{"id":92230,"date":"2020-08-24T19:42:19","date_gmt":"2020-08-24T17:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium"},"modified":"2020-08-24T19:42:19","modified_gmt":"2020-08-24T17:42:19","slug":"pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium","title":{"rendered":"Szinte a f\u00e9le DNS gy\u00f6k\u00e9rkiszolg\u00e1l\u00f3k forgalm\u00e1t a Chromium aktivit\u00e1sa okozza","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az APNIC regisztr\u00e1tor, amely az IP-c\u00edmek eloszt\u00e1s\u00e1\u00e9rt felel\u0151s az \u00c1zsiai \u00e9s Csendes-\u00f3ce\u00e1ni r\u00e9gi\u00f3ban, k\u00f6zz\u00e9tett<\/a><\/noindex> az a.root-servers.net egyik gy\u00f6k\u00e9r DNS-szerver\u00e9n v\u00e9gzett forgalomelemz\u00e9s eredm\u00e9nyei. A gy\u00f6k\u00e9rszerverhez beny\u00fajtott k\u00e9r\u00e9sek 45,80%-a a Chromium motor alapj\u00e1n m\u0171k\u00f6d\u0151 b\u00f6ng\u00e9sz\u0151k \u00e1ltal v\u00e9gzett ellen\u0151rz\u00e9sekkel kapcsolatos. \u00cdgy a gy\u00f6k\u00e9r DNS-szerverek forr\u00e1saik k\u00f6zel fel\u00e9t diagnosztikai ellen\u0151rz\u00e9sek v\u00e9grehajt\u00e1s\u00e1ra haszn\u00e1lj\u00e1k, nem pedig a DNS-szerverekt\u0151l \u00e9rkez\u0151 k\u00e9r\u00e9sek feldolgoz\u00e1s\u00e1ra a gy\u00f6k\u00e9rz\u00f3n\u00e1k meghat\u00e1roz\u00e1sakor. Figyelembe v\u00e9ve, hogy a Chrome a webb\u00f6ng\u00e9sz\u0151k 70%-\u00e1t birtokolja, az ilyen diagnosztikai aktivit\u00e1s napi k\u00f6r\u00fclbel\u00fcl 60 milli\u00e1rd k\u00e9rd\u00e9s megk\u00fcld\u00e9s\u00e9hez vezet a gy\u00f6k\u00e9rszerverekhez.<\/p>\n

A diagnosztikai ellen\u0151rz\u00e9sek a Chromiumban arra szolg\u00e1lnak, hogy a szolg\u00e1ltat\u00f3k meghat\u00e1rozz\u00e1k, hogyan ir\u00e1ny\u00edtj\u00e1k a k\u00e9rd\u00e9seket nem l\u00e9tez\u0151 nevekhez. Az ilyen rendszereket n\u00e9h\u00e1ny szolg\u00e1ltat\u00f3 alkalmazza, hogy saj\u00e1t magukhoz ir\u00e1ny\u00edts\u00e1k a forgalmat a hib\u00e1san be\u00edrt domainnevekhez — \u00e1ltal\u00e1ban a nem l\u00e9tez\u0151 domainekhez hiba\u00fczenetkez\u0151 oldalak jelennek meg, helyes nevek esetleges list\u00e1j\u00e1val \u00e9s hirdet\u00e9sekkel. Ez a tev\u00e9kenys\u00e9g teljesen megsemmis\u00edti a b\u00f6ng\u00e9sz\u0151k intranet hosztok azonos\u00edt\u00e1s\u00e1nak logik\u00e1j\u00e1t.<\/p>\n

Egy keres\u00e9si k\u00e9rd\u00e9s feldolgoz\u00e1sakor, ha csak egy sz\u00f3t \u00edrnak be pontok n\u00e9lk\u00fcl az URL-cs\u00edkba, a b\u00f6ng\u00e9sz\u0151 el\u0151sz\u00f6r pr\u00f3b\u00e1lja<\/a><\/noindex> meghat\u00e1rozni ezt a sz\u00f3t a DNS-ben, felt\u00e9telezve, hogy a felhaszn\u00e1l\u00f3 egy intranet oldalra pr\u00f3b\u00e1l hozz\u00e1f\u00e9rni a bels\u0151 h\u00e1l\u00f3zatban, \u00e9s nem keres\u0151motorhoz k\u00fcld k\u00e9relmet. Ha a szolg\u00e1ltat\u00f3 \u00e1tir\u00e1ny\u00edtja a k\u00e9rd\u00e9seket a nem l\u00e9tez\u0151 domainnevekre, a felhaszn\u00e1l\u00f3knak probl\u00e9m\u00e1juk ad\u00f3dik — b\u00e1rmely egy sz\u00f3b\u00f3l \u00e1ll\u00f3 keres\u00e9si k\u00e9rd\u00e9s, amit a c\u00edmsorba be\u00edrnak, az szolg\u00e1ltat\u00f3 oldalaira ir\u00e1ny\u00edt\u00f3dik, nem pedig a keres\u0151motorhoz.<\/p>\n

A felmer\u00fclt probl\u00e9ma megold\u00e1s\u00e1ra a Chromium fejleszt\u0151i tov\u00e1bbi ellen\u0151rz\u00e9seket<\/a><\/noindex>, amelyek a tov\u00e1bb\u00edt\u00e1sok \u00e9szlel\u00e9se eset\u00e9n megv\u00e1ltoztatj\u00e1k a k\u00e9r\u00e9sek URL-cs\u00edkban t\u00f6rt\u00e9n\u0151 feldolgoz\u00e1s\u00e1nak logik\u00e1j\u00e1t.
\nMinden ind\u00edt\u00e1skor, DNS-be\u00e1ll\u00edt\u00e1sok megv\u00e1ltoztat\u00e1sakor vagy IP-c\u00edm v\u00e1lt\u00e1sakor a b\u00f6ng\u00e9sz\u0151 h\u00e1rom DNS-lek\u00e9rdez\u00e9st k\u00fcld v\u00e9letlenszer\u0171en gener\u00e1lt els\u0151 szint\u0171 domain nevekkel, amelyek val\u00f3sz\u00edn\u0171leg nem l\u00e9teznek. A nevek 7 \u00e9s 15 latin bet\u0171b\u0151l \u00e1llnak (pontok n\u00e9lk\u00fcl), \u00e9s arra szolg\u00e1lnak, hogy a szolg\u00e1ltat\u00f3 azonos\u00edthassa a nem l\u00e9tez\u0151 domainnevek \u00e1tir\u00e1ny\u00edt\u00e1s\u00e1t a saj\u00e1t hosztj\u00e1ra. Ha a h\u00e1rom HTTP-lek\u00e9rdez\u00e9s feldolgoz\u00e1sa sor\u00e1n k\u00e9t lek\u00e9rdez\u00e9s azonos oldalra ir\u00e1ny\u00edt, akkor a Chromium azt felt\u00e9telezi, hogy a felhaszn\u00e1l\u00f3 egy k\u00fcls\u0151 oldalra ker\u00fclt.<\/p>\n

A Chromium aktivit\u00e1s\u00e1nak azonos\u00edt\u00e1s\u00e1hoz a gy\u00f6k\u00e9r DNS-szerver \u00e1ltal kezelt lek\u00e9rdez\u00e9sekb\u0151l a szokatlan m\u00e9ret\u0171 els\u0151 szint\u0171 domain neveket (7 \u00e9s 15 bet\u0171 k\u00f6z\u00f6tti) \u00e9s a lek\u00e9rdez\u00e9sek ism\u00e9tl\u0151d\u00e9si t\u00e9nyez\u0151j\u00e9t haszn\u00e1lt\u00e1k (a nevek minden alkalommal v\u00e9letlenszer\u0171en gener\u00e1l\u00f3dtak \u00e9s nem ism\u00e9tl\u0151dtek).
\nA napl\u00f3ban el\u0151sz\u00f6r kisz\u0171rt\u00e9k a nem l\u00e9tez\u0151 domainnevekre vonatkoz\u00f3 lek\u00e9rdez\u00e9seket (78,09%), majd azokat a lek\u00e9rdez\u00e9seket, amelyek h\u00e1rom alkalomn\u00e1l nem ism\u00e9tl\u0151dtek (51,41%), v\u00e9g\u00fcl kisz\u0171rt\u00e9k az 7-15 bet\u0171t tartalmaz\u00f3 domainneveket (45,80%). \u00c9rdekes, hogy csak a lek\u00e9rdez\u00e9sek 21,91%-a volt kapcsol\u00f3d\u00f3 a l\u00e9tez\u0151 domainnevek meghat\u00e1roz\u00e1s\u00e1hoz a gy\u00f6k\u00e9r szerverekhez.<\/p>\n

\"Szinte<\/a><\/noindex><\/center><\/p>\n

A kutat\u00e1s sor\u00e1n a a.root-servers.net \u00e9s j.root-servers.net gy\u00f6k\u00e9rszerverekre nehezed\u0151 terhel\u00e9s n\u00f6veked\u00e9s\u00e9nek a Chrome n\u00e9pszer\u0171s\u00e9g\u00e9nek n\u00f6veked\u00e9s\u00e9vel val\u00f3 \u00f6sszef\u00fcgg\u00e9s\u00e9t is vizsg\u00e1lt\u00e1k.<\/p>\n

\"Szinte<\/a><\/noindex><\/center><\/p>\n

A Firefox eset\u00e9ben a DNS-en kereszt\u00fcli \u00e1tir\u00e1ny\u00edt\u00e1s ellen\u0151rz\u00e9si folyamata korl\u00e1toz\u00f3dik<\/a><\/noindex> az autentik\u00e1l\u00f3 oldalakra (captive portal) val\u00f3 \u00e1tir\u00e1ny\u00edt\u00e1s meghat\u00e1roz\u00e1s\u00e1ra \u00e9s implement\u00e1lva lettek<\/a><\/noindex> a a<\/a><\/noindex> \u00e1lland\u00f3 almennyes «detectportal.firefox.com» an\u00e9lk\u00fcl, hogy lek\u00e9rdezn\u00e9k az els\u0151 szint\u0171 domainneveket. Az ilyen viselked\u00e9s nem terheli meg a gy\u00f6k\u00e9r DNS szervereket, de potenci\u00e1lisan lehet \u00fagy tekinthet\u0151<\/a><\/noindex> mint a felhaszn\u00e1l\u00f3 IP-c\u00edm\u00e9hez kapcsol\u00f3d\u00f3 szem\u00e9lyes adatok kisziv\u00e1rg\u00e1sa (minden ind\u00edt\u00e1skor lek\u00e9rdezi az «detectportal.firefox.com\/success.txt» oldalt). A Firefoxban a «network.captive-portal-service.enabled» be\u00e1ll\u00edt\u00e1s lehet\u0151v\u00e9 teszi a vizsg\u00e1latok kikapcsol\u00e1s\u00e1t, amelyet az «about:config» oldalon m\u00f3dos\u00edthatunk.<\/p>\n

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

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

\u0420\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440 APNIC, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 IP-\u0430\u0434\u0440\u0435\u0441\u043e\u0432 \u0432 \u0410\u0437\u0438\u0430\u0442\u0441\u043a\u043e-\u0422\u0438\u0445\u043e\u043e\u043a\u0435\u0430\u043d\u0441\u043a\u043e\u043c \u0440\u0435\u0433\u0438\u043e\u043d\u0435, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u0445 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 a.root-servers.net. 45.80% \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u043c\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u043e\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c \u0441\u0432\u044f\u0437\u0430\u043d\u044b \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u043c\u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u043c\u0438 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0434\u0432\u0438\u0436\u043a\u0430 Chromium. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043f\u043e\u0447\u0442\u0438 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u0430 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u0445 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0443\u0445\u043e\u0434\u0438\u0442 \u043d\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0434\u0438\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u043a Chromium, \u0430 \u043d\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043e\u0442 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u043f\u0440\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":92231,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-92230","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A gy\u00f6k\u00e9r DNS-szerverekhez vezetett forgalom k\u00f6zel fele a Chromium aktivit\u00e1s\u00e1b\u00f3l sz\u00e1rmazik | ProHoster","description":"Az APNIC regisztr\u00e1tor, amely az IP-c\u00edmek eloszt\u00e1s\u00e1\u00e9rt felel\u0151s az \u00c1zsiai \u00e9s Csendes-\u00f3ce\u00e1ni r\u00e9gi\u00f3ban,","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u043e\u0447\u0442\u0438 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043d\u0430 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u0435 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u044b \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c\u044e Chromium | ProHoster","og:description":"\u0420\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440 APNIC, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 IP-\u0430\u0434\u0440\u0435\u0441\u043e\u0432 \u0432 \u0410\u0437\u0438\u0430\u0442\u0441\u043a\u043e-\u0422\u0438\u0445\u043e\u043e\u043a\u0435\u0430\u043d\u0441\u043a\u043e\u043c \u0440\u0435\u0433\u0438\u043e\u043d\u0435,","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-08-24T17:42:19+00:00","article:modified_time":"2020-08-24T17:42:19+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"92230","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 12:12:28","updated":"2022-10-02 11:58:00","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/92230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=92230"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/92230\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media\/92231"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=92230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=92230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=92230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}