{"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\/sv\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Utgivning av Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Samba 4.17.0 har lanserats, vilket forts\u00e4tter utvecklingen av Samba 4 med en fullst\u00e4ndig implementation av dom\u00e4nkontrollern och Active Directory-tj\u00e4nsten, kompatibel med Windows 2008 och kapabel att st\u00f6dja alla versioner av Windows-klienter som Microsoft st\u00f6djer, inklusive Windows 11. Samba 4 \u00e4r en multifunktionell serverprodukt som ocks\u00e5 tillhandah\u00e5ller en filserver, utskriftstj\u00e4nst och identitetstj\u00e4nst (winbind).      <\/p>\n<p>Nyckelf\u00f6r\u00e4ndringar i Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> Arbetet med att \u00e5tg\u00e4rda prestandaregressioner p\u00e5 \u00f6verbelastade SMB-servrar har genomf\u00f6rts, vilka uppkommit som resultat av inf\u00f6randet av skydd mot s\u00e5rbarheter som manipulerar symboliska l\u00e4nkar. Bland de genomf\u00f6rda optimeringarna n\u00e4mns minskningen av systemanrop vid kontroll av katalognamn och att wakeup-h\u00e4ndelser inte anv\u00e4nds vid hantering av konkurrerande operationer som leder till f\u00f6rdr\u00f6jningar.\n<li class=\"l\"> M\u00f6jlighet att bygga Samba utan st\u00f6d f\u00f6r SMB1-protokollet i smbd har inf\u00f6rts. F\u00f6r att st\u00e4nga av SMB1 finns alternativet &#171;&#8212;without-smb1-server&#187; i konfigurationsskriptet (p\u00e5verkar endast smbd, st\u00f6d f\u00f6r SMB1 kvarst\u00e5r i klientbiblioteken).\n<li class=\"l\"> Vid anv\u00e4ndning av MIT Kerberos 1.20 har m\u00f6jligheten att motverka &#171;Bronze Bit&#187;-attacken (CVE-2020-17049) inf\u00f6rts, tack vare \u00f6verf\u00f6ring av ytterligare information mellan KDC- och KDB-komponenter. Problemet har \u00e5tg\u00e4rdats i den standardanv\u00e4nda KDC baserad p\u00e5 Heimdal Kerberos under 2021.\n<li class=\"l\"> Vid byggande med MIT Kerberos 1.20 i dom\u00e4nkontrollern <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/domain\/\"   title=\"dom\u00e4n\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">dom\u00e4n<\/a> St\u00f6d f\u00f6r Kerberos-till\u00e4gg S4U2Self och S4U2Proxy har implementerats p\u00e5 basis av Samba, och m\u00f6jligheten f\u00f6r begr\u00e4nsad delegering baserad p\u00e5 resurser (RBCD, Resource Based Constrained Delegation) har lagts till. Underkommandona &#8216;add-principal&#8217; och &#8216;del-principal&#8217; har lagts till i kommandot &#171;samba-tool delegation&#187; f\u00f6r att hantera RBCD. RBCD-l\u00e4get st\u00f6ds \u00e4nnu inte i den standardanv\u00e4nda KDC baserad p\u00e5 Heimdal Kerberos.\n<li class=\"l\"> I den inbyggda DNS-tj\u00e4nsten har det blivit m\u00f6jligt att \u00e4ndra n\u00e4tverksporten som tar emot f\u00f6rfr\u00e5gningar (till exempel f\u00f6r att k\u00f6ra en annan DNS-server p\u00e5 samma system som omdirigerar vissa f\u00f6rfr\u00e5gningar till Samba).\n<li class=\"l\"> I komponenten CTDB, ansvarig f\u00f6r att hantera klusterkonfigurationer, har syntaxkraven f\u00f6r filen ctdb.tunables s\u00e4nkts. N\u00e4r Samba byggs med alternativen &#171;&#8212;with-cluster-support&#187; och &#171;&#8212;systemd-install-services&#187; s\u00e4kerst\u00e4lls installation av systemd-tj\u00e4nsten f\u00f6r CTDB. Leveransen av skriptet ctdbd_wrapper har upph\u00f6rt \u2014 processen ctdbd startas nu direkt fr\u00e5n systemd-tj\u00e4nsten eller fr\u00e5n initieringsskriptet.\n<li class=\"l\"> Inst\u00e4llningen &#8216;nt hash store = never&#8217; har implementerats s\u00e5 att lagring av &#171;rena&#187; (utan salt) hashar av l\u00f6senord f\u00f6r Active Directory-anv\u00e4ndare f\u00f6rbjuds. I n\u00e4sta version kommer inst\u00e4llningen &#8216;nt hash store&#8217; att st\u00e4llas in p\u00e5 standardv\u00e4rdet &#171;auto&#187;, d\u00e4r l\u00e4get &#171;never&#187; till\u00e4mpas om inst\u00e4llningen &#8216;ntlm auth = disabled&#8217; finns.\n<li class=\"l\"> En inbindning f\u00f6r att f\u00e5 \u00e5tkomst till API:et i smbconf-biblioteket fr\u00e5n kod skriven i Python har f\u00f6reslagits.\n<li class=\"l\"> I programmet smbstatus har m\u00f6jligheten att f\u00e5 ut information i JSON-format inf\u00f6rts (aktiveras med alternativet &#171;&#8212;json&#187;).\n<li class=\"l\"> I dom\u00e4nkontrollanten har st\u00f6d f\u00f6r s\u00e4kerhetsgruppen &#171;Skyddade anv\u00e4ndare&#187; inf\u00f6rts, som tillkom i Windows Server 2012 R2 och som inte till\u00e5ter anv\u00e4ndning av os\u00e4kra krypteringstyper (NTLM-autentisering st\u00e4ngs av f\u00f6r anv\u00e4ndare i gruppen, Kerberos TGTs baserade p\u00e5 RC4, begr\u00e4nsad och obegr\u00e4nsad delegering).\n<li class=\"l\"> St\u00f6d f\u00f6r l\u00f6senordslagring och autentiseringsmetod baserad p\u00e5 LanMan har upph\u00f6rt (inst\u00e4llningen &#171;lanman auth = yes&#187; har nu ingen betydelse).<br \/>\n<br \/>K\u00e4lla: <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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