{"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\/hu\/blog\/news\/dns-push-uvedomleniya-poluchili-status-predlozhennogo-standarta","title":{"rendered":"A DNS Push \u00e9rtes\u00edt\u00e9sek javasolt szabv\u00e1ny st\u00e1tuszt kaptak","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az IETF (Internet Engineering Task Force) bizotts\u00e1g, amely az internet protokolljainak \u00e9s architekt\u00far\u00e1j\u00e1nak fejleszt\u00e9s\u00e9vel foglalkozik, befejezte<\/a><\/noindex> RFC-k\u00e9pz\u00e9s a \u201eDNS Push Notifications\u201d mechanizmushoz \u00e9s a hozz\u00e1 kapcsol\u00f3d\u00f3 specifik\u00e1ci\u00f3 k\u00f6zz\u00e9t\u00e9tele az azonos\u00edt\u00f3 alatt RFC 8765<\/a><\/noindex>. Az RFC «Javasolt szabv\u00e1ny» st\u00e1tuszt kapott, ezt k\u00f6vet\u0151en kezd\u0151dik a munka az RFC v\u00e1zlat standard st\u00e1tusz\u00e1nak (Draft Standard) megszerz\u00e9se \u00e9rdek\u00e9ben, ami t\u00e9nylegesen a protokoll teljes stabiliz\u00e1l\u00e1s\u00e1t \u00e9s az \u00f6sszes megjegyz\u00e9s figyelembev\u00e9tel\u00e9t jelenti.<\/p>\n

A \u201eDNS Push Notification\u201d mechanizmus lehet\u0151v\u00e9 teszi az \u00fcgyf\u00e9l sz\u00e1m\u00e1ra, hogy aszinkron m\u00f3don \u00e9rtes\u00edt\u00e9seket kapjon a DNS-szervert\u0151l a DNS-rekordok v\u00e1ltoz\u00e1sair\u00f3l, an\u00e9lk\u00fcl hogy id\u0151szakosan lek\u00e9rdezn\u00e9. A push-\u00e9rtes\u00edt\u00e9sek csak TCP-n kereszt\u00fcl, TLS over TCP biztons\u00e1gos csatorn\u00e1n t\u00f6rt\u00e9nnek. Az autoritat\u00edv DNS-szerver TCP-kapcsolatokat fogad a DNS Push Notification \u00fcgyfelekt\u0151l, akik el\u0151fizet\u00e9si k\u00e9relmet k\u00fcldenek bizonyos nevek \u00e9s DNS-rekordt\u00edpusok ir\u00e1nt. Az el\u0151fizet\u00e9si k\u00e9relem \u00e1tv\u00e9tele ut\u00e1n a szerver automatikusan \u00e9rtes\u00edt\u00e9seket k\u00fcld az \u00fcgyf\u00e9lnek a megadott rekordok v\u00e1ltoz\u00e1sair\u00f3l. <\/p>\n

Az \u00fcgyf\u00e9l a DNS Push Notification t\u00e1mogat\u00e1s\u00e1nak megl\u00e9t\u00e9t egy szok\u00e1sos DNS-k\u00e9relem k\u00fcld\u00e9s\u00e9vel hat\u00e1rozza meg, amely ellen\u0151rzi a \u201e_dns-push-tls._tcp.z\u00f3nan\u00e9v\u201d SRV-rekord l\u00e9tez\u00e9s\u00e9t, amely a feliratkoz\u00f3 DNS-szerverekre mutat. Az \u00fcgyf\u00e9l nem l\u00e9tez\u0151 rekordra is feliratkozhat, \u00e9s a szervernek \u00e9rtes\u00edtenie kell az \u00fcgyfelet, ha az a j\u00f6v\u0151ben megjelenik. Az \u00e9rtes\u00edt\u00e9sek csak akkor k\u00fcldhet\u0151k, ha akt\u00edv TCP-kapcsolat van a szerverrel, \u00e9s nem \u00e1llnak rendelkez\u00e9sre 24 \u00f3r\u00e1s nyomon k\u00f6vet\u00e9sre, a feliratkoz\u00e1st inaktivit\u00e1s eset\u00e9n (p\u00e9ld\u00e1ul ha az eszk\u00f6z \u00e1lom\u00e1llapotba ker\u00fcl) le kell mondani, \u00e9s csak k\u00f6zvetlen sz\u00fcks\u00e9g eset\u00e9n kell haszn\u00e1lni a live m\u00f3d v\u00e1ltoz\u00e1sainak k\u00f6vet\u00e9s\u00e9re. A push-\u00e9rtes\u00edt\u00e9sek TCP-csatorn\u00e1j\u00e1n kereszt\u00fcl szok\u00e1sos DNS-k\u00e9relmek is k\u00fcldhet\u0151k.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 «DNS Push Notifications» \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 «\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430», \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 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