{"id":114258,"date":"2024-03-12T00:25:48","date_gmt":"2024-03-11T22:25:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-9-7"},"modified":"2024-03-12T00:25:48","modified_gmt":"2024-03-11T22:25:48","slug":"reliz-openssh-9-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/reliz-openssh-9-7","title":{"rendered":"Wydanie OpenSSH 9.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Opublikowano wydanie OpenSSH 9.7, otwartej implementacji klienta i serwera do pracy z protoko\u0142ami SSH 2.0 i SFTP. W oferowanej wersji rozpocz\u0119to wprowadzanie zmian, kt\u00f3re poprzedzaj\u0105 przysz\u0142e wycofanie wsparcia dla kluczy opartych na algorytmie DSA. W OpenSSH 9.7 dodano opcj\u0119 wy\u0142\u0105czenia DSA na etapie kompilacji, ale domy\u015blna kompilacja nadal zachowuje wsparcie dla DSA. W nast\u0119pnym wydaniu, planowanym na czerwiec, tryb budowy zostanie zmieniony na domy\u015blne wy\u0142\u0105czenie DSA, a na pocz\u0105tku 2025 roku implementacja DSA zostanie usuni\u0119ta z kodu.       <\/p>\n<p>Domy\u015blnie wsparcie dla kluczy DSA zako\u0144czono ju\u017c w 2015 roku, ale kod wsparcia dla DSA by\u0142 kompilowany domy\u015blnie, co pozwala\u0142o na jego ponowne w\u0142\u0105czenie poprzez ustawienia. Godne uwagi jest to, \u017ce algorytm DSA jest jedynym obowi\u0105zkowym do zaimplementowania w protokole SSHv2. Taki wym\u00f3g zosta\u0142 dodany, poniewa\u017c podczas tworzenia i zatwierdzania protoko\u0142u SSHv2 wszystkie alternatywne algorytmy podlega\u0142y patentom. Od tego czasu sytuacja uleg\u0142a zmianie, patenty zwi\u0105zane z RSA wygas\u0142y, dodano algorytm ECDSA, kt\u00f3ry znacznie przewy\u017csza DSA pod wzgl\u0119dem wydajno\u015bci i bezpiecze\u0144stwa, a tak\u017ce EdDSA, kt\u00f3ry jest bezpieczniejszy i szybszy od ECDSA.     <\/p>\n<p>Jedynym czynnikiem kontynuacji wsparcia dla DSA by\u0142a ch\u0119\u0107 zachowania kompatybilno\u015bci z przestarza\u0142ymi urz\u0105dzeniami. W obecnych warunkach koszty utrzymania niebezpiecznego algorytmu DSA nie s\u0105 uzasadnione, a jego usuni\u0119cie pozwoli stymulowa\u0107 zako\u0144czenie wsparcia dla DSA w innych implementacjach SSH i bibliotekach kryptograficznych.       <\/p>\n<p>Opr\u00f3cz zmian zwi\u0105zanych z DSA, w nowej wersji wprowadzono nowy typ timeout\u00f3w w ssh i sshd, aktywowany przez ustawienie warto\u015bci \u201eglobal\u201d w dyrektywie ChannelTimeout. W trybie tym OpenSSH \u015bledzi wszystkie otwarte kana\u0142y i zamyka je jednocze\u015bnie, je\u015bli w \u017cadnym z nich nie by\u0142o ruchu w okre\u015blonym czasie. Na przyk\u0142ad, gdy do hosta jednocze\u015bnie otwarte s\u0105 kana\u0142y dla sesji SSH i przekierowania x11, nowy tryb pozwala zamkn\u0105\u0107 oba kana\u0142y, je\u015bli s\u0105 nieaktywne, zamiast oddzielnego \u015bledzenia timeout\u00f3w dla ka\u017cdego kana\u0142u. W\u015br\u00f3d zmian odnotowano r\u00f3wnie\u017c znaczn\u0105 popraw\u0119 testowania zgodno\u015bci z projektem PuTTY.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60772\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 9.7, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c SSH 2.0 \u0438 SFTP. \u0412 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043d\u0430\u0447\u0430\u043b\u043e\u0441\u044c \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u043f\u0440\u0435\u0434\u0448\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0431\u0443\u0434\u0443\u0449\u0435\u043c\u0443 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043a\u043b\u044e\u0447\u0435\u0439 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 DSA. \u0412 OpenSSH 9.7 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043e\u043f\u0446\u0438\u044f \u0434\u043b\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f DSA \u043d\u0430 \u0441\u0442\u0430\u0434\u0438\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438, \u043d\u043e \u0441\u0431\u043e\u0440\u043a\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 DSA \u043f\u043e\u043a\u0430 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0430. \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435, [&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-114258","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 9.7, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 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