{"id":87049,"date":"2020-07-02T19:42:09","date_gmt":"2020-07-02T17:42:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dns-push-uvedomleniya-poluchili-status-predlozhennogo-standarta"},"modified":"2020-07-02T19:42:09","modified_gmt":"2020-07-02T17:42:09","slug":"dns-push-uvedomleniya-poluchili-status-predlozhennogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/dns-push-uvedomleniya-poluchili-status-predlozhennogo-standarta","title":{"rendered":"Le notifiche DNS Push hanno ricevuto lo status di standard proposto","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il Comitato IETF (Internet Engineering Task Force), responsabile dello sviluppo dei protocolli e dell'architettura di Internet, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.rfc-editor.org\/pipermail\/rfc-dist\/2020-June\/005592.html\">ha completato<\/a><\/noindex> formazione di un RFC per il meccanismo \u00abDNS Push Notifications\u00bb e pubblicazione della relativa specifica con identificatore <noindex><a rel=\"nofollow\" href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc8765.txt\">RFC 8765<\/a><\/noindex>. Il RFC ha ottenuto lo status di \u00abStandard Proposto\u00bb, dopodich\u00e9 inizier\u00e0 il lavoro per conferire al RFC lo status di Standard Bozza (Draft Standard), il che significa di fatto una completa stabilizzazione del protocollo e considerazione di tutti i commenti espressi.<\/p>\n<p>Il meccanismo \u00abDNS Push Notification\u00bb consente al cliente di ricevere notifiche in modo asincrono dal server DNS riguardanti le modifiche ai record DNS, senza la necessit\u00e0 di interrogarli periodicamente. Le notifiche Push vengono elaborate esclusivamente utilizzando un trasporto TCP con protezione della connessione tramite \u00abTLS over TCP\u00bb. Un server DNS autoritativo pu\u00f2 accettare connessioni TCP dai clienti DNS Push Notification che inviano richieste per iscriversi a nomi specifici e tipi di record DNS. Dopo aver ricevuto la richiesta di iscrizione, il server invier\u00e0 notifiche al cliente riguardo ai cambiamenti di detti record. <\/p>\n<p>Il cliente determina la presenza del supporto per DNS Push Notification inviando una normale query DNS che verifica l'esistenza del record SRV \u00ab_dns-push-tls._tcp.nome_zona\u00bb, che punta ai server DNS che gestiscono le iscrizioni. Il cliente pu\u00f2 anche iscriversi a un record inesistente, e il server deve notificare il cliente se questo appare in futuro. Le notifiche vengono inviate solo quando \u00e8 stata stabilita una connessione TCP con il server e non sono progettate per un monitoraggio continuo 24 ore su 24, 7 giorni su 7 \u2014 l'iscrizione deve essere annullata in caso di inattivit\u00e0 (ad esempio, quando il dispositivo entra in modalit\u00e0 di sospensione) e deve essere utilizzata solo quando \u00e8 strettamente necessario monitorare le modifiche in tempo reale. Attraverso il canale TCP stabilito per le notifiche Push possono essere inviate anche normali query DNS.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53276\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 &#171;DNS Push Notifications&#187; \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0443\u044e \u0441 \u043d\u0438\u043c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e \u043f\u043e\u0434 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u043c RFC 8765. RFC \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0441\u0442\u0430\u0442\u0443\u0441 &#171;\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430&#187;, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u043d\u0430\u0447\u043d\u0451\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u043e \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u044e RFC \u0441\u0442\u0430\u0442\u0443\u0441\u0430 \u0447\u0435\u0440\u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 (Draft Standard), \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043e\u0437\u043d\u0430\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u043b\u043d\u0443\u044e \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0438 \u0443\u0447\u0451\u0442 \u0432\u0441\u0435\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-87049","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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