{"id":36712,"date":"2019-10-31T22:13:19","date_gmt":"2019-10-31T19:13:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https\/"},"modified":"2019-10-31T22:13:19","modified_gmt":"2019-10-31T19:13:19","slug":"v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","title":{"rendered":"W Firefoxie przeprowadzony zostanie eksperyment zwi\u0105zany z DNS-over-HTTPS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Deweloperzy Mozilla <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.mozilla.org\/futurereleases\/2019\/07\/31\/dns-over-https-doh-update-detecting-managed-networks-and-user-choice\/\">donie\u015bli<\/a><\/noindex> O przeprowadzeniu nowego badania w ramach przygotowa\u0144 do wprowadzenia funkcji odwo\u0142a\u0144 do DNS przez HTTPS (DoH, DNS przez HTTPS). W trakcie przeprowadzanego eksperymentu na systemach cz\u0119\u015bci u\u017cytkownik\u00f3w wyda\u0144 Firefox z USA zbierane b\u0119d\u0105 statystyki dotycz\u0105ce korzystania z system\u00f3w kontroli rodzicielskiej i korporacyjnych resolver\u00f3w. Rezygnacj\u0119 z udzia\u0142u w eksperymencie mo\u017cna zg\u0142osi\u0107 poprzez stron\u0119 &#171;about:studies&#187; (badanie jest wymienione na li\u015bcie jako &#171;Detection Logic for DNS-over-HTTPS&#187;).<\/p>\n<p>Do badania zostan\u0105 zebrane zanonimizowane dane, obejmuj\u0105ce jedynie liczniki, bez wskazywania konkretnych adres\u00f3w i domen. W celu identyfikacji system\u00f3w kontroli rodzicielskiej zostanie wys\u0142ane zapytanie o nazw\u0119 exampleadultsite.com, a je\u015bli nie b\u0119dzie si\u0119 zgadza\u0107 z rzeczywistym adresem IP, mo\u017cna uzna\u0107, \u017ce aktywna jest blokada tre\u015bci dla doros\u0142ych na poziomie DNS. Zostan\u0105 r\u00f3wnie\u017c ocenione <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/lir\/ipv4\/\"   title=\"adresy IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"633\">adresy IP<\/a> warto\u015bci zwracane dla Google i YouTube, w celu sprawdzenia ich zamiany na restrict.youtube.com, forcesafesearch.google.com i restrictmoderate.youtube.com. <\/p>\n<p>W celu zidentyfikowania u\u017cycia wewn\u0119trznych korporacyjnych resolver\u00f3w, okre\u015blone przy otwieraniu stron hosty b\u0119d\u0105 sprawdzane pod k\u0105tem u\u017cycia nietypowych domen najwy\u017cszego poziomu (TLD) oraz zwracania dla nich adres\u00f3w intranetowych. Motywem przeprowadzenia eksperymentu by\u0142y obawy, \u017ce w\u0142\u0105czenie domy\u015blnie DNS-over-HTTPS mo\u017ce zak\u0142\u00f3ci\u0107 dzia\u0142anie funkcjonuj\u0105cych poprzez DNS system\u00f3w kontroli rodzicielskiej, a tak\u017ce stworzy\u0107 problemy dla u\u017cytkownik\u00f3w sieci korporacyjnych, kt\u00f3re korzystaj\u0105 z serwer\u00f3w DNS dostarczaj\u0105cych informacje o wewn\u0119trznych domenach, niewidocznych w sieci zewn\u0119trznej.<\/p>\n<p>Przypomnijmy, \u017ce DoH mo\u017ce okaza\u0107 si\u0119 przydatny do eliminowania wyciek\u00f3w danych dotycz\u0105cych \u017c\u0105danych nazw host\u00f3w przez serwery DNS dostawcy, walki z atakami MITM oraz fa\u0142szowaniem ruchu DNS, przeciwdzia\u0142ania blokadom na poziomie DNS lub organizowania pracy w przypadku braku mo\u017cliwo\u015bci bezpo\u015bredniego dost\u0119pu do serwer\u00f3w DNS (na przyk\u0142ad podczas pracy przez proxy). W normalnej sytuacji zapytania DNS s\u0105 bezpo\u015brednio kierowane do okre\u015blonych w konfiguracji systemu serwer\u00f3w DNS, natomiast w przypadku DoH zapytanie o okre\u015blenie adresu IP hosta jest inkapsulowane w ruchu HTTPS i wysy\u0142ane do serwera HTTP, na kt\u00f3rym resolver przetwarza zapytania przez Web API. Istniej\u0105cy standard DNSSEC stosuje szyfrowanie wy\u0142\u0105cznie do autoryzacji klienta i serwera, ale nie chroni ruchu przed przechwyceniem i nie gwarantuje poufno\u015bci zapyta\u0144. <\/p>\n<p>Aby w\u0142\u0105czy\u0107 DoH w about:config, nale\u017cy zmieni\u0107 warto\u015b\u0107 zmiennej network.trr.mode, kt\u00f3ra jest obs\u0142ugiwana od Firefox 60. Warto\u015b\u0107 0 ca\u0142kowicie wy\u0142\u0105cza DoH; 1 \u2014 u\u017cywa DNS lub DoH, w zale\u017cno\u015bci od tego, co jest szybsze; 2 \u2014 u\u017cywa DoH domy\u015blnie, a DNS jako opcj\u0119 zapasow\u0105; 3 \u2014 u\u017cywa tylko DoH; 4 \u2014 tryb mirror, w kt\u00f3rym DoH i DNS s\u0105 u\u017cywane r\u00f3wnolegle. Domy\u015blnie u\u017cywany jest serwer DNS CloudFlare, ale mo\u017cna go zmieni\u0107 za pomoc\u0105 parametru network.trr.uri, na przyk\u0142ad na &#171;https:\/\/dns.google.com\/experimental&#187; lub &#171;https:\/\/9.9.9.9\/dns-query&#187;.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51204\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Mozilla \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u043e \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0433\u043e \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u043a \u0432\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a DNS \u043f\u043e\u0432\u0435\u0440\u0445 HTTPS (DoH, DNS over HTTPS). \u0412 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u043c\u043e\u0433\u043e \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0447\u0430\u0441\u0442\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0440\u0435\u043b\u0438\u0437\u043e\u0432 Firefox \u0438\u0437 \u0421\u0428\u0410 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0431\u0440\u0430\u043d\u0430 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0430 \u043e\u0431 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u0441\u0438\u0441\u0442\u0435\u043c \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0445 \u0440\u0435\u0437\u043e\u043b\u0432\u0435\u0440\u043e\u0432. \u041e\u0442\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0443\u0447\u0430\u0441\u0442\u0438\u044f \u0432 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0435 \u043c\u043e\u0436\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443 &#171;about:studies&#187; (\u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 [&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-36712","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Mozilla \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u043e \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pl\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https\" \/>\n\t<meta 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