo el mundo es culpable de alg\u00fan que otro error tipogr\u00e1fico. Escribir la URL incorrecta (Localizador Uniforme de Recursos) en la barra de direcciones puede causar problemas, desde desv\u00edos hasta errores 401.   <\/p>\n\n<p>\u00bfQu\u00e9 pasa si la URL es correcta? Es posible que la p\u00e1gina se haya movido o eliminado y est\u00e9s intentando acceder a una p\u00e1gina obsoleta.   <\/p>\n\n<p>El servidor puede rechazar su solicitud en ambos casos porque el cliente intenta acceder al recurso que desea a trav\u00e9s de una ruta no autorizada o no v\u00e1lida.  <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-2-expired-cache-and-cookies\">2. Expired cache and cookies<\/h3>\n\n<p>Su navegador utiliza <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Cookies\" target=\"_blank\" rel=\"noreferrer noopener\">cookies HTTP<\/a> para almacenar datos del navegador en su memoria, y las cookies \u00abrecuerdan\u00bb su dispositivo y navegador. Las cookies y la <a href=\"https:\/\/www.bigcommerce.com\/ecommerce-answers\/what-browser-cache-and-why-it-important\/\" target=\"_blank\" rel=\"noreferrer noopener\">cach\u00e9 del navegador<\/a> son esenciales para una experiencia de navegaci\u00f3n r\u00e1pida.   <\/p>\n\n<p>Las cookies modernas tambi\u00e9n almacenan su estado de autenticaci\u00f3n. De esa manera, ya no tiene que iniciar sesi\u00f3n cada vez para acceder a un sitio web o redes sociales. Las cookies del navegador mantienen activa su sesi\u00f3n en l\u00ednea al tiempo que garantizan que el servidor le env\u00ede informaci\u00f3n basada en su nivel de autorizaci\u00f3n.  <\/p>\n\n<p>Si sus cookies caducan o su cach\u00e9 est\u00e1 da\u00f1ada o borrada, es posible que reciba un error 401 no autorizado debido a una autenticaci\u00f3n incorrecta.  <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3-firewall-and-plugin-configurations\">3. Firewall and plugin configurations<\/h3>\n\n<p>Si acabas de instalar un nuevo plugin o <a href=\"https:\/\/www.bluehost.com\/es-es\/blog\/como-usar-un-firewall-para-aumentar-la-seguridad-de-su-sitio-web-contra-ataques\/\">cortafuegos en tu sitio de WordPress<\/a>, los intentos de acceder a ciertas p\u00e1ginas pueden arrojar errores 401.  <\/p>\n\n<p>Por ejemplo, algunos complementos de seguridad pueden tomar el control completo de su sitio web y restringir el acceso a ciertas p\u00e1ginas, incluso cuando tiene acceso de administrador.  <\/p>\n\n<p>A medida que el complemento ejecuta diagn\u00f3sticos en su sitio web para optimizarlo, cualquier intento de inicio de sesi\u00f3n puede percibirse como actividad maliciosa. Eso puede hacer que su sitio web muestre una p\u00e1gina de error 401. <\/p>\n\n<p>Adem\u00e1s, la mala configuraci\u00f3n de <a href=\"https:\/\/www.bluehost.com\/es-es\/blog\/guia-para-principiantes-de-los-plugins-de-wordpress-como-elegir-y-utilizar-los-plugins-adecuados-2\/\">los plugins de WordPress<\/a> puede causar el error 401, especialmente si es la primera vez que manejas un nuevo plugin.  <\/p>\n\n<p>Algunos plugins de seguridad de WordPress pueden bloquear inadvertidamente a los usuarios autorizados, causando errores 401. Para evitar estos problemas, considere usar <a href=\"https:\/\/www.bluehost.com\/wordpress\/solutions\">la soluci\u00f3n Bluehost WordPress<\/a>, que proporciona configuraciones optimizadas para la administraci\u00f3n de seguridad y acceso. Si est\u00e1 configurando un nuevo sitio web, la <a href=\"https:\/\/www.bluehost.com\/es-es\/blog\/construir-un-sitio-web-de-wordpress-con-ia-la-guia-definitiva-de-la-herramienta-de-creacion-de-sitios-con-ia-de-bluehost\/\">herramienta de creaci\u00f3n de sitios Bluehost AI<\/a> ayuda a crear un sitio de WordPress con las mejores pr\u00e1cticas de seguridad, reduciendo los problemas de acceso desde el principio.    <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-4-protected-urls\">4. Protected URLs<\/h3>\n\n<p>El acceso a URL espec\u00edficas puede estar estrictamente controlado o administrado a nivel de servidor. Solo el personal autorizado puede acceder a estos recursos restringidos. En tal caso, intentar acceder a dicha URL desde un navegador web no autorizado puede arrojar un error 401.  <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-5-htaccess-file-restrictions\">5. .htaccess file restrictions<\/h3>\n\n<p>Los archivos .htaccess permiten cambiar la configuraci\u00f3n de un directorio dentro de un sitio web. Supongamos que un archivo .htaccess viene con directivas de protecci\u00f3n con contrase\u00f1a. A menos que tenga la contrase\u00f1a, puede encontrar un error de acceso no autorizado 401.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-troubleshoot-401-errors-nbsp\">How to troubleshoot 401 errors?\u00a0<\/h2>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors.png\" alt=\"Sigue estos pasos para solucionar el error 401.\" class=\"wp-image-45242\" srcset=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors.png 1920w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-300x169.png 300w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-1024x576.png 1024w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-768x432.png 768w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-1536x864.png 1536w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-24x14.png 24w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-36x20.png 36w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Troubleshooting-401-errors-48x27.png 48w\" sizes=\"100vw\" \/><\/figure>\n\n<p>Como hemos comentado anteriormente, un error 401 suele ser un problema del lado del cliente y no del lado del servidor. Por esa raz\u00f3n, a menudo es f\u00e1cil de arreglar.   <\/p>\n\n<p>Aqu\u00ed hay varias soluciones que puede intentar:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th><strong>Emitir<\/strong><\/th><th><strong>Posible causa<\/strong><\/th><th><strong>Arreglar<\/strong><\/th><\/tr><tr><td>Se produce un error de inicio de sesi\u00f3n a pesar de las credenciales correctas<\/td><td>Sesi\u00f3n caducada, problema de cach\u00e9<\/td><td>Borrar cookies, reiniciar sesi\u00f3n<\/td><\/tr><tr><td>401 despu\u00e9s de la instalaci\u00f3n del complemento<\/td><td>Plugin de seguridad que bloquea el acceso<\/td><td>Desactivar temporalmente los plugins de seguridad<\/td><\/tr><tr><td>Error en la integraci\u00f3n de la API<\/td><td>Faltan encabezados de autenticaci\u00f3n<\/td><td>Verificaci\u00f3n de la clave de API y los permisos<\/td><\/tr><tr><td>La p\u00e1gina del sitio web muestra 401 aleatoriamente<\/td><td>Cach\u00e9 de DNS obsoleta<\/td><td>Vaciar DNS usando la l\u00ednea de comandos<\/td><\/tr><tr><td>Acceso a la p\u00e1gina denegado a pesar del inicio de sesi\u00f3n del administrador<\/td><td>Restricciones de .htaccess<\/td><td>Revisar y actualizar el archivo .htaccess<\/td><\/tr><tr><td>Error 401 despu\u00e9s de cambiar de tema<\/td><td>Configuraci\u00f3n de seguridad del tema que bloquea el acceso<\/td><td>Volver al tema anterior o comprobar la configuraci\u00f3n del tema<\/td><\/tr><tr><td>M\u00faltiples intentos de inicio de sesi\u00f3n fallidos que conducen a 401<\/td><td>Plugin de seguridad bloqueado acceso de administrador<\/td><td>Restablecer el inicio de sesi\u00f3n a trav\u00e9s de phpMyAdmin<\/td><\/tr><tr><td>Accessing a website with an incorrect username or password<\/td><td>Lacks valid authentication credentials<\/td><td>Check your login credentials<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h3 class=\"wp-block-heading\" id=\"h-1-verify-the-url\">1. Verify the URL<\/h3>\n\n<p>Una de las soluciones m\u00e1s sencillas para el error 401 es comprobar si la URL utilizada en la barra de direcciones de su navegador es v\u00e1lida o correcta. Para proteger un sitio web, los servidores rechazan los intentos de acceso desde URL no v\u00e1lidas o incorrectas, a menudo debido a la introducci\u00f3n de un nombre de usuario o contrase\u00f1a incorrectos.   <\/p>\n\n<p>Primero, aseg\u00farese de que la URL est\u00e9 escrita correctamente. Comprueba si la URL de destino tiene caracteres especiales, guiones y la extensi\u00f3n correcta. Si todo sale bien, ahora deber\u00eda acceder al sitio web sin problemas.    <\/p>\n\n<p>Si sigues enfrent\u00e1ndote al error 401, comprueba si la direcci\u00f3n de la p\u00e1gina ha cambiado desde tu \u00faltimo acceso. Es posible que se haya movido o eliminado. Regrese a la p\u00e1gina de inicio y busque la p\u00e1gina a la que desea acceder. A menudo, encontrar\u00e1s el enlace correcto de esta manera.     <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-2-check-your-login-credentials\">2. Check your login credentials<\/h3>\n\n<p>Otra cosa clave que debe verificar son sus datos de inicio de sesi\u00f3n. Intentar acceder a un sitio web con un nombre de usuario o contrase\u00f1a incorrectos puede hacer que una p\u00e1gina muestre este error. Aseg\u00farese de tener credenciales de autenticaci\u00f3n v\u00e1lidas y de que el nombre de usuario y la contrase\u00f1a se utilicen correctamente.  <\/p>\n\n<p>Si olvid\u00f3 la contrase\u00f1a, puede intentar restablecerla o recuperarla.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3-clear-and-reload-the-browser-cache-and-cookies\">3. Clear and reload the browser cache and cookies<\/h3>\n\n<p>Como se mencion\u00f3 anteriormente, la mayor\u00eda de los navegadores modernos almacenan su estado de autenticaci\u00f3n en cookies y en la cach\u00e9 del sitio web. De esa manera, siempre puedes continuar desde donde lo dejaste. <\/p>\n\n<p>La cach\u00e9 tambi\u00e9n ayuda a acelerar la navegaci\u00f3n, ya que la mayor\u00eda de los archivos de p\u00e1gina se almacenan temporalmente en la memoria de su dispositivo para mantener activos sus inicios de sesi\u00f3n.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1915\" height=\"995\" src=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies.png\" alt=\"Borrar la cach&#xE9; y las cookies en el navegador Mozilla Firefox.\" class=\"wp-image-45243\" srcset=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies.png 1915w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-300x156.png 300w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-1024x532.png 1024w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-768x399.png 768w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-1536x798.png 1536w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-24x12.png 24w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-36x19.png 36w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/Clearing-the-cache-and-cookies-48x25.png 48w\" sizes=\"100vw\" \/><\/figure>\n\n<p>Al intentar acceder a una aplicaci\u00f3n web con cookies caducadas, a menudo se produce el error 401.  <\/p>\n\n<p>Una soluci\u00f3n f\u00e1cil para esto es borrar todas las cookies del sitio web problem\u00e1tico y actualizar la p\u00e1gina. Tambi\u00e9n puede borrar los datos de navegaci\u00f3n y volver a cargar la p\u00e1gina. Esto puede significar iniciar sesi\u00f3n en una nueva sesi\u00f3n.    <\/p>\n\n<p>Tambi\u00e9n puede <a href=\"https:\/\/www.bluehost.com\/es-es\/blog\/como-borrar-la-cache-de-wordpress-y-por-que-deberias-hacerlo\/\">borrar la cach\u00e9<\/a>, que elimina todos los archivos de cach\u00e9 y deja espacio para nuevos archivos e inicios de sesi\u00f3n. Eso a menudo elimina cualquier error de acceso no autorizado 401.   <\/p>\n\n<p>El proceso para borrar las cookies difiere seg\u00fan su navegador.  <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-4-check-for-dns-changes\">4. Check for DNS changes<\/h3>\n\n<p>Aunque son m\u00e1s raros que otros problemas, los cambios en su servidor de nombres de dominio (DNS) pueden causar errores 401. <a href=\"https:\/\/www.bluehost.com\/es-es\/blog\/que-es-el-dns-sistema-de-nombres-de-dominio-y-como-funciona\/\">Los registros DNS<\/a> suelen estar en su dispositivo para ayudarlo a hacer coincidir las URL con sus direcciones IP.  <\/p>\n\n<p>Si su cach\u00e9 de DNS est\u00e1 desactualizada o caducada, es posible que deba vaciarla para eliminar las URL y direcciones IP incorrectas.<\/p>\n\n<p>Puede vaciar la cach\u00e9 de DNS mediante la l\u00ednea de comandos y obligar a su dispositivo a actualizar y autenticar las direcciones URL.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"979\" height=\"218\" src=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache.jpg\" alt=\"Vaciar la cach&#xE9; de DNS en Windows.\" class=\"wp-image-45238\" srcset=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache.jpg 979w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache-300x67.jpg 300w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache-768x171.jpg 768w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache-24x5.jpg 24w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache-36x8.jpg 36w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/flush-DNS-cache-48x11.jpg 48w\" sizes=\"100vw\" \/><\/figure>\n\n<p>Desde el s\u00edmbolo del sistema de Windows, ejecute el comando <strong>ipconfig\/flushdns<\/strong><strong>. <\/strong>Windows mostrar\u00e1 un mensaje que confirma que la cach\u00e9 de DNS se ha vaciado.  <\/p>\n\n<p>En una Mac, ejecute el comando <strong>sudo killall -HUP mDNSResponder<\/strong>.<\/p>\n\n<p>Using <a href=\"https:\/\/www.bluehost.com\/domains\">Bluehost Domain Services<\/a>, you can manage your DNS records efficiently and ensure they are correctly configured to prevent unexpected authentication failures. If your DNS settings change frequently, Bluehost allows for easy domain management to avoid login issues.<\/p>\n\n<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" viewbox=\"0 0 1000 300\"> \n\n  <image width=\"1000\" height=\"300\" xlink:href=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2025\/03\/Domains-1-3.png\"><\/image> <a xlink:href=\"https:\/\/www.bluehost.com\/domains\"> \n\n    <rect x=\"83\" y=\"203\" fill=\"#fff\" opacity=\"0\" width=\"168\" height=\"63\"><\/rect> \n\n  <\/a> \n\n<\/svg>\n\n<h3 class=\"wp-block-heading\" id=\"h-5-deactivate-themes-and-plugins\">5. Deactivate themes and plugins<\/h3>\n\n<p>La instalaci\u00f3n de un nuevo tema o complemento puede cambiar la forma en que se comporta su sitio web. Puede afectar el rendimiento de su sitio web y, en algunos casos, cambiar el c\u00f3digo PHP, JavaScript o de la base de datos.   <\/p>\n\n<p>Si experimenta c\u00f3digos 401 en una o varias p\u00e1ginas despu\u00e9s de instalar un nuevo complemento o tema, intente desactivarlo para ver si resuelve el problema. De lo contrario, es posible que deba <a href=\"https:\/\/www.bluehost.com\/es-es\/blog\/como-desinstalar-un-plugin-en-wordpress-activar-instalar-y-comprobar-la-compatibilidad\/\">desactivar y reactivar todos sus complementos<\/a> hasta que encuentre al culpable.   <\/p>\n\n<p>La reversi\u00f3n de actualizaciones tambi\u00e9n puede resolver problemas causados por c\u00f3digo inestable y eliminar las p\u00e1ginas de error 401.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-6-disable-passwords-on-pages\">6. Disable passwords on pages<\/h3>\n\n<p>Desactivar la protecci\u00f3n con contrase\u00f1a para algunas p\u00e1ginas de tu sitio web a veces puede resolver este c\u00f3digo de error. Puedes editar tus archivos .htaccess y .htpasswd, pero s\u00f3lo si tienes una experiencia intermedia o avanzada en el manejo de archivos de WordPress.<\/p>\n\n<p>Para desactivar la protecci\u00f3n con contrase\u00f1a:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Inicie sesi\u00f3n en el panel de control de su proveedor de alojamiento y acceda al administrador de archivos.<\/li>\n\n\n\n<li>Busque y abra el directorio protegido con contrase\u00f1a.<\/li>\n\n\n\n<li>Al habilitar la protecci\u00f3n con contrase\u00f1a, su sitio web de WordPress genera un archivo .htaccess. Puedes encontrarlo en este directorio.  <\/li>\n\n\n\n<li>Cree una copia de seguridad del archivo, ya que es posible que la necesite en el futuro.<\/li>\n\n\n\n<li>Una vez hecho esto, elimine el archivo .htaccess del directorio.  <\/li>\n\n\n\n<li>Encuentra el archivo <a href=\"https:\/\/httpd.apache.org\/docs\/2.4\/programs\/htpasswd.html\" target=\"_blank\" rel=\"noreferrer noopener\">.htpasswd<\/a> oculto, crea una copia de seguridad y elim\u00ednalo.  <\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\" id=\"h-7-check-the-www-authenticate-header-response\">7. Check the WWW-Authenticate header response<\/h3>\n\n<p>Si ninguno de estos consejos de soluci\u00f3n de problemas funcion\u00f3, podr\u00eda tratarse de un problema m\u00e1s profundo del lado del servidor.  <\/p>\n\n<p>Your next step is to check your website\u2019s WWW-Authenticate header. This will require administrator access.<\/p>\n\n<p>Cuando un servidor genera una respuesta 401, env\u00eda un campo de encabezado WWW-Authenticate con al menos un desaf\u00edo al recurso de destino. Este encabezado a menudo tiene un m\u00e9todo de autenticaci\u00f3n fijo que un navegador debe pasar para acceder a la p\u00e1gina elegida.   <\/p>\n\n<p>Al comprender la respuesta y el m\u00e9todo de autenticaci\u00f3n requerido, puede identificar y solucionar el problema.<\/p>\n\n<p>Para acceder al encabezado WWW-Authenticate:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Abra la p\u00e1gina problem\u00e1tica en su navegador. Si utilizas Google Chrome, haz clic con el bot\u00f3n derecho en la p\u00e1gina y selecciona <strong>inspeccionar. <\/strong>Haga clic en <strong>May\u00fas + Control + C<\/strong> para abrir la consola del navegador en Firefox. <\/li>\n\n\n\n<li>Seleccione la entrada con el mensaje de error 401 en la pesta\u00f1a <strong>de red <\/strong>.<\/li>\n\n\n\n<li>Haga clic en <strong>los encabezados<\/strong><strong> <\/strong>pesta\u00f1a. En la entrada WWW-Authenticate en los <strong> <\/strong><strong>encabezados de respuesta<\/strong> <strong> <\/strong>, busque el m\u00e9todo de autenticaci\u00f3n del servidor que permite el acceso a la p\u00e1gina web.  <\/li>\n<\/ol>\n\n<p>Una vez que acceda a esta secci\u00f3n, puede saber d\u00f3nde est\u00e1 el error y ver c\u00f3mo resolver su problema de autenticaci\u00f3n.<\/p>\n\n<p>Para la resoluci\u00f3n avanzada de problemas de autenticaci\u00f3n, el alojamiento en <a href=\"https:\/\/www.bluehost.com\/hosting\/vps\">Bluehost VPS Hosting<\/a> o<a href=\"https:\/\/www.bluehost.com\/hosting\/dedicated\"> Bluehost Dedicated Hosting<\/a> permite un mayor control sobre la configuraci\u00f3n del servidor, lo que garantiza que se implementen los encabezados de autenticaci\u00f3n adecuados. Si prefieres soluciones escalables, <a href=\"https:\/\/www.bluehost.com\/hosting\/cloud\">Bluehost Cloud Hosting<\/a> optimiza la gesti\u00f3n de la autenticaci\u00f3n, reduciendo los errores de acceso.   <\/p>\n\n<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" viewbox=\"0 0 1001 300\"> \n\n  <image width=\"1001\" height=\"300\" xlink:href=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2025\/03\/Hosting-2.png\"><\/image> <a xlink:href=\"https:\/\/www.bluehost.com\/hosting\/shared\"> \n\n    <rect x=\"84\" y=\"180\" fill=\"#fff\" opacity=\"0\" width=\"187\" height=\"63\"><\/rect> \n\n  <\/a> \n\n<\/svg>\n\n<h3 class=\"wp-block-heading\" id=\"h-8-refresh-expired-tokens-nbsp\">8. Refresh expired tokens\u00a0<\/h3>\n\n<p>Some websites and apps use token-based authentication (like OAuth). If a token has expired or become invalid, you\u2019ll likely see a 401 error. To resolve this, try logging out and back in or reauthenticating with a new token. In apps using APIs, you may need to generate and replace the old token manually or programmatically.\u00a0<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-9-verify-api-authentication-credentials-nbsp\">9. Verify API authentication credentials\u00a0<\/h3>\n\n<p>If you\u2019re using an API, double-check that your authentication credentials (such as an API key, access token or bearer token) are still valid. A typo or expired token could trigger the 401 response. Make sure you&#8217;re using the correct method of authentication required by the API documentation.\u00a0<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-10-check-permissions-and-access-rights-nbsp\">10. Check permissions and access rights\u00a0<\/h3>\n\n<p>Incorrect file or user permissions on the server can result in 401 errors, especially for private pages, folders or resources. Ensure the authenticated user or role has the correct access level. If you&#8217;re running a multi-user platform, confirm that user roles and privileges are configured properly.\u00a0<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-11-debug-oauth-or-sso-issues-nbsp\">11. Debug OAuth or SSO issues\u00a0<\/h3>\n\n<p>OAuth or Single Sign-On (SSO) systems may fail due to misconfigurations in redirect URIs, client IDs or scopes. This typically happens after changes to the authentication flow or third-party integrations. Double-check the settings in your identity provider or app dashboard to ensure everything is correctly set up.\u00a0<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-12-inspect-server-logs-nbsp\">12. Inspect server logs\u00a0<\/h3>\n\n<p>For a more detailed look at what\u2019s causing the 401 error, examine your server logs. They often reveal missing credentials, incorrect endpoints or unauthorized access attempts. This step requires server access and is best done if you\u2019re comfortable with backend systems or with the help of your hosting provider.\u00a0<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-13-reconfigure-the-authentication-server-nbsp\">13. Reconfigure the authentication server\u00a0<\/h3>\n\n<p>In cases where authentication is handled by a dedicated server (such as in enterprise environments), misconfigurations or downtime can result in 401 errors. You may need to restart the server, fix firewall rules or review authentication protocols to restore proper access.\u00a0<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-14-contact-your-host\">14. Contact your host<\/h3>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help.png\" alt=\"Si todo lo dem&#xE1;s falla, puede ponerse en contacto con su proveedor de alojamiento web para obtener ayuda con su error.\" class=\"wp-image-45239\" srcset=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help.png 1920w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-300x169.png 300w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-1024x576.png 1024w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-768x432.png 768w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-1536x864.png 1536w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-24x14.png 24w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-36x20.png 36w, https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2023\/06\/contact-for-401-error-help-48x27.png 48w\" sizes=\"100vw\" \/><\/figure>\n\n<p>Si lo has intentado todo sin \u00e9xito, puedes ponerte en contacto con tu <a href=\"https:\/\/www.bluehost.com\/hosting\">proveedor de alojamiento<\/a> para obtener ayuda. El equipo de soporte t\u00e9cnico de tu host puede explorar tu sitio web y ayudarte a solucionar problemas de errores 401 y otros errores HTTP. <\/p>\n\n<p>If you&#8217;re using Bluehost, our expert support team is available 24\/7. We can assist you with diagnosing server issues, reviewing authentication settings and restoring site access quickly and securely.\u00a0<\/p>\n\n<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" viewbox=\"0 0 1000 300\"> \n\n  <image width=\"1000\" height=\"300\" xlink:href=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2025\/03\/WordPress-Support.jpg\"><\/image> <a xlink:href=\"https:\/\/www.bluehost.com\/pro-design-live\"> \n\n    <rect x=\"81\" y=\"183\" fill=\"#fff\" opacity=\"0\" width=\"138\" height=\"54\"><\/rect> \n\n  <\/a> \n\n<\/svg>\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-prevent-future-401-error-codes-on-your-website\">How to prevent future 401 error codes on your website?<\/h2>\n\n<p>Sometimes http 401 responses appear not because of server misconfiguration but due to simple browser issues like expired cookies or outdated cache.<\/p>\n\n<p>Evitar errores es mucho mejor que lidiar con ellos. Entonces, \u00bfc\u00f3mo evitas el 401 y otros c\u00f3digos de error HTTP en tu sitio web?   <\/p>\n\n<p>Estos son algunos consejos r\u00e1pidos:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Mantenga su navegador actualizado, lo que le garantiza el acceso a los sitios web desde un navegador eficiente y potente.<\/li>\n\n\n\n<li>Aseg\u00farese de que la configuraci\u00f3n de su servidor y su funcionalidad sean s\u00f3lidas. Eso evita errores del servidor que pueden impedir la autenticaci\u00f3n correcta de la p\u00e1gina. <\/li>\n\n\n\n<li>Vuelva a verificar las URL y las credenciales de inicio de sesi\u00f3n antes de acceder a un sitio web protegido con contrase\u00f1a.<\/li>\n\n\n\n<li>Borre las cookies y la cach\u00e9 de su navegador con frecuencia. Aunque es posible que deba iniciar sesi\u00f3n en sitios web con m\u00e1s frecuencia, esto evita posibles errores 401. <\/li>\n\n\n\n<li>Aseg\u00farate de que el software, los temas y los plugins de <a href=\"http:\/\/wordpress.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">WordPress<\/a> est\u00e9n actualizados. El uso de temas y plugins antiguos expone tu sitio web a errores y otras vulnerabilidades.   <\/li>\n<\/ul>\n\n<p>Using <a href=\"https:\/\/www.bluehost.com\/wordpress\/wordpress-hosting\">Bluehost WordPress Hosting<\/a>, you can keep your website updated automatically, reducing security risks that can lead to authentication errors like the 401 response. <\/p>\n\n<p>For enhanced security, <a href=\"https:\/\/www.bluehost.com\/blog\/protect-your-website-with-sitelock\/\">SiteLock<\/a> provides automated malware scans, helping prevent unauthorized access and login issues. Additionally, if your 401 error code stem from email authentication issues, <a href=\"https:\/\/www.bluehost.com\/help\/article\/professional-email\">Bluehost Professional Email<\/a> ensures smooth, secure access to your website-related email services.\u00a0<\/p>\n\n<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" viewbox=\"0 0 1001 300\"> \n\n  <image width=\"1001\" height=\"300\" xlink:href=\"https:\/\/www.bluehost.com\/blog\/wp-content\/uploads\/2025\/03\/WordPress-Hosting-10.jpg\"><\/image> <a xlink:href=\"https:\/\/www.bluehost.com\/wordpress\/wordpress-hosting\"> \n\n    <rect x=\"83\" y=\"203\" fill=\"#fff\" opacity=\"0\" width=\"130\" height=\"63\"><\/rect> \n\n  <\/a> \n\n<\/svg>\n\n<h2 class=\"wp-block-heading\">Errores comunes al corregir el error 401<\/h2>\n\n<p>Al solucionar un error 401 no autorizado, es f\u00e1cil pasar por alto ciertos detalles que pueden provocar problemas prolongados. Estos son algunos errores comunes que se deben evitar, junto con sus soluciones: <\/p>\n\n<h3 class=\"wp-block-heading\">1. Usar un formato de URL incorrecto<\/h3>\n\n<p>Un simple error tipogr\u00e1fico en la URL puede desencadenar el error. Si se introduce una URL obsoleta o incorrecta, es posible que se produzca un error de autenticaci\u00f3n o que se restrinja el acceso a la p\u00e1gina solicitada. <br\/><strong>Soluci\u00f3n:<\/strong> Vuelve a comprobar la URL para asegurarte de que est\u00e1 correctamente escrita, que empieza por https:\/\/ y que no contiene barras ni caracteres innecesarios. Si la p\u00e1gina se ha movido o se ha eliminado, vaya a la p\u00e1gina de inicio o al mapa del sitio para encontrar el enlace correcto. <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-2-forgetting-to-clear-browser-cache-amp-cookies\">2. Olvidarse de borrar la cach\u00e9 y las cookies del navegador<\/h3>\n\n<p>Los tokens de autenticaci\u00f3n caducados almacenados en las cookies pueden persistir el error 401, incluso despu\u00e9s de que se solucione el problema. Si una sesi\u00f3n antigua est\u00e1 almacenada en la cach\u00e9 de su navegador, el proceso de autenticaci\u00f3n puede fallar repetidamente. <\/p>\n\n<p><br\/><strong>Soluci\u00f3n:<\/strong> Borre la cach\u00e9 y las cookies de su navegador desde el men\u00fa de configuraci\u00f3n, luego reinicie su navegador antes de volver a intentar acceder. Esto eliminar\u00e1 los datos de sesi\u00f3n obsoletos y permitir\u00e1 un nuevo intento de autenticaci\u00f3n. <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3-not-checking-login-credentials-properly\">3. No comprobar correctamente las credenciales de inicio de sesi\u00f3n<\/h3>\n\n<p>Los usuarios a menudo asumen que est\u00e1n ingresando el nombre de usuario y la contrase\u00f1a correctos, pero pueden, sin saberlo, usar credenciales obsoletas o incorrectas. Los intentos fallidos repetidos tambi\u00e9n pueden provocar bloqueos temporales de la cuenta y el c\u00f3digo de estado 401. <\/p>\n\n<p><br\/><strong>Soluci\u00f3n:<\/strong> Aseg\u00farese de utilizar las credenciales de inicio de sesi\u00f3n m\u00e1s actualizadas. Si no est\u00e1s seguro, restablece tu contrase\u00f1a usando las opciones de recuperaci\u00f3n del sitio web. Adem\u00e1s, verifique si el bloqueo de may\u00fasculas o el bloqueo num\u00e9rico est\u00e1n habilitados accidentalmente al ingresar sus datos.  <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-4-ignoring-security-plugins-amp-firewalls\">4. Ignorar los plugins de seguridad y los cortafuegos<\/h3>\n\n<p>Algunos plugins de seguridad o cortafuegos pueden bloquear los intentos de inicio de sesi\u00f3n leg\u00edtimos, confundi\u00e9ndolos con intentos de acceso no autorizados. Esto puede suceder si la configuraci\u00f3n de seguridad es demasiado restrictiva o si una direcci\u00f3n IP se ha incluido por error en la lista negra. <\/p>\n\n<p><br\/><strong>Soluci\u00f3n:<\/strong> Deshabilite temporalmente los complementos de seguridad como Wordfence o SiteLock e intente iniciar sesi\u00f3n nuevamente. Si se restablece el acceso, ajuste la configuraci\u00f3n del complemento para evitar falsos positivos mientras se mantiene la seguridad. <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-difference-between-error-401-and-403-errors\">\u00bfCu\u00e1l es la diferencia entre los errores 401 y 403?<\/h2>\n\n<p>Error 401 (Unauthorized) occurs when authentication is required but missing or invalid\u2014like incorrect login details or expired tokens. In contrast, error 403 (Forbidden) means access is denied even with valid credentials, usually due to permission settings or security rules. To fix 401, check your login or API credentials; for 403, adjust file permissions or server configurations.\u00a0<\/p>\n\n<p>Read more: <a href=\"https:\/\/www.bluehost.com\/blog\/fix-403-forbidden-error-wordpress\/\">How to Fix the 403 Forbidden Error in WordPress<\/a>\u00a0<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-variations-of-401-authentication-error-nbsp\">Variations of 401 authentication error\u00a0<\/h2>\n\n<p>The 401 error code can appear in several forms depending on the platform or server. Here are common variations of the HTTP error 401:\u00a0<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>401 unauthorized<\/strong>: Trigger when authentication credentials are missing or invalid\u00a0<\/li>\n\n\n\n<li><strong>HTTP error 401 \u2013 unauthorized access<\/strong>: Appear when users try to access restricted content without proper login\u00a0<\/li>\n\n\n\n<li><strong>401 authorization required<\/strong>: Signal that the server expects valid authentication details before granting access\u00a0<\/li>\n\n\n\n<li><strong>401 \u2013 access is denied due to invalid credentials<\/strong>: Display after failed login attempts or expired tokens\u00a0<\/li>\n\n\n\n<li><strong>401 error code from API or app<\/strong>: Indicate issues like invalid API keys or missing authentication headers\u00a0<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"h-final-thoughts-nbsp\">Reflexiones finales  <\/h2>\n\n<p>El c\u00f3digo de respuesta del error 401 puede ser frustrante, pero con un mantenimiento adecuado del sitio web, puede prevenir y resolver estos problemas de manera eficiente. Elegir un proveedor de alojamiento confiable garantiza que su sitio web permanezca actualizado, seguro y optimizado para procesos de autenticaci\u00f3n sin problemas. Con Bluehost WordPress Hosting, las actualizaciones autom\u00e1ticas ayudan a reducir las vulnerabilidades, mientras que SiteLock y CodeGuard brindan monitoreo de seguridad mejorado y copias de seguridad para evitar problemas de inicio de sesi\u00f3n.    <\/p>\n\n<p>\u00bfBuscas una experiencia de alojamiento segura y sin complicaciones? Echa un vistazo a <a href=\"https:\/\/www.bluehost.com\/wordpress\/wordpress-hosting\">los planes de alojamiento de WordPress de Bluehost<\/a> y aprovecha las actualizaciones autom\u00e1ticas del n\u00facleo de WordPress que ayudan a mantener tu sitio web seguro y libre de errores.   <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\">Preguntas frecuentes<\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1689359803164\"><strong class=\"schema-faq-question\"><strong>What is 401 error code and why does it appear as an http error?<\/strong><\/strong> <p class=\"schema-faq-answer\">The 401 status code is an http status code that indicates the request could not be completed because authentication is missing or invalid. It usually means the server did not receive proper credentials.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1689359816586\"><strong class=\"schema-faq-question\"><strong>What does 401 authorization required meaning imply in simple terms?<\/strong><\/strong> <p class=\"schema-faq-answer\">It means the server is demanding valid authentication details before allowing access to the requested web page. In other words, the 401 status code is telling you that login details or credentials are either missing or incorrect.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1757585509819\"><strong class=\"schema-faq-question\"><strong>Why am I getting a 401 unauthorized error while signing in?<\/strong><\/strong> <p class=\"schema-faq-answer\">A 401 unauthorized error often happens when login credentials, tokens or sessions are invalid. It can also occur if you try to access a restricted web page with insufficient permissions.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1757585520192\"><strong class=\"schema-faq-question\"><strong>Can http 401 error be related to an api key issue?<\/strong><\/strong> <p class=\"schema-faq-answer\">Yes. An api key that is missing, expired or incorrectly set in the header response can cause an http 401 error. This happens often with APIs that require secure identification before granting data access.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1757585538358\"><strong class=\"schema-faq-question\"><strong>Why does my browser\u2019s cookies sometimes trigger an error code 401?<\/strong><\/strong> <p class=\"schema-faq-answer\">If your browser\u2019s cookies are corrupted or not properly updated, the server may reject your session and return error code 401. Clearing cookies and the outdated browser cache often fixes this problem.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1757585549838\"><strong class=\"schema-faq-question\"><strong>How does google chrome show http 401 messages differently from other browsers?<\/strong><\/strong> <p class=\"schema-faq-answer\">On google chrome, an http 401 message may appear as a blank page or direct notification saying \u00ab401 authorization required.\u00bb Other browsers might phrase it slightly differently, but the underlying http status code remains the same.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1757585559701\"><strong class=\"schema-faq-question\"><strong>Is http 401 different from 401 unauthorized?<\/strong><\/strong> <p class=\"schema-faq-answer\">No, http 401 and 401 unauthorized are the same thing. Both indicate that the server refuses to provide the requested resource until you re authenticate with valid credentials.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1757585582423\"><strong class=\"schema-faq-question\"><strong>What steps can fix trouble accessing websites due to a 401 unauthorized error?<\/strong><\/strong> <p class=\"schema-faq-answer\">You can try checking credentials, refreshing the access token, clearing browser\u2019s cookies, updating login details or verifying that you have sufficient permissions. If these steps don\u2019t help, contact the site administrator for further support.<\/p> <\/div> <\/div>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Desentra\u00f1a los misterios del error 401 con nuestra gu\u00eda paso a paso. Descubra c\u00f3mo resolver los problemas del c\u00f3digo de estado 401 de manera efectiva.   <\/p>\n","protected":false},"author":152,"featured_media":115565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_title":"\u00bfQu\u00e9 es un error 401? C\u00f3mo solucionar problemas, arreglar y evitar que regrese","_yoast_wpseo_metadesc":"\u00bfExperimentas errores 401 en tu sitio web de WordPress? Lee este tutorial para aprender a identificar las causas y 8 formas de solucionar errores 401.","inline_featured_image":false,"footnotes":""},"categories":[1428],"tags":[3661,3672,3669,3685],"ppma_author":[948],"class_list":["post-115557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seguridad","tag-conformidad","tag-guias-practicas","tag-preguntas-frecuentes","tag-tutoriales"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfQu\u00e9 es un error 401? C\u00f3mo solucionar problemas, arreglar y evitar que regrese<\/title>\n<meta name=\"description\" content=\"\u00bfExperimentas errores 401 en tu sitio web de WordPress? 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It can also occur if you try to access a restricted web page with insufficient permissions.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/www.bluehost.com\/blog\/es\/que-es-un-error-401-causas-mas-comunes-y-como-solucionarlo\/#faq-question-1757585520192","position":4,"url":"https:\/\/www.bluehost.com\/blog\/es\/que-es-un-error-401-causas-mas-comunes-y-como-solucionarlo\/#faq-question-1757585520192","name":"Can http 401 error be related to an api key issue?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. An api key that is missing, expired or incorrectly set in the header response can cause an http 401 error. 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