{"id":105093,"date":"2022-09-14T21:36:59","date_gmt":"2022-09-14T19:36:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-samba-4-17-0"},"modified":"2022-09-14T21:36:59","modified_gmt":"2022-09-14T19:36:59","slug":"vypusk-samba-4-17-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Lanzamiento de Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se lanz\u00f3 la versi\u00f3n Samba 4.17.0, que continu\u00f3 el desarrollo de la rama Samba 4 con una implementaci\u00f3n completa del controlador de dominio y el servicio Active Directory, compatible con la implementaci\u00f3n de Windows 2008 y capaz de atender todas las versiones de clientes de Windows respaldadas por Microsoft, incluyendo Windows 11. Samba 4 es un producto de servidor multifuncional que tambi\u00e9n ofrece una implementaci\u00f3n de servidor de archivos, servicio de impresi\u00f3n y servidor de identificaci\u00f3n (winbind).      <\/p>\n<p>Cambios clave en Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> Se han realizado trabajos para eliminar regresiones en el rendimiento de los servidores SMB sobrecargados, surgidas como resultado de la adici\u00f3n de protecci\u00f3n contra vulnerabilidades que manipulan enlaces simb\u00f3licos. Entre las optimizaciones realizadas se menciona la reducci\u00f3n de llamadas al sistema al verificar el nombre de un directorio y la no utilizaci\u00f3n de eventos de wakeup en el manejo de operaciones concurrentes que conducen a retrasos.\n<li class=\"l\"> Se ha habilitado la compilaci\u00f3n de Samba sin soporte para el protocolo SMB1 en smbd. Para desactivar SMB1, se ha implementado la opci\u00f3n &#171;&#8212;without-smb1-server&#187; en el script de configuraci\u00f3n (afecta solo a smbd, el soporte para SMB1 se mantiene en las bibliotecas del cliente).\n<li class=\"l\"> Al utilizar MIT Kerberos 1.20, se ha implementado la capacidad de contrarrestar el ataque &#171;Bronze Bit&#187; (CVE-2020-17049), gracias a la transmisi\u00f3n de informaci\u00f3n adicional entre los componentes KDC y KDB. En el KDC por defecto basado en Heimdal Kerberos, el problema se solucion\u00f3 en 2021.\n<li class=\"l\"> Al compilar con MIT Kerberos 1.20 en el controlador <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/domain\/\"   title=\"dominio\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">dominio<\/a> Basado en Samba, se ha implementado el soporte para las extensiones Kerberos S4U2Self y S4U2Proxy, y se ha a\u00f1adido la posibilidad de delegaci\u00f3n limitada basada en recursos (RBCD, Resource Based Constrained Delegation). Para gestionar RBCD, se han a\u00f1adido los subcomandos &#8216;add-principal&#8217; y &#8216;del-principal&#8217; al comando &#171;samba-tool delegation&#187;. En el KDC por defecto basado en Heimdal Kerberos, el modo RBCD a\u00fan no es compatible.\n<li class=\"l\"> En el servicio DNS integrado, se ha proporcionado la posibilidad de cambiar el puerto de red que acepta solicitudes (por ejemplo, para ejecutar otro servidor DNS en el mismo sistema, que redirija ciertas solicitudes a Samba).\n<li class=\"l\"> En el componente CTDB, encargado de las configuraciones de cl\u00faster, se han reducido los requisitos de sintaxis del archivo ctdb.tunables. Al compilar Samba con las opciones &#171;&#8212;with-cluster-support&#187; y &#171;&#8212;systemd-install-services&#187;, se asegura la instalaci\u00f3n del servicio systemd para CTDB. Se ha cesado la entrega del script ctdbd_wrapper: el proceso ctdbd ahora se inicia directamente desde el servicio systemd o desde un script de inicializaci\u00f3n.\n<li class=\"l\"> Se ha implementado la configuraci\u00f3n &#8216;nt hash store = never&#8217; que proh\u00edbe el almacenamiento de hashes de contrase\u00f1as de Active Directory &#171;en bruto&#187; (sin sal). En la siguiente versi\u00f3n, la configuraci\u00f3n &#8216;nt hash store&#8217; por defecto se establecer\u00e1 en &#171;auto&#187;, en la que el modo &#171;never&#187; se aplicar\u00e1 si existe la configuraci\u00f3n &#8216;ntlm auth = disabled&#8217;.\n<li class=\"l\"> Se ha sugerido un enlace para acceder a la API de la biblioteca smbconf desde c\u00f3digo en Python.\n<li class=\"l\"> En el programa smbstatus se ha habilitado la posibilidad de salida de informaci\u00f3n en formato JSON (se activa con la opci\u00f3n &#171;&#8212;json&#187;).\n<li class=\"l\"> En el controlador de dominio se ha implementado el soporte para el grupo de seguridad &#171;Usuarios protegidos&#187;, que apareci\u00f3 en Windows Server 2012 R2 y que no permite el uso de tipos de cifrado inseguros (para los usuarios en el grupo, se desactiva el soporte para la autenticaci\u00f3n NTLM, Kerberos TGTs basados en RC4, delegaci\u00f3n limitada y no limitada).\n<li class=\"l\"> Se ha dejado de soportar el almacenamiento de contrase\u00f1as y el m\u00e9todo de autenticaci\u00f3n basado en LanMan (la configuraci\u00f3n &#171;lanman auth = yes&#187; ahora no tiene efecto).<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57782\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.17.0, \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0432\u0448\u0438\u0439 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0432\u0435\u0442\u043a\u0438 Samba 4 \u0441 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 \u0434\u043e\u043c\u0435\u043d\u0430 \u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u0430 Active Directory, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 Windows 2008 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0433\u043e \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0442\u044c \u0432\u0441\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 Microsoft \u0432\u0435\u0440\u0441\u0438\u0438 Windows-\u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 Windows 11. Samba 4 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043c\u043d\u043e\u0433\u043e\u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u043c, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u043c \u0442\u0430\u043a\u0436\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u043f\u0435\u0447\u0430\u0442\u0438 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 (winbind). \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105093","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.17.0, \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0432\u0448\u0438\u0439 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0432\u0435\u0442\u043a\u0438 Samba 4 \u0441 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 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