Unul dintre cele 13 servere r\u0103d\u0103cin\u0103 DNS (c.root-servers.net), care asigur\u0103 func\u021bionarea zonei r\u0103d\u0103cin\u0103 DNS (primul link din lan\u021bul de rezolvare a numelui de domeniu, oferind informa\u021bii despre serverele DNS care gestioneaz\u0103 domeniile de prim nivel \u0219i cheile pentru verificarea acestora prin DNSSEC), a fost timp de patru zile \u00een stare de ne-sincronizare cu celelalte servere r\u0103d\u0103cin\u0103 DNS. Func\u021bionarea serverului DNS r\u0103d\u0103cin\u0103 \u201eC\u201d (192.33.4.12) este asigurat\u0103 de 12 servere, amplasate \u00een diferite \u021b\u0103ri. Toate aceste servere, \u00eentre 18 \u0219i 22 mai, nu au reflectat modific\u0103rile din zona r\u0103d\u0103cin\u0103, au livrat date \u00eenvechite \u0219i nu s-au sincronizat cu restul infrastructurii r\u0103d\u0103cin\u0103 DNS. <\/p>\n
\u00cen perioada men\u021bionat\u0103 nu au fost aduse modific\u0103ri \u00een zona r\u0103d\u0103cin\u0103, dar a fost planificat\u0103 lucr\u0103ri de actualizare a semn\u0103turii digitale DNSEC pentru domeniul de prim nivel \u201e.gov\u201d, desf\u0103\u0219urate \u00een cadrul tranzi\u021biei la cheile criptografice bazate pe algoritmul ECDSA. Pentru validarea zonei \u201e.gov\u201d \u00een DNSSEC, \u00een ultimele vreme, se utilizeaz\u0103 algoritmii 8 (RSA\/SHA-256) \u0219i 13 (ECDSA P-256\/SHA-256), dar algoritmul 8 r\u0103m\u00e2ne activ. \u00cen weekend, era planificat s\u0103 se adauge \u00een zona r\u0103d\u0103cin\u0103 un \u00eenregistrare DS pentru algoritmul 13, dup\u0103 care s\u0103 \u00eenceap\u0103 procesul de eliminare a \u00eenregistr\u0103rii DS pentru algoritmul 8. O \u00eenlocuire similar\u0103 era planificat\u0103 \u0219i pentru domeniul \u201e.int\u201d. \u00cen cele din urm\u0103, \u00eenregistr\u0103rile DS legate de suportul algoritmului 13 pentru r\u0103d\u0103cin\u0103 servere<\/a> au fost transmise la IANA, dar nu au fost publicate, deoarece, dup\u0103 descoperirea problemelor, procesul de \u00eenlocuire a cheilor a fost suspendat p\u00e2n\u0103 la clarificarea situa\u021biei cu serverul r\u0103d\u0103cin\u0103 \u201eC\u201d. <\/p>\n Func\u021bionarea serverului DNS r\u0103d\u0103cin\u0103 \u201eC\u201d este asigurat\u0103 pe baza acordurilor cu corpora\u021bia ICANN de c\u0103tre furnizorul de transport de primul nivel (Tier 1) Cogent Communications, care este prezent \u00een 53 de \u021b\u0103ri. Cu c\u00e2teva zile \u00eenainte de incident, au fost raportate probleme de acces din re\u021beaua Cogent Communications c\u0103tre 1575 de sisteme autonome din cauza suspend\u0103rii peeringului cu furnizorul indian de primul nivel Tata Communications. <\/p>\n Motivul pentru oprirea actualiz\u0103rilor zonei DNS r\u0103d\u0103cin\u0103 este un defect al sistemului de monitorizare responsabil pentru urm\u0103rirea modific\u0103rilor. Defectul a ap\u0103rut dup\u0103 o modificare a rut\u0103rii, care nu a fost legat\u0103 de func\u021bionarea serverelor DNS (informa\u021bii detaliate despre cauze deocamdat\u0103 nu sunt furnizate). Pe l\u00e2ng\u0103 desincronizare, nu au fost \u00eenregistrate alte \u00eenc\u0103lc\u0103ri \u00een procesarea cererilor c\u0103tre serverul DNS r\u0103d\u0103cin\u0103 \u201eC\u201d. Sincronizarea a fost complet restabilit\u0103 pe 22 mai, la ora 19:00 (MSK). Printre problemele posibile, care ar fi putut ap\u0103rea pe parcursul desincroniz\u0103rii prelungite, se men\u021bioneaz\u0103 riscul de a furniza date \u00eenvechite despre cheile utilizate \u00een DNSSEC \u0219i despre adresele serverelor DNS care le deservesc. domenii<\/a> de nivel superior. \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 «\u0421» (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 […]<\/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\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Unul dintre serverele DNS r\u0103d\u0103cin\u0103 a fost \u00een stare 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Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"