{"id":95368,"date":"2020-09-28T13:42:14","date_gmt":"2020-09-28T11:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-8-4"},"modified":"2020-09-28T13:42:14","modified_gmt":"2020-09-28T11:42:14","slug":"reliz-openssh-8-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/reliz-openssh-8-4","title":{"rendered":"OpenSSH 8.4 v\u00e4ljaanne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast nelja kuu arendust\u00f6\u00f6d <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.mindrot.org\/pipermail\/openssh-unix-dev\/2020-September\/038826.html\">esitatud<\/a><\/noindex> v\u00e4ljaanne OpenSSH 8.4, avatud rakendus SSH 2.0 ja SFTP protokollide klient- ja serverite jaoks.<\/p>\n<p>Peamised muudatused:<\/p>\n<ul>\n<li class=\"l\"> Turvamuudatused:\n<ul>\n<li class=\"l\"> ssh-agendis FIDO v\u00f5tmete kasutamisel, mis ei ole loodud autentimiseks SSH kaudu (v\u00f5tme identifikaator ei alga s\u00f5naga &#171;ssh:&#187;), viiakse l\u00e4bi kontroll, et s\u00f5num allkirjastatakse SSH protokolli meetoditega. Muudatus ei v\u00f5imalda ssh-agendi suunamist kaugserveritesse, kus on FIDO v\u00f5tmed, et takistada nende v\u00f5tmete kasutamist veebiautentimise allkirjade loomisel (vastupidine juhtum, kus brauser v\u00f5ib allkirjastada SSH p\u00e4ringu, on algselt v\u00e4listatud, kasutades v\u00f5tme identifikaatoris prefiksina &#171;ssh:&#187;).\n<li class=\"l\"> ssh-keygenis on elukestva v\u00f5tme genereerimisel lisatud toimet credProtect, mis on kirjeldatud FIDO 2.1 spetsifikatsioonis, pakkudes v\u00f5tmetele t\u00e4iendavat kaitset, n\u00f5udes PIN-koodi sisestamist enne iga toimingut, mis v\u00f5ib p\u00f5hjustada elukestva v\u00f5tme v\u00e4ljatoomist tokenist.\n<\/ul>\n<li class=\"l\"> Muudatused, mis v\u00f5ivad rikkuda \u00fchilduvust:\n<ul>\n<li class=\"l\"> FIDO\/U2F tugi jaoks soovitatakse kasutada raamatukogu libfido2 v\u00e4hemalt versioonis 1.5.0. Osaliselt on realiseeritud ka vanemate versioonide kasutamise v\u00f5imalus, kuid sel juhul on sellised funktsioonid nagu elukohtade v\u00f5tmed, PIN-koodi n\u00f5udmine ja mitme tokeni \u00fchendamine saadaval.\n<li class=\"l\"> ssh-keygenis on FIDO v\u00f5tme genereerimise ajal valikuliselt salvestatavale kinnitusteabe formaadile lisatud autentikatori andmed, mis on vajalikud digitaalsete allkirjade kinnitamiseks.\n<li class=\"l\"> Muudetud on API-d, mida OpenSSH kasutab FIDO tokenite juurde p\u00e4\u00e4semiseks.\n<li class=\"l\"> OpenSSH-i kaasaskantava versiooni koostamiseks on n\u00fc\u00fcd automake vajalik configure skripti ja seotud koostamisfailide genereerimiseks (kui koostamine toimub avalikustatud tar-failist, siis configure'i uuesti genereerimist ei n\u00f5uta).\n<\/ul>\n<li class=\"l\"> ssh ja ssh-keygen on lisatud tugi FIDO v\u00f5tmetele, mis vajavad kinnitust PIN-koodi abil. ssh-keygenis on lisatud valik &#171;verify-required&#187; v\u00f5tmete genereerimiseks PIN-koodiga. Kuni s\u00e4\u00e4raste v\u00f5tmete kasutamine, k\u00fcsitakse kasutajalt allkirjastamise operatsiooni teostamise eel PIN-koodi sisestamist.\n<li class=\"l\"> sshd-s on authorized_keys seadistuses rakendatud valik &#171;verify-required&#187;, mis n\u00f5uab kasutaja kohaloleku verifitseerimise v\u00f5imaluste kasutamist tokendiga seotud operatsioonide ajal. FIDO standard h\u00f5lmab mitmeid selliseid verifitseerimise v\u00f5imalusi, kuid hetkel toetab OpenSSH ainult PIN-koodiga p\u00f5hinevat kontrolli.\n<li class=\"l\"> sshd ja ssh-keygen on lisatud digitaalsete allkirjade kontrollimise tugi, mis vastab FIDO Webauthn standardile, v\u00f5imaldades FIDO v\u00f5tmete kasutamist veebibrauserites.\n<li class=\"l\"> ssh-s, seadistustes CertificateFile,<br \/>\n   ControlPath, IdentityAgent, IdentityFile, LocalForward ja<br \/>\n   RemoteForwardis on lubatud keskkonnamuutujate v\u00e4\u00e4rtuste asendamine, mis on esitatud formaadis &#171;${ENV}&#187;. <\/p>\n<li class=\"l\"> ssh-s ja ssh-agendis on lisatud keskkonnamuutuja $SSH_ASKPASS_REQUIRE tugi, mida saab kasutada ssh-askpass'i v\u00e4ljundite lubamiseks v\u00f5i keelamiseks.\n<li class=\"l\"> ssh-s, ssh_config'is,labelAddKeysToAgent on lisatud v\u00f5imalus piirata v\u00f5tme kehtivusaega. P\u00e4rast m\u00e4\u00e4ratud limiidi m\u00f6\u00f6dumist eemaldatakse v\u00f5tmed automaatselt ssh-agentist.\n<li class=\"l\"> scp ja sftp-s on n\u00fc\u00fcd v\u00f5imalik lippu &#171;-A&#187; kasutades selges\u00f5naliselt lubada ssh-agendi suunamist (vaikimisi on suunamine keelatud).\n<li class=\"l\"> ssh seadetes on lisatud toe &#8216;%k&#8217; asendamine, mis m\u00e4\u00e4ratleb hosti v\u00f5tme nime. Seda v\u00f5imalust saab kasutada v\u00f5tmete jagamiseks eraldi failidesse (n\u00e4iteks &#171;UserKnownHostsFile ~\/.ssh\/known_hosts.d\/%k&#187;).\n<li class=\"l\"> Lubatud on kasutada operatsiooni &#171;ssh-add -d -&#187; v\u00f5tmete lugemiseks stdinist, mis tuleb eemaldada.\n<li class=\"l\"> SSHD logib \u00fchenduste piirangu protsessi alguse ja l\u00f5pu, mida reguleerib parameeter MaxStartups.\n<\/ul>\n<p>OpenSSH arendajad tuletasid meelde ka tulevase SHA-1 hash algoritmide eemaldamise, kuna <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52149\">kolletsioonir\u00fcnnakute efektiivsus kasvab<\/a><\/noindex> konflikti r\u00fcnnakute efektiivsuse osas (kokkuv\u00f5tte kollisiooni m\u00e4\u00e4rimise hind on hinnanguliselt umbes 45 000 dollarit). \u00dches j\u00e4rgmistest v\u00e4ljaannetest plaanitakse vaikevaates keelata avaliku v\u00f5tme digitaalallkirja algoritmi 'ssh-rsa' kasutamine, mis on mainitud SSH protokolli originaalses RFC-s ja on praktikas endiselt laialdaselt levinud (ssh-rsa rakendamise kontrollimiseks oma s\u00fcsteemides v\u00f5ib proovida ssh-ga \u00fchendust luua valikuga '-oHostKeyAlgorithms=-ssh-rsa').<\/p>\n<p>OpenSSH j\u00e4rgmises v\u00e4ljaandes on vaikes\u00e4tetena sisse l\u00fclitatud UpdateHostKeys, et sujuvamalt \u00fcleminek uutele algoritmidele, mis v\u00f5imaldab automaatselt suunata kliente usaldusv\u00e4\u00e4rsemate algoritmidega. Soovitatud migreerimise algoritmid h\u00f5lmavad rsa-sha2-256\/512, mis p\u00f5hineb RFC8332 RSA SHA-2 (toetatakse alates OpenSSH 7.2 ja kasutatakse vaikimisi), ssh-ed25519 (toetatakse alates OpenSSH 6.5) ja ecdsa-sha2-nistp256\/384\/521, mis p\u00f5hineb RFC5656 ECDSA (toetatakse alates OpenSSH 5.7). <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53793\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0447\u0435\u0442\u044b\u0440\u0451\u0445 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 8.4, \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. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e: \u0412 ssh-agent \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043a\u043b\u044e\u0447\u0435\u0439 FIDO, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0435 \u0434\u043b\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0447\u0435\u0440\u0435\u0437 SSH (\u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440 \u043a\u043b\u044e\u0447\u0430 \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u043d\u0435 \u0441\u043e \u0441\u0442\u0440\u043e\u043a\u0438 &#171;ssh:&#187;), \u0442\u0435\u043f\u0435\u0440\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430, \u0447\u0442\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0434\u043f\u0438\u0441\u0430\u043d\u043e \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c [&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-95368","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0447\u0435\u0442\u044b\u0440\u0451\u0445 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 8.4, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438.\" \/>\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\/et\/blog\/news\/reliz-openssh-8-4\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 OpenSSH 8.4 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0447\u0435\u0442\u044b\u0440\u0451\u0445 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 8.4, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/et\/blog\/news\/reliz-openssh-8-4\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-09-28T11:42:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-09-28T11:42:14+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47OpenSSH 8.4 v\u00e4ljaanne | ProHoster","description":"P\u00e4rast nelja kuu arendust\u00f6\u00f6d on v\u00e4lja antud OpenSSH 8.4, avatud rakenduse versioon.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/news\/reliz-openssh-8-4","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 OpenSSH 8.4 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0447\u0435\u0442\u044b\u0440\u0451\u0445 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 8.4, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438.","og:url":"https:\/\/prohoster.info\/et\/blog\/news\/reliz-openssh-8-4","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-09-28T11:42:14+00:00","article:modified_time":"2020-09-28T11:42:14+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"95368","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 11:07:31","updated":"2022-10-03 18:22:53","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/95368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/comments?post=95368"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/95368\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/media?parent=95368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/categories?post=95368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/tags?post=95368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}