{"id":72754,"date":"2020-03-04T02:42:36","date_gmt":"2020-03-03T23:42:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/massovyj-otzyv-sertifikatov-lets-encrypt"},"modified":"2020-03-04T02:42:36","modified_gmt":"2020-03-03T23:42:36","slug":"massovyj-otzyv-sertifikatov-lets-encrypt","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/massovyj-otzyv-sertifikatov-lets-encrypt","title":{"rendered":"Masowe wycofanie certyfikat\u00f3w Let's Encrypt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Niezyskowy urz\u0105d certyfikacji Let's Encrypt, zarz\u0105dzany przez spo\u0142eczno\u015b\u0107 i oferuj\u0105cy certyfikaty bez op\u0142at dla wszystkich ch\u0119tnych, <noindex><a rel=\"nofollow\" href=\"https:\/\/community.letsencrypt.org\/t\/revoking-certain-certificates-on-march-4\/114864\">ostrzeg\u0142<\/a><\/noindex> o planowanej revokacji wielu wcze\u015bniej wydanych certyfikat\u00f3w TLS\/SSL. Z 116 milion\u00f3w obecnie aktywnych certyfikat\u00f3w Let's Encrypt zostanie odwo\u0142anych nieco ponad 3 miliony (2,6%), z kt\u00f3rych oko\u0142o 1 milion to duplikaty powi\u0105zane z jedn\u0105 domen\u0105 (b\u0142\u0105d ten dotkn\u0105\u0142 g\u0142\u00f3wnie certyfikaty, kt\u00f3re by\u0142y cz\u0119sto aktualizowane, dlatego jest tak wiele duplikat\u00f3w). Revokacja jest zaplanowana na 4 marca (dok\u0142adny czas nie zosta\u0142 jeszcze ustalony, ale revokacja zostanie przeprowadzona nie wcze\u015bniej ni\u017c o 3 w nocy czasu MSK).<\/p>\n<p>Konieczno\u015b\u0107 wycofania wynika z wykrytej 29 lutego <noindex><a rel=\"nofollow\" href=\"https:\/\/community.letsencrypt.org\/t\/2020-02-29-caa-rechecking-bug\/114591\">usterki<\/a><\/noindex>. Problem wyst\u0119puje od 25 lipca 2019 roku i dotyczy systemu weryfikacji zapis\u00f3w CAA w DNS. Zapis CAA (<noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc6844\">RFC-6844<\/a><\/noindex>, Autoryzacja Certyfikatu) pozwala w\u0142a\u015bcicielowi domeny jasno okre\u015bli\u0107, przez kt\u00f3ry urz\u0105d certyfikacji mog\u0105 by\u0107 generowane certyfikaty dla wskazanej domeny. Je\u015bli urz\u0105d certyfikacji nie jest wymieniony w zapisach CAA, ma obowi\u0105zek zablokowa\u0107 wydawanie certyfikat\u00f3w dla tej domeny i poinformowa\u0107 w\u0142a\u015bciciela domeny o pr\u00f3bach kompromitacji. W wi\u0119kszo\u015bci przypadk\u00f3w certyfikat jest \u017c\u0105dany natychmiast po pomy\u015blnym przej\u015bciu weryfikacji CAA, ale wynik weryfikacji jest uznawany za wa\u017cny przez kolejne 30 dni. Przepisy r\u00f3wnie\u017c nakazuj\u0105 przeprowadzenie ponownej weryfikacji najp\u00f3\u017aniej na 8 godzin przed wydaniem nowego certyfikatu (tj. je\u015bli od ostatniej weryfikacji min\u0119\u0142o 8 godzin, wymagana jest ponowna weryfikacja).<\/p>\n<p>B\u0142\u0105d pojawia si\u0119, gdy \u017c\u0105danie certyfikatu obejmuje jednocze\u015bnie kilka nazw domen, dla ka\u017cdej z kt\u00f3rych wymagana jest weryfikacja rekordu CAA. Istota b\u0142\u0119du polega na tym, \u017ce w momencie kolejnej weryfikacji, zamiast weryfikacji wszystkich domen, przeprowadzano ponown\u0105 weryfikacj\u0119 tylko jednej domeny z listy (je\u015bli w \u017c\u0105daniu by\u0142o N domen, zamiast N r\u00f3\u017cnych weryfikacji, jedna domena by\u0142a weryfikowana N razy). Dla pozosta\u0142ych domen ponowna weryfikacja nie by\u0142a wykonywana, a przy podejmowaniu decyzji wykorzystywano dane z pierwszej weryfikacji (tzn. wykorzystywano dane sprzed 30 dni). W rezultacie, w ci\u0105gu 30 dni po pierwszej weryfikacji Let's Encrypt m\u00f3g\u0142 wyda\u0107 certyfikat, nawet je\u015bli warto\u015b\u0107 rekordu CAA zosta\u0142a zmieniona i Let's Encrypt zosta\u0142 usuni\u0119ty z listy dozwolonych urz\u0119d\u00f3w certyfikacji.<\/p>\n<p>U\u017cytkownicy dotkni\u0119ci problemem otrzymali powiadomienia e-mail, je\u015bli przy uzyskiwaniu certyfikatu wype\u0142niono dane kontaktowe. Mo\u017cna sprawdzi\u0107 swoje certyfikaty, \u0142aduj\u0105c <noindex><a rel=\"nofollow\" href=\"https:\/\/d4twhgtvn0ff5.cloudfront.net\/caa-rechecking-incident-affected-serials.txt.gz\">lista<\/a><\/noindex> numery seryjne uniewa\u017cnionych certyfikat\u00f3w lub korzystaj\u0105c z <noindex><a rel=\"nofollow\" href=\"https:\/\/unboundtest.com\/caaproblem.html\">us\u0142ugi online<\/a><\/noindex> (hostowanej na adresie IP, <noindex><a rel=\"nofollow\" href=\"https:\/\/isitblockedinrussia.com\/?host=unboundtest.com\">zablokowanym<\/a><\/noindex> przez Roskomnadzor w RF). Mo\u017cna uzyska\u0107 numer seryjny certyfikatu dla interesuj\u0105cej domeny za pomoc\u0105 polecenia:<\/p>\n<p>   openssl s_client -connect example.com:443 -showcerts \/dev\/null \\<br \/>\n     | openssl x509 -text -noout | grep -A 1 Serial\\ Number | tr -d :<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52472\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Let&#8217;s Encrypt, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c, \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b \u043e \u043f\u0440\u0435\u0434\u0441\u0442\u043e\u044f\u0449\u0435\u043c \u043e\u0442\u0437\u044b\u0432\u0435 \u043c\u043d\u043e\u0433\u0438\u0445 \u0440\u0430\u043d\u0435\u0435 \u0432\u044b\u0434\u0430\u043d\u043d\u044b\u0445 TLS\/SSL \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432. \u0418\u0437 116 \u043c\u043b\u043d \u043d\u044b\u043d\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 Let&#8217;s Encrypt \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u043e\u0437\u0432\u0430\u043d\u043e \u0447\u0443\u0442\u044c \u0431\u043e\u043b\u044c\u0448\u0435 3 \u043c\u043b\u043d (2.6%), \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 1 \u043c\u043b\u043d \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0434\u0443\u0431\u043b\u0438\u043a\u0430\u0442\u0430\u043c\u0438, \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c\u0438 \u043a \u043e\u0434\u043d\u043e\u043c\u0443 \u0434\u043e\u043c\u0435\u043d\u0443 (\u043e\u0448\u0438\u0431\u043a\u0430 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u043b\u0430 \u043e\u0447\u0435\u043d\u044c \u0447\u0430\u0441\u0442\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c\u044b\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-72754","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=\"\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Let&#039;s Encrypt, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c,\" \/>\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\/pl\/blog\/news\/massovyj-otzyv-sertifikatov-lets-encrypt\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"pl_PL\" \/>\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\u041c\u0430\u0441\u0441\u043e\u0432\u044b\u0439 \u043e\u0442\u0437\u044b\u0432 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 Let&amp;apos;s Encrypt | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Let&#039;s Encrypt, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c,\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pl\/blog\/news\/massovyj-otzyv-sertifikatov-lets-encrypt\" \/>\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=\"2020-03-03T23:42:36+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-03-03T23:42:36+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\udd47Masowe uniewa\u017cnienie certyfikat\u00f3w Let's Encrypt | ProHoster","description":"Niekomercyjny urz\u0105d certyfikacji Let's Encrypt, kontrolowany przez spo\u0142eczno\u015b\u0107, oferuj\u0105cy certyfikaty bezp\u0142atnie ka\u017cdemu ch\u0119tnemu,","canonical_url":"https:\/\/prohoster.info\/pl\/blog\/news\/massovyj-otzyv-sertifikatov-lets-encrypt","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pl_PL","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\u041c\u0430\u0441\u0441\u043e\u0432\u044b\u0439 \u043e\u0442\u0437\u044b\u0432 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 Let&amp;apos;s Encrypt | ProHoster","og:description":"\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Let's Encrypt, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c,","og:url":"https:\/\/prohoster.info\/pl\/blog\/news\/massovyj-otzyv-sertifikatov-lets-encrypt","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":"2020-03-03T23:42:36+00:00","article:modified_time":"2020-03-03T23:42:36+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"72754","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 18:46:21","updated":"2022-09-28 12:43:03","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts\/72754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/comments?post=72754"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts\/72754\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/media?parent=72754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/categories?post=72754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/tags?post=72754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}