{"id":183469,"date":"2026-09-25T16:54:25","date_gmt":"2026-09-25T14:54:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-samba-4-25-0"},"modified":"2026-09-25T16:54:29","modified_gmt":"2026-09-25T14:54:29","slug":"samba-4-25-0-release","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/samba-4-25-0-release","title":{"rendered":"Lan\u00e7amento do Samba 4.25.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s 6 meses de desenvolvimento, \u00e9 lan\u00e7ado o Samba 4.25.0, que continua o desenvolvimento da linha Samba 4 com a implementa\u00e7\u00e3o completa do controlador de dom\u00ednio e do servi\u00e7o Active Directory, compat\u00edvel com a implementa\u00e7\u00e3o do Windows Server e capaz de atender todas as vers\u00f5es de clientes Windows suportadas pela Microsoft, incluindo o Windows 11. O Samba 4 \u00e9 um produto de servidor multifuncional, que tamb\u00e9m oferece uma implementa\u00e7\u00e3o de servidor de arquivos, servi\u00e7o de impress\u00e3o e servidor de identifica\u00e7\u00e3o (winbind). O c\u00f3digo do projeto \u00e9 escrito em linguagem C e \u00e9 distribu\u00eddo sob a licen\u00e7a GPLv3.      <\/p>\n<p>Principais mudan\u00e7as no Samba 4.25:  <\/p>\n<ul>\n<li class=\"l\"> Foi adicionada suporte experimental para identificadores de arquivos persistentes (SMB2_CAP_PERSISTENT_HANDLES) na implementa\u00e7\u00e3o do protocolo SMB3, permitindo que os clientes continuem a trabalhar com arquivos abertos ap\u00f3s interrup\u00e7\u00f5es na conex\u00e3o de rede, reinicializa\u00e7\u00f5es <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-los-angeles\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a> ou a migra\u00e7\u00e3o da carga para um servidor de backup. Identificadores persistentes permitem evitar a reabertura de arquivos ap\u00f3s a falha do servidor, o que \u00e9 especialmente relevante ao hospedar arquivos <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-newyork\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a> de m\u00e1quinas virtuais Samba e bancos de dados em cluster.\n<p>Para opera\u00e7\u00e3o, \u00e9 necess\u00e1rio fornecer acesso exclusivo ao armazenamento SMB e desativar as configura\u00e7\u00f5es de \"kernel oplocks\", \"kernel share modes\" e \"posix locking\", o que compromete a compatibilidade com POSIX e NFS, al\u00e9m de reduzir significativamente o desempenho devido \u00e0 grava\u00e7\u00e3o s\u00edncrona de metadados no disco a cada opera\u00e7\u00e3o. Foram propostos dois modos de garantia de resili\u00eancia: full_outage (padr\u00e3o) \u2014 uma c\u00f3pia de seguran\u00e7a local do estado \u00e9 criada, permitindo a preserva\u00e7\u00e3o de descritores mesmo ap\u00f3s uma falha total do cluster, mas aumentando a carga; partial_outage \u2014 opera\u00e7\u00e3o mais r\u00e1pida sem c\u00f3pia de seguran\u00e7a, mas os descritores s\u00e3o perdidos se todos os n\u00f3s do cluster falharem simultaneamente.      <\/p>\n<li class=\"l\"> Adicionado o m\u00f3dulo VFS vfs_aio_ratelimit, permitindo definir um limite de taxa de solicita\u00e7\u00f5es que age no contexto de todo o cluster, e n\u00e3o apenas em n\u00f3s individuais. Para coordenar a aplica\u00e7\u00e3o global das restri\u00e7\u00f5es em cada n\u00f3, um processo em segundo plano ratelimitd deve ser iniciado, agregando a atividade de todos os processos smbd no n\u00f3 e transmitindo as informa\u00e7\u00f5es para outros n\u00f3s do cluster. A habilita\u00e7\u00e3o do vfs_aio_ratelimit \u00e9 realizada na fase de compila\u00e7\u00e3o atrav\u00e9s da op\u00e7\u00e3o \"--with-ratelimitd\".\n<li class=\"l\"> Adicionado o m\u00f3dulo VFS vfs_ceph_rgw para Ceph RGW (Object Gateway), permitindo exportar dados do Ceph Object Gateway como armazenamento SMB com representa\u00e7\u00e3o hier\u00e1rquica dos objetos armazenados na forma de arquivos e diret\u00f3rios comuns com controle de acesso no n\u00edvel POSIX uid\/gid.\n<li class=\"l\"> Implementados n\u00edveis de funcionalidade de cluster que lembram os n\u00edveis <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/domain\/\"   title=\"de dom\u00ednio\" data-wpil-keyword-link=\"linked\">de dom\u00ednio<\/a> e as florestas no Active Directory, permitindo a atualiza\u00e7\u00e3o gradual dos n\u00f3s no cluster (rolling upgrade). Os formatos de banco de dados e os formatos internos de troca de mensagens, que afetam a intera\u00e7\u00e3o entre os n\u00f3s, s\u00e3o alterados apenas ap\u00f3s a eleva\u00e7\u00e3o expl\u00edcita para todo o cluster, garantindo a compatibilidade dos n\u00f3s com diferentes vers\u00f5es do Samba durante a atualiza\u00e7\u00e3o. O gerenciamento \u00e9 feito atrav\u00e9s dos comandos \"net clusterlevel features|show|showall|upgrade\".\n<li class=\"l\"> Para criptografia no dom\u00ednio, s\u00e3o utilizados por padr\u00e3o os algoritmos aes128-cts-hmac-sha1-96 e aes256-cts-hmac-sha1-96 para dom\u00ednios com n\u00edvel de funcionalidade 2008 e superior. A mudan\u00e7a bloqueia a explora\u00e7\u00e3o da vulnerabilidade CVE-2026-20833, causada pelo uso de m\u00e9todos de criptografia inseguros no Windows Kerberos.\n<li class=\"l\"> No CTDB, os arquivos com bloqueios, PID e sockets foram movidos para subdiret\u00f3rios ctdb\/. O script de inicializa\u00e7\u00e3o ctdb.init foi movido para ctdb\/doc\/examples. Adicionada a suporte para monitoramento de hosts, como servidores DNS. A fun\u00e7\u00e3o detect_init_style() e a vari\u00e1vel CTDB_INIT_STYLE foram declaradas obsoletas (recomenda-se usar CTDB_PLATFORM_STYLE em seu lugar).    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66341\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 6 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.25.0, \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 Server \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 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183469","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 6 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.25.0, \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 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\u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a Samba 4.25.0 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 6 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.25.0, \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 Server \u0438.","og:url":"https:\/\/prohoster.info\/pt\/blog\/news\/samba-4-25-0-release","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-09-25T14:54:25+00:00","article:modified_time":"2026-09-25T14:54:29+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/183469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/comments?post=183469"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/183469\/revisions"}],"predecessor-version":[{"id":183470,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/183469\/revisions\/183470"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/media?parent=183469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/categories?post=183469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/tags?post=183469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}