{"id":116094,"date":"2024-05-26T14:59:21","date_gmt":"2024-05-26T12:59:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/odin-iz-kornevyh-dns-serverov-4-dnya-nahodilsya-v-rassinhronizirovannom-sostoyanii"},"modified":"2024-05-26T14:59:21","modified_gmt":"2024-05-26T12:59:21","slug":"odin-iz-kornevyh-dns-serverov-4-dnya-nahodilsya-v-rassinhronizirovannom-sostoyanii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/odin-iz-kornevyh-dns-serverov-4-dnya-nahodilsya-v-rassinhronizirovannom-sostoyanii","title":{"rendered":"L'un des serveurs DNS racine \u00e9tait hors synchronisation pendant 4 jours","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Un des 13 serveurs racine DNS (c.root-servers.net), qui assurent le fonctionnement de la zone racine DNS (premi\u00e8re \u00e9tape dans la cha\u00eene de r\u00e9solution des noms de domaine, fournissant des informations sur les serveurs DNS qui g\u00e8rent les domaines de premier niveau et sur les cl\u00e9s n\u00e9cessaires \u00e0 leur v\u00e9rification via DNSSEC), a \u00e9t\u00e9 en \u00e9tat de non-synchronisation avec les autres serveurs DNS racines pendant quatre jours. Le serveur DNS racine \u00ab C \u00bb (192.33.4.12) est g\u00e9r\u00e9 par 12 serveurs situ\u00e9s dans diff\u00e9rents pays. Tous ces serveurs, du 18 au 22 mai, n'ont pas refl\u00e9t\u00e9 les modifications de la zone racine, ont fourni des donn\u00e9es obsol\u00e8tes et n'ont pas \u00e9t\u00e9 synchronis\u00e9s avec le reste de l'infrastructure racine DNS.       <\/p>\n<p>Au cours de cette p\u00e9riode, aucune modification n'a \u00e9t\u00e9 apport\u00e9e \u00e0 la zone racine, mais des travaux \u00e9taient pr\u00e9vus pour mettre \u00e0 jour la signature num\u00e9rique DNSEC pour le domaine de premier niveau \u00ab .gov \u00bb, dans le cadre de la transition vers des cl\u00e9s cryptographiques bas\u00e9es sur l'algorithme ECDSA. Pour certifier la zone \u00ab .gov \u00bb dans DNSSEC, les algorithmes 8 (RSA\/SHA-256) et 13 (ECDSA P-256\/SHA-256) sont r\u00e9cemment utilis\u00e9s, mais l'algorithme 8 reste actif. Au cours du week-end, il \u00e9tait pr\u00e9vu d'ajouter un enregistrement DS pour l'algorithme 13 dans la zone racine, apr\u00e8s quoi le processus de suppression de l'enregistrement DS pour l'algorithme 8 commencerait. Un remplacement similaire \u00e9tait \u00e9galement pr\u00e9vu pour le domaine \u00ab .int \u00bb. En cons\u00e9quence, les enregistrements DS li\u00e9s au support de l'algorithme 13 pour la racine <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/\"   title=\"serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1542\">serveurs<\/a> ont \u00e9t\u00e9 transmis \u00e0 l'IANA, mais n'ont jamais \u00e9t\u00e9 publi\u00e9s, car apr\u00e8s la d\u00e9couverte de probl\u00e8mes, le processus de remplacement des cl\u00e9s a \u00e9t\u00e9 suspendu jusqu'\u00e0 clarification de la situation avec le serveur racine \u00ab C \u00bb.         <\/p>\n<p>Le fonctionnement du serveur DNS racine \u00ab C \u00bb est assur\u00e9 par l'accord avec l'organisation ICANN par le fournisseur de niveau 1 (Tier 1) Cogent Communications, pr\u00e9sent dans 53 pays. Quelques jours avant l'incident, des probl\u00e8mes d'acc\u00e8s \u00e9taient signal\u00e9s depuis le r\u00e9seau de Cogent Communications vers 1575 syst\u00e8mes autonomes en raison de la cessation de l'interconnexion avec le fournisseur de niveau 1 indien Tata Communications.    <\/p>\n<p>La raison de l'interruption des mises \u00e0 jour pour la zone DNS racine est cit\u00e9e comme une d\u00e9faillance du syst\u00e8me de surveillance charg\u00e9 de suivre les changements. Cette d\u00e9faillance est survenue apr\u00e8s un changement de routage non li\u00e9 \u00e0 l'op\u00e9ration des serveurs DNS (des informations d\u00e9taill\u00e9es sur les raisons ne sont pas encore fournies). En dehors de la d\u00e9synchronisation, aucune violation lors du traitement des requ\u00eates vers le serveur DNS racine \"C\" n'a \u00e9t\u00e9 enregistr\u00e9e. La synchronisation a \u00e9t\u00e9 compl\u00e8tement r\u00e9tablie le 22 mai \u00e0 19 heures (MSK). Parmi les probl\u00e8mes potentiels qui auraient pu survenir lors de cette longue d\u00e9synchronisation, on note la possibilit\u00e9 de d\u00e9livrer des informations obsol\u00e8tes sur les cl\u00e9s utilis\u00e9es dans DNSSEC, ainsi que sur les adresses des serveurs DNS qui les g\u00e8rent. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/domain\/\"   title=\"domaines\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4058\">domaines<\/a> niveau sup\u00e9rieur.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61249\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u0434\u0438\u043d \u0438\u0437 13 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 DNS (c.root-servers.net), \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0440\u0430\u0431\u043e\u0442\u0443 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u0437\u043e\u043d\u044b DNS (\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0435 \u0437\u0432\u0435\u043d\u043e \u0432 \u0446\u0435\u043f\u043e\u0447\u043a\u0435 \u0440\u0435\u0437\u043e\u043b\u0432\u0438\u043d\u0433\u0430 \u0434\u043e\u043c\u0435\u043d\u043d\u044b\u0445 \u0438\u043c\u0451\u043d, \u043e\u0442\u0434\u0430\u044e\u0449\u0435\u0435 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445, \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0434\u043e\u043c\u0435\u043d\u044b \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f, \u0438 \u043a\u043b\u044e\u0447\u0430\u0445 \u0434\u043b\u044f \u0438\u0445 \u0432\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 DNSSEC) \u0447\u0435\u0442\u044b\u0440\u0435 \u0434\u043d\u044f \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u0441\u044f \u0432 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438, \u043d\u0435 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0441 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u043c\u0438 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c\u0438. \u0420\u0430\u0431\u043e\u0442\u0443 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 &#171;\u0421&#187; (192.33.4.12) \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 12 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d\u043d\u044b\u0445 [&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-116094","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u0434\u0438\u043d \u0438\u0437 13 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 DNS (c.root-servers.net), \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0440\u0430\u0431\u043e\u0442\u0443 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u0437\u043e\u043d\u044b DNS (\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0435 \u0437\u0432\u0435\u043d\u043e \u0432 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