{"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\/da\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Release of Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Samba 4.17.0 er blevet udgivet, hvilket forts\u00e6tter udviklingen af Samba 4 med en fuldst\u00e6ndig implementering af dom\u00e6nekontrolleren og Active Directory-tjenesten, der er kompatibel med Windows 2008-implementeringen og kan underst\u00f8tte alle Microsofts underst\u00f8ttede versioner af Windows-klienter, herunder Windows 11. Samba 4 er et multifunktionelt serverprodukt, der ogs\u00e5 tilbyder implementering af filserver, printtjeneste og identifikationstjeneste (winbind).      <\/p>\n<p>N\u00f8gle\u00e6ndringer i Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> Arbejdet med at eliminere regressionsproblemer i ydeevnen for belastede SMB-servere, som opstod som f\u00f8lge af tilf\u00f8jelse af beskyttelse mod s\u00e5rbarheder, der manipulerer symboliske links, er blevet gennemf\u00f8rt. Blandt de n\u00e6vnte optimeringer er reducering af systemopkald ved kontrol af mappenavne og ikke-brug af wakeup-begivenheder ved h\u00e5ndtering af konkurrerende operationer, der f\u00f8rer til forsinkelser.\n<li class=\"l\"> Der er mulighed for at samle Samba uden st\u00f8tte til SMB1-protokollen i smbd. For at deaktivere SMB1 i konfigurationsscriptet implementeres muligheden &#171;&#8212;without-smb1-server&#187; (dette p\u00e5virker kun smbd, mens klientbibliotekerne stadig underst\u00f8tter SMB1).\n<li class=\"l\"> Ved brug af MIT Kerberos 1.20 er der implementeret modforanstaltninger mod 'Bronze Bit'-angrebet (CVE-2020-17049) ved at overf\u00f8re yderligere information mellem KDC- og KDB-komponenterne. Problemet i den standard KDC baseret p\u00e5 Heimdal Kerberos blev l\u00f8st i 2021.\n<li class=\"l\"> Ved bygning med MIT Kerberos 1.20 i kontrollen <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/domain\/\"   title=\"dom\u00e6net\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">dom\u00e6net<\/a> Samba har implementeret underst\u00f8ttelse af Kerberos-udvidelserne S4U2Self og S4U2Proxy samt tilf\u00f8jet mulighed for begr\u00e6nset delegationsbaseret ressource (RBCD, Resource Based Constrained Delegation). For at styre RBCD er der tilf\u00f8jet underkommandoerne 'add-principal' og 'del-principal' til kommandoen &#171;samba-tool delegation&#187;. RBCD-tilstand underst\u00f8ttes dog endnu ikke i den anvendte standard KDC baseret p\u00e5 Heimdal Kerberos.\n<li class=\"l\"> I den indbyggede DNS-tjeneste er det blevet muligt at \u00e6ndre netv\u00e6rksporten, der modtager foresp\u00f8rgsler (for eksempel til at k\u00f8re en anden DNS-server p\u00e5 samme system, der videresender bestemte foresp\u00f8rgsler til Samba).\n<li class=\"l\"> I CTDB-komponenten, der h\u00e5ndterer klyngkonfigurationer, er kravene til syntaxen i filen ctdb.tunables blevet lettet. Ved at samle Samba med mulighederne &#171;&#8212;with-cluster-support&#187; og &#171;&#8212;systemd-install-services&#187; sikres der installation af systemd-tjenesten til CTDB. Levering af ctdbd_wrapper-scriptet er oph\u00f8rt - ctdbd-processen startes nu direkte fra systemd-tjenesten eller fra initialiseringsscriptet.\n<li class=\"l\"> Konfigurationen &#8216;nt hash store = never&#8217; forbyder opbevaring af &#171;bare&#187; (uden salt) hashes af Active Directory-brugeres adgangskoder. I den n\u00e6ste version vil indstillingen &#8216;nt hash store&#8217; som standard v\u00e6re indstillet til &#171;auto&#187;, hvor &#171;never&#187; tilstanden anvendes, hvis &#8216;ntlm auth = disabled&#8217; indstillingen er til stede.\n<li class=\"l\"> Der er foresl\u00e5et en binding til at f\u00e5 adgang til API'et i biblioteket smbconf fra kode skrevet i Python.\n<li class=\"l\"> I programmet smbstatus er muligheden for at udskrive information i JSON-format implementeret (aktivere med indstillingen &#171;&#8212;json&#187;).\n<li class=\"l\"> I dom\u00e6necontrolleren er der implementeret underst\u00f8ttelse af sikkerhedsgruppen &#171;Beskyttede brugere&#187;, der blev introduceret i Windows Server 2012 R2 og forhindrer brug af usikre krypteringstyper (for brugere i gruppen deaktiveres NTLM-godkendelse, Kerberos TGT'er baseret p\u00e5 RC4 og begr\u00e6nset samt ubegribent delegationsmulighed).\n<li class=\"l\"> Underst\u00f8ttelse af adgangskodeopbevaring og autentificeringsmetoden baseret p\u00e5 LanMan er oph\u00f8rt (indstillingen &#171;lanman auth = yes&#187; har nu ingen betydning).<br \/>\n<br \/>Kilde: <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 5.0.3 - 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 4.17.0, \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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