{"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\/sl\/blog\/news\/vypusk-samba-4-17-0","title":{"rendered":"Izdaja Samba 4.17.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Izdan je Samba 4.17.0, koja nastavlja razvoj Samba 4 sa potpunom implementacijom kontrolera domena i usluge Active Directory, kompatibilne sa Windows 2008 i sposobne za podr\u0161ku svih verzija Windows klijenata koje Microsoft podr\u017eava, uklju\u010duju\u0107i Windows 11. Samba 4 je multifunkcionalni serverski proizvod koji tako\u0111e pru\u017ea implementaciju fajl servera, usluga za \u0161tampanje i servera identifikacije (winbind).      <\/p>\n<p>Klju\u010dne promene u Samba 4.17:  <\/p>\n<ul>\n<li class=\"l\"> Obavljen je rad na otklanjanju regresija u performansama optere\u0107enih SMB servera, koje su se pojavile kao rezultat dodavanja za\u0161tite od ranjivosti koje manipuli\u0161u simboli\u010dkim linkovima. Od sprovedenih optimizacija bele\u017ei se smanjenje sistemskih poziva prilikom provere imena direktorijuma i ne kori\u0161\u0107enje wakeup doga\u0111aja prilikom obrade konkurentnih operacija, \u0161to dovodi do ka\u0161njenja.\n<li class=\"l\"> Dodana je mo\u017enost izgradnje Sambe bez podr\u0161ke za protokol SMB1 u smbd. Da bi se onemogu\u0107io SMB1, u skripti za konfiguraciju implementirana je opcija &#171;&#8212;without-smb1-server&#187; (ti\u010de se samo smbd, podr\u0161ka za SMB1 ostaje u klijentskim bibliotekama).\n<li class=\"l\"> Pri kori\u0161\u0107enju MIT Kerberosa 1.20 omogu\u0107ena je za\u0161tita od napada &#171;Bronze Bit&#187; (CVE-2020-17049), zahvaljuju\u0107i prenosu dodatnih informacija izme\u0111u komponenti KDC i KDB. U podrazumevanom KDC-u zasnovanom na Heimdal Kerberosu problem je re\u0161en 2021. godine.\n<li class=\"l\"> Prilikom kompilacije sa MIT Kerberos 1.20 u kontroleru <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/domain\/\"   title=\"domene\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4149\">domene<\/a> Na osnovu Sambe implementirana je podr\u0161ka za Kerberos-ovih ekstenzija S4U2Self i S4U2Proxy, a tako\u0111e je dodana mogu\u0107nost ograni\u010denog delegiranja zasnovanog na resursima (RBCD, Resource Based Constrained Delegation). Za upravljanje RBCD-om u komandni &#171;samba-tool delegation&#187; dodate su podkomande &#8216;add-principal&#8217; i &#8216;del-principal&#8217;. U primenjenom podrazumevanom KDC-u zasnovanom na Heimdal Kerberosu RBCD re\u017eim jo\u0161 nije podr\u017ean.\n<li class=\"l\"> U ugra\u0111enoj DNS usluzi omogu\u0107ena je promena mre\u017enog porta koji prima zahteve (na primer, za pokretanje druge DNS usluge na istoj sistem koji preusmerava odre\u0111ene zahteve ka Sambi).\n<li class=\"l\"> U komponenti CTDB, koja je odgovorna za rad klasterskih konfiguracija, smanjeni su zahtevi za sintaksu datoteke ctdb.tunables. Pri izgradnji Sambe sa opcijama &#171;&#8212;with-cluster-support&#187; i &#171;&#8212;systemd-install-services&#187; obezbe\u0111ena je instalacija systemd servisa za CTDB. Isporuka skripte ctdbd_wrapper je prekinuta \u2014 proces ctdbd sada se pokre\u0107e direktno iz systemd servisa ili iz inicijalizacione skripte.\n<li class=\"l\"> Omogu\u0107ena je postavka &#8216;nt hash store = never&#8217; koja zabranjuje \u010duvanje &#171;golih&#187; (bez soli) he\u0161ova lozinki korisnika Active Directory. U slede\u0107oj verziji postavka &#8216;nt hash store&#8217; prema default-u bi\u0107e postavljena na vrednost &#171;auto&#187;, pri kojoj \u0107e se re\u017eim &#171;never&#187; primenjivati u slu\u010daju postavke &#8216;ntlm auth = disabled&#8217;.\n<li class=\"l\"> Predlagana je obdelava za dostop do API knji\u017enice smbconf iz kode v programskem jeziku Python.\n<li class=\"l\"> U programu smbstatus omogu\u0107ena je mogu\u0107nost izlaza informacija u JSON formatu (aktivira se opcijom &#171;&#8212;json&#187;).\n<li class=\"l\"> U kontroleru domena implementovana je podr\u0161ka za grupu bezbednosti &#171;Za\u0161ti\u0107eni korisnici&#187;, koja je uvedena u Windows Server 2012 R2 i onemogu\u0107ava kori\u0161\u0107enje nepouzdanih tipova \u0161ifrovanja (za korisnike u grupi onemogu\u0107ava se podr\u0161ka za NTLM autentifikaciju, Kerberos TGT-ovi zasnovani na RC4, ograni\u010deno i neograni\u010deno delegiranje).\n<li class=\"l\"> Prekinuta je podr\u0161ka za skladi\u0161te lozinki i metod autentifikacije zasnovan na LanMan-u (postavka &#171;lanman auth = yes&#187; sada nema zna\u010daj).<br \/>\n<br \/>Izvor: <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 5.0.5 - 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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