{"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\/es\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","title":{"rendered":"Firefox llevar\u00e1 a cabo un experimento relacionado con DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Desarrolladores de 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\/\">informaron<\/a><\/noindex> sobre la realizaci\u00f3n de un nuevo estudio en preparaci\u00f3n para la implementaci\u00f3n de la funci\u00f3n de consulta a DNS a trav\u00e9s de HTTPS (DoH, DNS sobre HTTPS). Durante el experimento que se llevar\u00e1 a cabo, se recopilar\u00e1 estad\u00edstica sobre el uso de sistemas de control parental y resolutores corporativos de una parte de los usuarios de las versiones de Firefox en EE. UU. Se puede optar por no participar en el experimento a trav\u00e9s de la p\u00e1gina 'about:studies' (el estudio aparece en la lista como 'Detecci\u00f3n de l\u00f3gica para DNS sobre HTTPS').<\/p>\n<p>Para el estudio, se recopilar\u00e1n datos anonimizados que incluyen solo contadores, sin especificar direcciones o dominios concretos. Para identificar sistemas de control parental, se enviar\u00e1 un request para resolver el nombre exampleadultsite.com y, si no coincide con la IP real, se puede concluir que hay una restricci\u00f3n de contenido para adultos a nivel de DNS. Tambi\u00e9n se evaluar\u00e1 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/lir\/ipv4\/\"   title=\"IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"633\">IP<\/a> las respuestas de Google y YouTube, para comprobar su redirecci\u00f3n a restrict.youtube.com, forcesafesearch.google.com y restrictmoderate.youtube.com. <\/p>\n<p>Para identificar el uso de resolvers corporativos internos, se verificar\u00e1n los hosts determinados al abrir sitios en busca de dominios de primer nivel (TLD) inusuales y su retorno a direcciones intranet. La motivaci\u00f3n para llevar a cabo el experimento fue la preocupaci\u00f3n de que la activaci\u00f3n por defecto de DNS-over-HTTPS pudiera afectar el funcionamiento de los sistemas de control parental que dependen de DNS, as\u00ed como crear problemas para los usuarios de redes corporativas que utilizan servidores DNS que devuelven informaci\u00f3n sobre dominios internos no visibles en la red externa.<\/p>\n<p>Recordemos que DoH puede ser \u00fatil para evitar filtraciones de informaci\u00f3n sobre los nombres de host solicitados a trav\u00e9s de los servidores DNS de los proveedores, para combatir ataques MITM y la suplantaci\u00f3n de tr\u00e1fico DNS, para enfrentar bloqueos a nivel DNS o para organizar el trabajo en caso de no poder contactar directamente a los servidores DNS (por ejemplo, al trabajar a trav\u00e9s de un proxy). En una situaci\u00f3n normal, las consultas DNS se env\u00edan directamente a los servidores DNS especificados en la configuraci\u00f3n del sistema, pero en el caso de DoH, la solicitud para determinar la direcci\u00f3n IP del host se encapsula en el tr\u00e1fico HTTPS y se env\u00eda a un servidor HTTP, donde el resolver procesa las solicitudes a trav\u00e9s de una API Web. El est\u00e1ndar existente DNSSEC utiliza cifrado solo para autenticar al cliente y al servidor, pero no protege el tr\u00e1fico de la interceptaci\u00f3n ni garantiza la confidencialidad de las consultas. <\/p>\n<p>Para activar DoH, en about:config se debe cambiar el valor de la variable network.trr.mode, que es compatible a partir de Firefox 60. El valor 0 desactiva completamente DoH; 1 usa DNS o DoH, dependiendo de cu\u00e1l sea m\u00e1s r\u00e1pido; 2 usa DoH por defecto, y DNS como opci\u00f3n de reserva; 3 solo utiliza DoH; 4 es un modo de espejo en el que DoH y DNS se utilizan simult\u00e1neamente. Por defecto, se utiliza el servidor DNS de CloudFlare, pero se puede cambiar mediante el par\u00e1metro network.trr.uri; por ejemplo, se puede establecer 'https:\/\/dns.google.com\/experimental' o 'https:\/\/9.9.9.9\/dns-query'.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <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 5.0.2 - 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\/es\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https\" \/>\n\t<meta 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