{"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\/nl\/blog\/news\/odin-iz-kornevyh-dns-serverov-4-dnya-nahodilsya-v-rassinhronizirovannom-sostoyanii","title":{"rendered":"Een van de root DNS-servers was 4 dagen uit sync","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Een van de 13 root DNS-servers (c.root-servers.net) die de werking van de rootzone DNS (de eerste schakel in de keten van domeinnaamresolutie, die informatie geeft over de DNS-servers die de top-level domeinen bedienen en de sleutels voor hun verificatie via DNSSEC) ondersteunen, was vier dagen niet gesynchroniseerd met de andere root DNS-servers. De root DNS-server 'C' (192.33.4.12) wordt ondersteund door 12 servers die in verschillende landen zijn geplaatst. Al deze servers weergaven van 18 tot 22 mei geen wijzigingen in de rootzone, gaven verouderde gegevens weer en synchroniseerden niet met de rest van de rootinfrastructuur DNS.       <\/p>\n<p>In de betreffende periode werden er geen wijzigingen in de rootzone aangebracht, maar was er gepland om het werk aan de digitale handtekening DNSEC voor het top-level domein '.gov' bij te werken, dat plaatsvond als onderdeel van de overstap naar cryptografische sleutels op basis van het ECDSA-algoritme. Voor de ondertekening van de zone '.gov' in DNSSEC worden sinds kort de algoritmen 8 (RSA\/SHA-256) en 13 (ECDSA P-256\/SHA-256) gebruikt, maar algoritme 8 blijft actief. In het weekend was het gepland om een DS-record voor algoritme 13 aan de rootzone toe te voegen, waarna het proces van verwijdering van het DS-record voor algoritme 8 zou beginnen. Een soortgelijke vervanging was gepland voor het domein '.int'. Uiteindelijk zijn de met de ondersteuning van algoritme 13 verbonden DS-records voor de root- <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/\"   title=\"servers\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1542\">servers<\/a> overgedragen aan IANA, maar zijn nooit gepubliceerd, omdat na het opsporen van problemen het proces van sleutelvervanging werd stopgezet totdat de situatie met rootserver 'C' werd opgehelderd.         <\/p>\n<p>De werking van de root DNS-server 'C' wordt op basis van overeenkomsten met de ICANN-corporatie verzorgd door de Tier 1 backbone provider Cogent Communications, die in 53 landen is vertegenwoordigd. Enkele dagen voor het incident werden er problemen opgemerkt met de toegang vanaf het netwerk van Cogent Communications tot 1575 autonome systemen als gevolg van het stoppen van het peering met de Indiase Tier 1-provider Tata Communications.    <\/p>\n<p>Als reden voor het stopzetten van de updates voor de root DNS-zone wordt een storing in het monitoringsysteem genoemd, dat verantwoordelijk was voor het volgen van wijzigingen. De storing deed zich voor na een wijziging in de routering, die niet gerelateerd was aan de werking van de DNS-servers (gedetailleerde informatie over de redenen wordt voorlopig niet gegeven). Behalve de desynchronisatie zijn er geen schendingen in de verwerking van verzoeken naar de root DNS-server 'C' vastgesteld. De synchronisatie is volledig hersteld op 22 mei om 19:00 uur (MSK). Onder de mogelijke problemen die zich tijdens een langdurige desynchronisatie zouden kunnen voordoen, wordt de mogelijkheid genoemd dat verouderde gegevens over de sleutels die in DNSSEC worden gebruikt, en de adressen van de DNS-servers, die de service leveren, uitgeven. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/domain\/\"   title=\"domeinen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4058\">domeinen<\/a> niveau's.<br \/>\n<br \/>Bron: <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 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\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 5.0.3 - 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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