{"id":72850,"date":"2020-03-05T02:41:54","date_gmt":"2020-03-04T23:41:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-samba-4-12-0"},"modified":"2020-03-05T02:41:54","modified_gmt":"2020-03-04T23:41:54","slug":"vypusk-samba-4-12-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-samba-4-12-0","title":{"rendered":"Udgivelsen af Samba 4.12.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.samba.org\/archive\/samba-announce\/2020\/000514.html\">Pr\u00e6senteret<\/a><\/noindex> udgivelse <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/\">Samba 4.12.0<\/a><\/noindex>, der forts\u00e6tter udviklingen af grenen <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35571\">Samba 4<\/a><\/noindex> med en fuld implementering af dom\u00e6nekontroller og Active Directory-tjenesten, der er kompatibel med Windows 2000-implementeringen og kan underst\u00f8tte alle Microsoft-underst\u00f8ttede Windows-klientversioner, herunder Windows 10. Samba 4 er et multifunktionelt serverprodukt, der ogs\u00e5 tilbyder implementering af filserver, printtjeneste og identitetserver (winbind).<\/p>\n<p>N\u00f8glepunkter <noindex><a rel=\"nofollow\" href=\"http:\/\/www.samba.org\/samba\/history\/samba-4.12.0.html\">Optimeringer<\/a><\/noindex> i Samba 4.12:<\/p>\n<ul>\n<li class=\"l\"> De indbyggede implementeringer af kryptografiske funktioner er fjernet fra kodebasen til fordel for brugen af eksterne biblioteker. Den prim\u00e6re kryptobibliotek, der er valgt, er GnuTLS (mindst version 3.4.7 kr\u00e6ves). Udover at reducere potentielle trusler forbundet med afsl\u00f8ring af s\u00e5rbarheder i indbyggede implementeringer af kryptografiske algoritmer har overgangen til GnuTLS ogs\u00e5 resulteret i en v\u00e6sentlig pr\u00e6stationsforbedring ved brug af kryptering i SMB3. Under testning med CIFS-klienten fra Linux 5.3 blev der registreret en tre gange hurtigere skrivning og 2,5 gange hurtigere l\u00e6sning.\n<li class=\"l\"> En ny backend til s\u00f8gning p\u00e5 SMB-drev med brug af protokollen <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.samba.org\/index.php\/Spotlight\">Spotlight<\/a><\/noindex>, baseret p\u00e5 s\u00f8gemaskinen  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.elastic.co\/elasticsearch\">Elasticsearch<\/a><\/noindex> (tidligere blev der tilbudt en backend baseret p\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Projects\/Tracker\">GNOME Tracker<\/a><\/noindex>). Der er ogs\u00e5 tilf\u00f8jet et v\u00e6rkt\u00f8j &#171;mdfind&#187; med en klient, der g\u00f8r det muligt at sende s\u00f8geforesp\u00f8rgsler til enhver SMB-server, hvor RPC Spotlight-tjenesten k\u00f8rer. Standardv\u00e6rdien for indstillingen &#171;spotlight backend&#187; er \u00e6ndret til &#171;noindex&#187; (for Tracker eller Elasticsearch skal v\u00e6rdierne &#171;tracker&#187; eller &#171;elasticsearch&#187; angives eksplicit).\n<li class=\"l\"> Adf\u00e6rden for operationerne &#8216;net ads kerberos pac save&#8217; og &#8216;net eventlog export&#8217; er \u00e6ndret, s\u00e5 de nu ikke overskriver filen, men ved fors\u00f8g p\u00e5 eksport til en eksisterende fil returnerer en fejl.\n<li class=\"l\"> I samba-tool er tilf\u00f8jelsen af kontaktposter til gruppemedlemmer forbedret. Tidligere kunne man med kommandoen &#8216;samba-tool group addmemers&#8217; blot tilf\u00f8je brugere, grupper og computere som nye medlemmer af grupper, men nu er der kommet support til at tilf\u00f8je kontakter som gruppemedlemmer.\n<li class=\"l\"> I samba-tool er filtrering efter organisatoriske enheder (OU, Organizational Unit) eller undertr\u00e6et tilladt. Der er tilf\u00f8jet nye flag &#171;&#8212;base-dn&#187; og &#171;&#8212;member-base-dn&#187;, som giver mulighed for kun at udf\u00f8re operationen p\u00e5 en bestemt del af Active Directory-tr\u00e6et, for eksempel kun inden for \u00e9n OU.\n<li class=\"l\"> En ny VFS-modul &#8216;io_uring&#8217; er tilf\u00f8jet, som bruger det nye interface fra Linux-kernen <noindex><a rel=\"nofollow\" href=\"http:\/\/kernel.dk\/io_uring.pdf\">io_uring<\/a><\/noindex> til asynkron input\/output. Io_uring underst\u00f8tter polling for input\/output og kan arbejde med bufferstyring (den tidligere foresl\u00e5ede mekanisme &#171;aio&#187; underst\u00f8ttede ikke bufferet input\/output). N\u00e5r der arbejdes med aktiveret polling, overg\u00e5r io_uring signifikant aio i ydeevne. I \u00f8jeblikket er der i Samba implementeret support til SMB_VFS_{PREAD,PWRITE,FSYNC}_SEND\/RECV baseret p\u00e5 io_uring, og omkostningerne for at opretholde en tr\u00e5dpool i brugerrummet er reduceret ved anvendelse af den foresl\u00e5ede standard VFS-backend. For at bygge VFS-modulet &#8216;io_uring&#8217; er det n\u00f8dvendigt at have biblioteket. <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.dk\/cgit\/liburing\/\">liburing<\/a><\/noindex> og Linux-kernen 5.1+.\n<li class=\"l\"> I VFS er muligheden for at angive en s\u00e6rlig v\u00e6rdi for tiden UTIME_OMIT tilf\u00f8jet for at markere behovet for at ignorere tiden i funktionen SMB_VFS_NTIMES().\n<li class=\"l\"> B smb.conf er supporten for parameteren &#171;write cache size&#187; oph\u00f8rt, da den er blevet irrelevant efter supporten af io_uring.\n<li class=\"l\"> I Samba-DC og Kerberos er underst\u00f8ttelsen af kryptering med DES-algoritmen blevet afskaffet. I Heimdal-DC er koden til weak-crypto fjernet.\n<li class=\"l\"> Modulet vfs_netatalk er blevet fjernet, da det ikke l\u00e6ngere er vedligeholdt og har mistet relevans.\n<li class=\"l\"> Backend BIND9_FLATFILE er erkl\u00e6ret for\u00e6ldet og vil blive fjernet i en af de kommende udgivelser.\n<li class=\"l\"> Biblioteket zlib er blevet inkluderet i byggeafh\u00e6ngighederne. Den indbyggede implementation af zlib er fjernet fra kodebasen (koden var baseret p\u00e5 en gammel version af zlib, der ikke fungerede korrekt med krypteringsunderst\u00f8ttelse).\n<li class=\"l\"> Fuzzing-testning af kodebasen er blevet etableret, herunder i tjenesten<br \/>\noss-fuzz. Under fuzzing-testningen er der blevet opdaget og rettet mange fejl.<\/p>\n<li class=\"l\"> Kravene til den minimale version af Python er forh\u00f8jet fra Python<br \/>\n3.4 til Python 3.5. Muligheden for at samle filserveren med Python 2 er stadig bevaret (f\u00f8r du k\u00f8rer .\\\/configure&#8217; og &#8216;make&#8217;, skal milj\u00f8variablen &#8216;PYTHON=python2&#8217; s\u00e6ttes).<\/p>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52475\">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 4.12.0, \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 2000 \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 10. 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-72850","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\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 Samba 4.12.0.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-samba-4-12-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"da_DK\" \/>\n\t\t<meta 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