{"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\/ro\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","title":{"rendered":"\u00cen Firefox va avea loc un experiment legat de DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dezvoltatorii 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\/\">au raportat<\/a><\/noindex> despre realizarea unei noi cercet\u0103ri \u00een contextul preg\u0103tirii pentru implementarea func\u021biei de apelare a DNS-ului peste HTTPS (DoH, DNS over HTTPS). \u00cen cadrul experimentului desf\u0103\u0219urat, se va colecta statistica utiliz\u0103rii sistemelor de control parental \u0219i a rezolvatorilor corporativi de c\u0103tre utilizatorii din SUA care au versiuni ale Firefox. Participarea la experiment poate fi anulat\u0103 prin pagina &#171;about:studies&#187; (cercetarea este prezentat\u0103 \u00een list\u0103 ca &#171;Detection Logic for DNS-over-HTTPS&#187;).<\/p>\n<p>Pentru studiu, vor fi colectate date personalizate, incluz\u00e2nd doar contorii, f\u0103r\u0103 specificarea adreselor \u0219i domeniilor exacte. Pentru identificarea sistemelor de control parental, va fi trimis\u0103 o solicitare pentru determinarea numelui exampleadultsite.com, iar dac\u0103 acesta nu se potrive\u0219te cu adresa IP efectiv\u0103, se poate considera c\u0103 exist\u0103 o blocare a con\u021binutului pentru adul\u021bi la nivelul DNS-ului. De asemenea, vor fi evaluate <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/lir\/ipv4\/\"   title=\"adrese IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"633\">adrese IP<\/a> valorile returnate pentru Google \u0219i YouTube, pentru a verifica \u00eenlocuirea lor cu restrict.youtube.com, forcesafesearch.google.com \u0219i restrictmoderate.youtube.com. <\/p>\n<p>Pentru a identifica utilizarea rezolutorilor corporativi interne, serverele de g\u0103zduire identificate la deschiderea site-urilor vor fi verificate pentru utilizarea de domenii de nivel superior (TLD) neobi\u0219nuite \u0219i pentru returnarea de adrese intranet pentru acestea. Motivul desf\u0103\u0219ur\u0103rii experimentului au fost temerile c\u0103 activarea implicit\u0103 a DNS-over-HTTPS ar putea afecta func\u021bionarea sistemelor de control parental bazate pe DNS, precum \u0219i s\u0103 creeze probleme pentru utilizatorii re\u021belelor corporative care utilizeaz\u0103 servere DNS care ofer\u0103 informa\u021bii despre domeniile interne, invizibile \u00een re\u021beaua extern\u0103.<\/p>\n<p>Reamintim c\u0103 DoH poate fi util pentru a preveni scurgerile de informa\u021bii despre numele gazdelor solicitate prin serverele DNS ale furnizorilor, pentru a combate atacurile MITM \u0219i manipularea traficului DNS, pentru a contracara bloc\u0103rile la nivel DNS sau pentru a asigura func\u021bionarea \u00een cazul imposibilit\u0103\u021bii de a accesa direct serverele DNS (de exemplu, \u00een cazul utiliz\u0103rii unui proxy). \u00cen condi\u021bii normale, cererile DNS sunt trimise direct c\u0103tre serverele DNS specificate \u00een configura\u021bia sistemului, \u00eens\u0103 \u00een cazul DoH, cererea pentru determinarea adresei IP a gazdelor este \u00eencapsulat\u0103 \u00een traficul HTTPS \u0219i trimis\u0103 c\u0103tre un server HTTP, unde rezolvatorul proceseaz\u0103 cererile prin Web API. Standardul existent DNSSEC folose\u0219te criptarea doar pentru autentificarea clientului \u0219i serverului, dar nu protejeaz\u0103 traficul de interceptare \u0219i nu garanteaz\u0103 confiden\u021bialitatea cererilor. <\/p>\n<p>Pentru a activa DoH, \u00een about:config trebuie s\u0103 schimbi valoarea variabilei network.trr.mode, care este suportat\u0103 \u00eencep\u00e2nd cu Firefox 60. Valoarea 0 dezactiveaz\u0103 complet DoH; 1 &#8212; se folose\u0219te DNS sau DoH, \u00een func\u021bie de ce este mai rapid; 2 &#8212; se folose\u0219te DoH implicit, iar DNS ca variant\u0103 de rezerv\u0103; 3 &#8212; se folose\u0219te doar DoH; 4 &#8212; modul de mirroring, \u00een care DoH \u0219i DNS sunt folosite simultan. Implicit, se folose\u0219te serverul DNS CloudFlare, dar acesta poate fi schimbat prin parametrul network.trr.uri, de exemplu, se poate seta &#171;https:\/\/dns.google.com\/experimental&#187; sau &#171;https:\/\/9.9.9.9\/dns-query&#187;.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51204\">opennet.ro<\/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 5.0.2.1 - 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\/ro\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https\" \/>\n\t<meta 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