{"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\/it\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Uscita Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato rilasciato Samba 4.17.0, che ha proseguito lo sviluppo della serie Samba 4 con una piena implementazione del controller di dominio e del servizio Active Directory, compatibile con l'implementazione di Windows 2008 e in grado di supportare tutte le versioni di Windows client supportate da Microsoft, incluso Windows 11. Samba 4 \u00e8 un prodotto server multifunzionale, che offre anche implementazioni di server di file, servizio di stampa e server di identificazione (winbind).      <\/p>\n<p>Modifiche principali in Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata effettuata un'ottimizzazione per eliminare regressioni nelle prestazioni dei server SMB sovraccarichi, emerse a causa dell'aggiunta di protezioni contro vulnerabilit\u00e0 che manipolano collegamenti simbolici. Tra le ottimizzazioni effettuate si segnala la riduzione delle chiamate di sistema durante il controllo del nome della directory e l'assenza di eventi wakeup durante la gestione di operazioni in concorrenza, che portano a ritardi.\n<li class=\"l\"> \u00c8 stata introdotta la possibilit\u00e0 di compilare Samba senza supporto per il protocollo SMB1 in smbd. Per disabilitare SMB1 nello script di configurazione \u00e8 stata implementata l'opzione &#171;&#8212;without-smb1-server&#187; (influisce solo su smbd, mentre nelle librerie client il supporto per SMB1 rimane attivo).\n<li class=\"l\"> Con MIT Kerberos 1.20 \u00e8 stata implementata la possibilit\u00e0 di contrastare l'attacco &#171;Bronze Bit&#187; (CVE-2020-17049), grazie alla trasmissione di informazioni aggiuntive tra i componenti KDC e KDB. Nel KDC predefinito basato su Heimdal Kerberos il problema \u00e8 stato risolto nel 2021.\n<li class=\"l\"> Durante la compilazione con MIT Kerberos 1.20, nel controller <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/domain\/\"   title=\"di dominio\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">di dominio<\/a> Sulla base di Samba \u00e8 stato implementato il supporto per le estensioni Kerberos S4U2Self e S4U2Proxy, e aggiunta la possibilit\u00e0 di delega limitata basata su risorse (RBCD, Resource Based Constrained Delegation). Per gestire RBCD al comando &#171;samba-tool delegation&#187; sono state aggiunte le sottocomande &#8216;add-principal&#8217; e &#8216;del-principal&#8217;. Nel KDC predefinito basato su Heimdal Kerberos la modalit\u00e0 RBCD non \u00e8 ancora supportata.\n<li class=\"l\"> Nel servizio DNS integrato \u00e8 stata fornita la possibilit\u00e0 di modificare la porta di rete che riceve le richieste (ad esempio, per eseguire un altro server DNS sulla stessa macchina, deviando determinate richieste a Samba).\n<li class=\"l\"> Nel componente CTDB, responsabile del funzionamento delle configurazioni di cluster, sono stati ridotti i requisiti per la sintassi del file ctdb.tunables. Compilando Samba con le opzioni &#171;&#8212;with-cluster-support&#187; e &#171;&#8212;systemd-install-services&#187; \u00e8 assicurata l'installazione del servizio systemd per CTDB. \u00c8 stata interrotta la fornitura dello script ctdbd_wrapper &#8212; il processo ctdbd ora viene avviato direttamente dal servizio systemd o dallo script di inizializzazione.\n<li class=\"l\"> \u00c8 stata implementata l'impostazione &#8216;nt hash store = never&#8217; che vieta la memorizzazione di hash delle password degli utenti di Active Directory &#171;in chiaro&#187; (senza sale). Nella prossima versione, l'impostazione &#8216;nt hash store&#8217; per impostazione predefinita sar\u00e0 impostata su &#171;auto&#187;, in cui la modalit\u00e0 &#171;never&#187; sar\u00e0 applicata nel caso sia presente l'impostazione &#8216;ntlm auth = disabled&#8217;.\n<li class=\"l\"> \u00c8 stato proposto un wrapper per accedere all'API della libreria smbconf dal codice scritto in Python.\n<li class=\"l\"> Nel programma smbstatus \u00e8 stata implementata la possibilit\u00e0 di output delle informazioni in formato JSON (attivata con l'opzione &#171;&#8212;json&#187;).\n<li class=\"l\"> Nel controller di dominio \u00e8 stato implementato il supporto per il gruppo di sicurezza &#171;Utenti Protetti&#187;, introdotto in Windows Server 2012 R2 e che non consente l'uso di tipi di crittografia non sicuri (per gli utenti nel gruppo \u00e8 disabilitato il supporto per l'autenticazione NTLM, TGT Kerberos basati su RC4, delegazione limitata e illimitata).\n<li class=\"l\"> \u00c8 stato interrotto il supporto per il deposito di password e il metodo di autenticazione basato su LanMan (l'impostazione &#171;lanman auth = yes&#187; ora non ha effetto).<br \/>\n<br \/>Fonte: <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 5.0.1.1 - 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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