{"id":72877,"date":"2020-03-05T08:42:10","date_gmt":"2020-03-05T05:42:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/letsencrypt-planiruet-otozvat-svoi-sertifikaty-iz-za-programmnoj-oshibki"},"modified":"2020-03-05T08:42:10","modified_gmt":"2020-03-05T05:42:10","slug":"letsencrypt-planiruet-otozvat-svoi-sertifikaty-iz-za-programmnoj-oshibki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/administrirovanie\/letsencrypt-planiruet-otozvat-svoi-sertifikaty-iz-za-programmnoj-oshibki","title":{"rendered":"LetsEncrypt envisage de r\u00e9voquer ses certificats en raison d'un bug logiciel.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"LetsEncrypt envisage de r\u00e9voquer ses certificats en raison d&#039;un bug logiciel.\" src=\"\/wp-content\/uploads\/2020\/03\/b954f1ddd1b367591a9548984f21cfbb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nLa soci\u00e9t\u00e9 LetsEncrypt, qui propose des certificats SSL gratuits pour le cryptage, est contrainte d'annuler certains certificats.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Le probl\u00e8me est li\u00e9 \u00e0 <noindex><a rel=\"nofollow\" href=\"https:\/\/community.letsencrypt.org\/t\/2020-02-29-caa-rechecking-bug\/114591\">une erreur logicielle<\/a><\/noindex> dans le logiciel de gestion Boulder, utilis\u00e9 pour \u00e9tablir l'AC. En g\u00e9n\u00e9ral, la v\u00e9rification de l'enregistrement DNS CAA se fait en m\u00eame temps que la confirmation de la propri\u00e9t\u00e9 du domaine, et la plupart des abonn\u00e9s re\u00e7oivent le certificat imm\u00e9diatement apr\u00e8s la v\u00e9rification. Cependant, les d\u00e9veloppeurs du logiciel ont configur\u00e9 le syst\u00e8me de mani\u00e8re \u00e0 ce que le r\u00e9sultat de la v\u00e9rification soit consid\u00e9r\u00e9 comme r\u00e9ussi pendant les 30 jours suivants. Dans certains cas, il est possible de v\u00e9rifier les enregistrements une deuxi\u00e8me fois, juste avant la d\u00e9livrance du certificat, notamment une v\u00e9rification r\u00e9p\u00e9t\u00e9e de la CAA dans les 8 heures pr\u00e9c\u00e9dant la d\u00e9livrance, donc tout domaine v\u00e9rifi\u00e9 avant cette p\u00e9riode doit \u00eatre rev\u00e9rifi\u00e9.<\/p>\n<p><\/p>\n<p>Quelle est donc l'erreur ? Si la demande de certificat contient N domaines n\u00e9cessitant une nouvelle v\u00e9rification CAA, Boulder en s\u00e9lectionnait un et le v\u00e9rifiait N fois. En cons\u00e9quence, il \u00e9tait possible de d\u00e9livrer un certificat, m\u00eame si par la suite (dans les 30 jours suivants) un enregistrement CAA \u00e9tait \u00e9tabli interdisant la d\u00e9livrance du certificat LetsEncrypt.<\/p>\n<p><\/p>\n<p>Pour v\u00e9rifier les certificats, la soci\u00e9t\u00e9 a pr\u00e9par\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/unboundtest.com\/caaproblem.html\">un outil en ligne<\/a><\/noindex>, qui fournira un rapport d\u00e9taill\u00e9.<\/p>\n<p><\/p>\n<p>Les utilisateurs avanc\u00e9s peuvent tout faire eux-m\u00eames en utilisant les commandes suivantes :<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\"># \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 https\nopenssl s_client -connect example.com:443 -showcerts &lt;\/dev\/null 2&gt;\/dev\/null | openssl x509 -text -noout | grep -A 1 Serial Number | tr -d :\n# \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043e\u0442 @simpleadmin \necho | openssl s_client -connect example.com:443 |&amp; openssl x509 -noout -serial\n# \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b SMTP\nopenssl s_client -connect example.com:25 -starttls smtp -showcerts &lt;\/dev\/null 2&gt;\/dev\/null | openssl x509 -text -noout | grep -A 1 Serial Number | tr -d :\n# \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b SMTP\nopenssl s_client -connect example.com:587 -starttls smtp -showcerts &lt;\/dev\/null 2&gt;\/dev\/null | openssl x509 -text -noout | grep -A 1 Serial Number | tr -d :\n# \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b IMAP\nopenssl s_client -connect example.com:143 -starttls imap -showcerts &lt;\/dev\/null 2&gt;\/dev\/null | openssl x509 -text -noout | grep -A 1 Serial Number | tr -d :\n# \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b IMAP\nopenssl s_client -connect example.com:993 -showcerts &lt;\/dev\/null 2&gt;\/dev\/null | openssl x509 -text -noout | grep -A 1 Serial Number | tr -d :\n# \u0432 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0435 \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0442\u0441\u044f \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u0441\u0435\u0440\u0432\u0438\u0441\u044b<\/code><\/pre>\n<p><\/p>\n<p>Il faut ensuite v\u00e9rifier <noindex><a rel=\"nofollow\" href=\"https:\/\/letsencrypt.org\/caaproblem\/\">ici<\/a><\/noindex> son num\u00e9ro de s\u00e9rie, et s'il figure sur la liste, il est recommand\u00e9 de mettre \u00e0 jour le(s) certificat(s).<\/p>\n<p><\/p>\n<p>Pour mettre \u00e0 jour les certificats, vous pouvez utiliser certbot :<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">certbot renew --force-renewal<\/code><\/pre>\n<p><\/p>\n<p>Le probl\u00e8me a \u00e9t\u00e9 identifi\u00e9 le 29 f\u00e9vrier 2020, et la d\u00e9livrance des certificats a \u00e9t\u00e9 suspendue de 3h10 UTC \u00e0 5h22 UTC. Selon une enqu\u00eate interne, l'erreur a \u00e9t\u00e9 introduite le 25 juillet 2019, un rapport plus d\u00e9taill\u00e9 sera fourni par la soci\u00e9t\u00e9 ult\u00e9rieurement.<\/p>\n<p><\/p>\n<p>UPD : le service de v\u00e9rification des certificats en ligne peut ne pas fonctionner avec des adresses IP russes.<\/p>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/490862\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f LetsEncrypt, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0430\u044f \u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044e \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0435 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b ssl \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0432\u044b\u043d\u0443\u0436\u0434\u0435\u043d\u0430 \u0430\u043d\u043d\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u0432 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u043c \u041f\u041e Boulder, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f CA. \u041e\u0431\u044b\u0447\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 DNS \u0437\u0430\u043f\u0438\u0441\u0438 CAA \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0441 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u0435\u043c \u0432\u043b\u0430\u0434\u0435\u043d\u0438\u044f \u0434\u043e\u043c\u0435\u043d\u043e\u043c, \u0430 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043f\u043e\u0434\u043f\u0438\u0441\u0447\u0438\u043a\u043e\u0432 \u043f\u043e\u043b\u0443\u0447\u0430\u044e\u0442 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442 \u0441\u0440\u0430\u0437\u0443 \u0436\u0435 \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438, \u043d\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u041f\u041e \u0441\u0434\u0435\u043b\u0430\u043b\u0438 \u0442\u0430\u043a, \u0447\u0442\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":72878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-72877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f.\" \/>\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\/fr\/blog\/administrirovanie\/letsencrypt-planiruet-otozvat-svoi-sertifikaty-iz-za-programmnoj-oshibki\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" 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