{"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\/ro\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Lansarea Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost lansat\u0103 versiunea Samba 4.17.0, continu\u00e2nd dezvoltarea ramurii Samba 4 cu o implementare complet\u0103 a controlerului de domeniu \u0219i a serviciului Active Directory, compatibil cu implementarea Windows 2008 \u0219i capabil s\u0103 suporte toate versiunile de clien\u021bi Windows acceptate de Microsoft, inclusiv Windows 11. Samba 4 este un produs server multifunc\u021bional, oferind, de asemenea, implementarea unui server de fi\u0219iere, a unui serviciu de imprimare \u0219i a unui server de identificare (winbind).      <\/p>\n<p>Modific\u0103rile cheie \u00een Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> S-a lucrat la eliminarea regresiilor de performan\u021b\u0103 pentru serverele SMB supra\u00eenc\u0103rcate, ap\u0103rute ca urmare a ad\u0103ug\u0103rii protec\u021biei \u00eempotriva vulnerabilit\u0103\u021bilor care manipuleaz\u0103 leg\u0103turile simbolice. Din optimiz\u0103rile implementate se men\u021bioneaz\u0103 reducerea apelurilor sistemului la verificarea numelui directorului \u0219i neutilizarea evenimentelor de trezire \u00een procesarea opera\u021biunilor concurente, care cauzeaz\u0103 \u00eent\u00e2rzieri.\n<li class=\"l\"> S-a oferit posibilitatea de a construi Samba f\u0103r\u0103 suport pentru protocolul SMB1 \u00een smbd. Pentru a dezactiva SMB1 \u00een scriptul de configurare a fost implementat\u0103 op\u021biunea &#171;&#8212;without-smb1-server&#187; (afecteaz\u0103 doar smbd, suportul SMB1 este men\u021binut \u00een bibliotecile client).\n<li class=\"l\"> \u00cen utilizarea MIT Kerberos 1.20 a fost implementat\u0103 capacitatea de a contracara atacul &#171;Bronze Bit&#187; (CVE-2020-17049), datorit\u0103 transmiterii de informa\u021bii suplimentare \u00eentre componentele KDC \u0219i KDB. Problema din KDC-ul implicit bazat pe Heimdal Kerberos a fost rezolvat\u0103 \u00een 2021.\n<li class=\"l\"> La compilarea cu MIT Kerberos 1.20, \u00een controlerul <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/domain\/\"   title=\"domeniu\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">domeniu<\/a> Pe baza Samba a fost implementat suportul pentru extensiile Kerberos S4U2Self \u0219i S4U2Proxy, iar de asemenea a fost ad\u0103ugat\u0103 capacitatea de delegare restric\u021bionat\u0103 bazat\u0103 pe resurse (RBCD, Resource Based Constrained Delegation). Pentru gestionarea RBCD, echipei &#171;samba-tool delegation&#187; i-au fost ad\u0103ugate subcomenzile &#8216;add-principal&#8217; \u0219i &#8216;del-principal&#8217;. \u00cen KDC-ul implicit bazat pe Heimdal Kerberos, modul RBCD nu este \u00eenc\u0103 suportat.\n<li class=\"l\"> \u00cen serviciul DNS \u00eencorporat a fost oferit\u0103 posibilitatea de a schimba portul de re\u021bea care accept\u0103 cererile (de exemplu, pentru a rula pe aceea\u0219i sistem un alt server DNS, care redirec\u021bioneaz\u0103 anumite cereri c\u0103tre Samba).\n<li class=\"l\"> \u00cen componenta CTDB, responsabil\u0103 pentru func\u021bionarea configura\u021biilor de cluster, cerin\u021bele pentru sintaxa fi\u0219ierului ctdb.tunables au fost reduse. La construirea Samba cu op\u021biunile &#171;&#8212;with-cluster-support&#187; \u0219i &#171;&#8212;systemd-install-services&#187; se asigur\u0103 instalarea serviciului systemd pentru CTDB. Furnizarea scriptului ctdbd_wrapper a fost oprit\u0103 \u2014 procesul ctdbd este acum lansat direct din serviciul systemd sau din scriptul de ini\u021bializare.\n<li class=\"l\"> A fost implementat\u0103 setarea &#8216;nt hash store = never&#8217; care interzice stocarea &#171;gol\u0103&#187; (f\u0103r\u0103 sare) a hash-urilor parolelor utilizatorilor Active Directory. \u00cen urm\u0103toarea versiune, setarea &#8216;nt hash store&#8217; va fi implicit setat\u0103 la &#171;auto&#187;, \u00een care modul &#171;never&#187; va fi aplicat \u00een cazul \u00een care exist\u0103 setarea &#8216;ntlm auth = disabled&#8217;.\n<li class=\"l\"> A fost propus un wrapper pentru accesarea API-ului bibliotecii smbconf din cod scris \u00een Python.\n<li class=\"l\"> \u00cen programul smbstatus a fost implementat\u0103 capacitatea de a afi\u0219a informa\u021bii \u00een format JSON (activat\u0103 prin op\u021biunea &#171;&#8212;json&#187;).\n<li class=\"l\"> \u00cen controlerul de domeniu a fost implementat suportul pentru grupul de securitate &#171;Utilizatori Proteja\u021bi&#187;, ap\u0103rut \u00een Windows Server 2012 R2, care nu permite utilizarea tipurilor nesigure de criptare (pentru utilizatorii din grup, suportul pentru autentificarea NTLM, Kerberos TGT-uri bazate pe RC4, delegarea restric\u021bionat\u0103 \u0219i nelimitat\u0103 este dezactivat).\n<li class=\"l\"> Suportul pentru depozitul de parole \u0219i metoda de autentificare bazat\u0103 pe LanMan a fost oprit (setarea &#171;lanman auth = yes&#187; nu mai are efect acum).<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57782\">opennet.ro<\/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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