{"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\/fr\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","title":{"rendered":"Un exp\u00e9riment va \u00eatre men\u00e9 dans Firefox concernant DNS-over-HTTPS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Les d\u00e9veloppeurs 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\/\">sur le site de l'entreprise. D\u00e9sormais, les utilisateurs peuvent ajouter un nombre illimit\u00e9 de morceaux \u00e0 leur biblioth\u00e8que.<\/a><\/noindex> sur la conduite d'une nouvelle \u00e9tude dans le cadre de la pr\u00e9paration \u00e0 l'impl\u00e9mentation de la fonction DNS over HTTPS (DoH, DNS sur HTTPS). Au cours de l'exp\u00e9rience, des statistiques sur l'utilisation des syst\u00e8mes de contr\u00f4le parental et des r\u00e9solveurs d'entreprise seront collect\u00e9es sur les syst\u00e8mes de certains utilisateurs des versions de Firefox aux \u00c9tats-Unis. Il est possible de se retirer de l'exp\u00e9rience via la page &#171;about:studies&#187; (l'\u00e9tude est pr\u00e9sent\u00e9e dans la liste sous le nom &#171;Detection Logic for DNS-over-HTTPS&#187;).<\/p>\n<p>Pour l'\u00e9tude, des donn\u00e9es anonymis\u00e9es seront collect\u00e9es, incluant uniquement des compteurs, sans indiquer d'adresses ou de domaines sp\u00e9cifiques. Pour identifier les syst\u00e8mes de contr\u00f4le parental, une requ\u00eate sera envoy\u00e9e pour d\u00e9terminer le nom exampleadultsite.com et si celui-ci ne correspond pas \u00e0 l'adresse IP r\u00e9elle, il est possible de conclure qu'une restriction de contenu adulte est active au niveau DNS. Des \u00e9valuations seront \u00e9galement faites. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/lir\/ipv4\/\"   title=\"adresses IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"633\">adresses IP<\/a> Les r\u00e9ponses pour Google et YouTube, afin de v\u00e9rifier leur substitution sur restrict.youtube.com, forcesafesearch.google.com et restrictmoderate.youtube.com. <\/p>\n<p>Pour identifier l'utilisation de r\u00e9solveurs d'entreprise internes, les h\u00f4tes d\u00e9termin\u00e9s lors de l'ouverture des sites seront v\u00e9rifi\u00e9s pour la pr\u00e9sence de domaines de premier niveau (TLD) atypiques et le retour d'adresses intranet. L'initiative de l'exp\u00e9rimentation d\u00e9coule des inqui\u00e9tudes selon lesquelles l'activation par d\u00e9faut de DNS-over-HTTPS pourrait perturber le fonctionnement des syst\u00e8mes de contr\u00f4le parental op\u00e9rant via DNS, et poser des probl\u00e8mes aux utilisateurs de r\u00e9seaux d'entreprise qui utilisent des serveurs DNS fournissant des informations sur des domaines internes non visibles sur le r\u00e9seau ext\u00e9rieur.<\/p>\n<p>Rappelons que DoH peut \u00eatre utile pour \u00e9viter les fuites d'informations sur les noms d'h\u00f4tes demand\u00e9s via les serveurs DNS des fournisseurs, lutter contre les attaques MITM et la substitution du trafic DNS, contrer les blocages au niveau DNS ou pour organiser le fonctionnement en cas d'impossibilit\u00e9 d'acc\u00e8s direct aux serveurs DNS (par exemple, lors du travail via un proxy). Si, dans une situation normale, les requ\u00eates DNS sont envoy\u00e9es directement aux serveurs DNS sp\u00e9cifi\u00e9s dans la configuration syst\u00e8me, alors dans le cas de DoH, la requ\u00eate pour d\u00e9terminer l'adresse IP de l'h\u00f4te est encapsul\u00e9e dans le trafic HTTPS et envoy\u00e9e \u00e0 un serveur HTTP, o\u00f9 le r\u00e9solveur traite les requ\u00eates via Web API. La norme existante DNSSEC utilise le chiffrement uniquement pour l'authentification du client et du serveur, mais ne prot\u00e8ge pas le trafic contre l'interception et ne garantit pas la confidentialit\u00e9 des requ\u00eates. <\/p>\n<p>Pour activer le DoH dans about:config, il faut modifier la valeur de la variable network.trr.mode, qui est prise en charge \u00e0 partir de Firefox 60. La valeur 0 d\u00e9sactive compl\u00e8tement le DoH ; 1 \u2014 utilise DNS ou DoH, selon ce qui est plus rapide ; 2 \u2014 utilise DoH par d\u00e9faut, avec DNS comme option de secours ; 3 \u2014 utilise uniquement DoH ; 4 \u2014 mode de miroir dans lequel DoH et DNS sont utilis\u00e9s en parall\u00e8le. Par d\u00e9faut, le serveur DNS de CloudFlare est utilis\u00e9, mais il peut \u00eatre modifi\u00e9 via le param\u00e8tre network.trr.uri, par exemple, on peut d\u00e9finir &#171;https:\/\/dns.google.com\/experimental&#187; ou &#171;https:\/\/9.9.9.9\/dns-query&#187;.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <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\/fr\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https\" \/>\n\t<meta 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