{"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\/sk\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Vydanie Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol predstaven\u00fd release Samba 4.17.0, ktor\u00fd pokra\u010duje vo v\u00fdvoji vetvy Samba 4 s plnou implement\u00e1ciou dom\u00e9nov\u00e9ho kontrol\u00e9ra a slu\u017eby Active Directory, kompatibilnej s implement\u00e1ciou Windows 2008 a schopnej obsluhova\u0165 v\u0161etky podporovan\u00e9 verzie Windows klientov od Microsoftu, vr\u00e1tane Windows 11. Samba 4 je multifunk\u010dn\u00fd serverov\u00fd produkt, ktor\u00fd poskytuje aj implement\u00e1ciu s\u00faborov\u00e9ho servera, slu\u017eby tla\u010de a servera identifik\u00e1cie (winbind).      <\/p>\n<p>K\u013e\u00fa\u010dov\u00e9 zmeny v Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> Bola vykonan\u00e1 pr\u00e1ca na odstr\u00e1nen\u00ed regresi\u00ed v v\u00fdkonnosti pre\u0165a\u017een\u00fdch SMB serverov, ktor\u00e9 sa objavili v d\u00f4sledku pridania ochrany pred zranite\u013enos\u0165ami manipuluj\u00facimi so symbolick\u00fdmi odkazmi. Z vykonan\u00fdch optimaliz\u00e1ci\u00ed sa spom\u00edna zn\u00ed\u017eenie syst\u00e9mov\u00fdch volan\u00ed pri overovan\u00ed n\u00e1zvu adres\u00e1ra a nepou\u017e\u00edvanie wakeup udalost\u00ed pri sprac\u00favan\u00ed konkuren\u010dn\u00fdch oper\u00e1ci\u00ed, \u010do sp\u00f4sobovalo oneskorenia.\n<li class=\"l\"> Bola poskytnut\u00e1 mo\u017enos\u0165 zostavi\u0165 Samba bez podpory protokolu SMB1 v smbd. Na deaktiv\u00e1ciu SMB1 sa do zostavovacieho skriptu configure implementovala mo\u017enos\u0165 &#171;&#8212;without-smb1-server&#187; (t\u00fdka sa iba smbd, podpora SMB1 v klientsk\u00fdch kni\u017eniciach ost\u00e1va).\n<li class=\"l\"> Pri pou\u017eit\u00ed MIT Kerberos 1.20 bola implementovan\u00e1 mo\u017enos\u0165 protiopatrenia vo\u010di \u00fatoku &#171;Bronze Bit&#187; (CVE-2020-17049), v\u010faka pren\u00e1\u0161aniu dodato\u010dn\u00fdch inform\u00e1ci\u00ed medzi komponentami KDC a KDB. V predvolenom KDC zalo\u017eenom na Heimdal Kerberos bola t\u00e1to probl\u00e9m vyrie\u0161en\u00e1 v roku 2021.\n<li class=\"l\"> Pri zostavovan\u00ed s MIT Kerberos 1.20 v kontrol\u00e9ri <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/domain\/\"   title=\"dom\u00e9ny\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">dom\u00e9ny<\/a> Na z\u00e1klade Samba bola implementovan\u00e1 podpora Kerberos-roz\u0161\u00edren\u00ed S4U2Self a S4U2Proxy, ako aj bola pridan\u00e1 mo\u017enos\u0165 obmedzen\u00e9ho delegovania zalo\u017een\u00e9ho na zdrojoch (RBCD, Resource Based Constrained Delegation). Pre spr\u00e1vu RBCD do pr\u00edkazu &#171;samba-tool delegation&#187; boli pridan\u00e9 podpr\u00edkazy &#8216;add-principal&#8217; a &#8216;del-principal&#8217;. V predvolenom KDC zalo\u017eenom na Heimdal Kerberos zatia\u013e nie je re\u017eim RBCD podporovan\u00fd.\n<li class=\"l\"> V zabudovanej DNS slu\u017ebe bola poskytnut\u00e1 mo\u017enos\u0165 zmeny sie\u0165ov\u00e9ho portu, ktor\u00fd prij\u00edma po\u017eiadavky (napr\u00edklad na spustenie in\u00e9ho DNS servera na tej istej s\u00fastave, ktor\u00fd preposiela ur\u010dit\u00e9 po\u017eiadavky na Samba).\n<li class=\"l\"> V komponente CTDB, ktor\u00fd zodpoved\u00e1 za funkciu klastrov\u00fdch konfigur\u00e1ci\u00ed, boli zn\u00ed\u017een\u00e9 po\u017eiadavky na syntax s\u00faboru ctdb.tunables. Pri zostavovan\u00ed Samba s mo\u017enos\u0165ami &#171;&#8212;with-cluster-support&#187; a &#171;&#8212;systemd-install-services&#187; bola zabezpe\u010den\u00e1 in\u0161tal\u00e1cia slu\u017eby systemd pre CTDB. Dod\u00e1vanie skriptu ctdbd_wrapper bolo ukon\u010den\u00e9 - proces ctdbd sa teraz sp\u00fa\u0161\u0165a priamo zo slu\u017eby systemd alebo zo skriptu inicializ\u00e1cie.\n<li class=\"l\"> Bola implementovan\u00e1 konfigur\u00e1cia &#8216;nt hash store = never&#8217;, ktor\u00e1 zakazuje uchov\u00e1vanie &#171;hol\u00fdch&#187; (bez soli) hashov hesiel pou\u017e\u00edvate\u013eov Active Directory. V nasleduj\u00facej verzii bude predvolen\u00e9 nastavenie &#8216;nt hash store&#8217; nastaven\u00e9 na hodnotu &#171;auto&#187;, pri ktorej re\u017eim &#171;never&#187; bude pou\u017eit\u00fd v pr\u00edpade pr\u00edtomnosti nastavenia &#8216;ntlm auth = disabled&#8217;.\n<li class=\"l\"> Navrhnut\u00e1 ob\u00e1lka na pr\u00edstup k API knihovny smbconf z k\u00f3du v jazyku Python.\n<li class=\"l\"> V programe smbstatus bola implementovan\u00e1 mo\u017enos\u0165 v\u00fdstupu inform\u00e1ci\u00ed vo form\u00e1te JSON (aktivuje sa mo\u017enos\u0165ou &#171;&#8212;json&#187;).\n<li class=\"l\"> V dom\u00e9novom kontrol\u00e9ri bola implementovan\u00e1 podpora bezpe\u010dnostnej skupiny &#171;Chr\u00e1nen\u00ed pou\u017e\u00edvatelia&#187;, ktor\u00e1 sa objavila vo Windows Server 2012 R2 a neumo\u017e\u0148uje pou\u017e\u00edvanie nezabezpe\u010den\u00fdch typov \u0161ifrovania (pre pou\u017e\u00edvate\u013eov v skupine je deaktivovan\u00e1 podpora autentiz\u00e1cie NTLM, Kerberos TGTs na b\u00e1ze RC4, obmedzen\u00e9ho a neobmedzen\u00e9ho delegovania).\n<li class=\"l\"> Podpora \u00falo\u017eiska hesiel a met\u00f3dy autentiz\u00e1cie na b\u00e1ze LanMan bola ukon\u010den\u00e1 (nastavenie &#171;lanman auth = yes&#187; teraz nem\u00e1 \u017eiadny v\u00fdznam).<br \/>\n<br \/>Zdroj: <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 5.0.4 - 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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