{"id":100737,"date":"2021-07-11T10:23:55","date_gmt":"2021-07-11T08:23:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dns-over-https-budet-vklyuchyon-po-umolchaniyu-v-firefox-dlya-polzovatelej-iz-kanady"},"modified":"2021-07-11T10:23:55","modified_gmt":"2021-07-11T08:23:55","slug":"dns-over-https-budet-vklyuchyon-po-umolchaniyu-v-firefox-dlya-polzovatelej-iz-kanady","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dns-over-https-budet-vklyuchyon-po-umolchaniyu-v-firefox-dlya-polzovatelej-iz-kanady","title":{"rendered":"DNS-over-HTTPS bude ve Firefoxu ve v\u00fdchoz\u00edm nastaven\u00ed povolen pro u\u017eivatele z Kanady.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdvoj\u00e1\u0159i Firefoxu ozn\u00e1mili roz\u0161\u00ed\u0159en\u00ed pou\u017e\u00edv\u00e1n\u00ed re\u017eimu DNS p\u0159es HTTPS (DoH, DNS over HTTPS), kter\u00fd bude v\u00fdchoz\u00ed pro u\u017eivatele v Kanad\u011b (d\u0159\u00edve byl DoH v\u00fdchoz\u00ed pouze pro USA). Aktivace DoH pro u\u017eivatele v Kanad\u011b prob\u011bhne ve f\u00e1z\u00edch: 20. \u010dervence bude DoH aktivov\u00e1n pro 1 % u\u017eivatel\u016f v Kanad\u011b a pokud nedojde k ne\u010dekan\u00fdm probl\u00e9m\u016fm, pokryt\u00ed bude roz\u0161\u00ed\u0159eno na 100 % do konce z\u00e1\u0159\u00ed. <\/p>\n

P\u0159evod kanadsk\u00fdch u\u017eivatel\u016f Firefox na DoH prob\u00edh\u00e1 za \u00fa\u010dasti organizace CIRA (Canadian Internet Registration Authority), kter\u00e1 reguluje rozvoj internetu v Kanad\u011b a je odpov\u011bdn\u00e1 za dom\u00e9nu nejvy\u0161\u0161\u00edho \u0159\u00e1du \u201eca\u201c. Organizace CIRA se tak\u00e9 zapojila do programu TRR (Trusted Recursive Resolver) a byla za\u0159azena mezi poskytovatele DNS-over-HTTPS dostupn\u00fdch ve Firefoxu. <\/p>\n

Po aktivaci DoH se na syst\u00e9mu u\u017eivatele zobraz\u00ed varov\u00e1n\u00ed, kter\u00e9 umo\u017e\u0148uje v p\u0159\u00edpad\u011b pot\u0159eby odm\u00edtnout p\u0159echod na DoH a pokra\u010dovat v pou\u017e\u00edv\u00e1n\u00ed tradi\u010dn\u00edho zp\u016fsobu zas\u00edl\u00e1n\u00ed ne\u0161ifrovan\u00fdch dotaz\u016f na DNS server poskytovatele. Poskytovatele nebo deaktivaci DoH lze zm\u011bnit v nastaven\u00ed s\u00ed\u0165ov\u00e9ho p\u0159ipojen\u00ed. Krom\u011b DoH server\u016f CIRA je mo\u017en\u00e9 vybrat slu\u017eby Cloudflare a NextDNS.

\"DNS-over-HTTPS<\/center> <\/p>\n

Poskytovatel\u00e9 DoH nab\u00edzen\u00ed ve Firefoxu jsou vyb\u00edr\u00e1ni podle po\u017eadavk\u016f na d\u016fv\u011bryhodn\u00e9 DNS resolvery, podle kter\u00fdch m\u016f\u017ee DNS oper\u00e1tor pou\u017e\u00edvat z\u00edskan\u00e1 data pouze k zaji\u0161t\u011bn\u00ed slu\u017eby, nesm\u00ed uchov\u00e1vat logy d\u00e9le ne\u017e 24 hodin, nem\u016f\u017ee sd\u00edlet data s t\u0159et\u00edmi stranami a je povinen zve\u0159ejnit informace o zp\u016fsobech zpracov\u00e1n\u00ed dat. Slu\u017eba mus\u00ed tak\u00e9 poskytnout z\u00e1vazky, \u017ee nebude cenzurovat, filtrovat, zasahovat a blokovat DNS provoz, krom\u011b situac\u00ed, kdy je to vy\u017eadov\u00e1no z\u00e1konem. <\/p>\n

P\u0159ipom\u00edn\u00e1me, \u017ee DoH m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9 pro eliminaci \u00fanik\u016f informac\u00ed o po\u017eadovan\u00fdch n\u00e1zvech hostitel\u016f p\u0159es DNS servery poskytovatel\u016f, boj proti MITM \u00fatok\u016fm a podvr\u017een\u00ed DNS provozu (nap\u0159\u00edklad p\u0159i p\u0159ipojen\u00ed k ve\u0159ejn\u00e9 Wi-Fi), \u010del\u00ed blokac\u00edm na \u00farovni DNS (DoH nem\u016f\u017ee nahradit VPN<\/a> v oblasti obch\u00e1zen\u00ed blokac\u00ed, realizovan\u00fdch na \u00farovni DPI) nebo pro organizaci pr\u00e1ce v p\u0159\u00edpad\u011b, kdy nen\u00ed mo\u017en\u00e9 p\u0159\u00edm\u00e9 spojen\u00ed s DNS servery (nap\u0159\u00edklad p\u0159i pr\u00e1ci p\u0159es proxy). Pokud za norm\u00e1ln\u00edch okolnost\u00ed DNS dotazy jsou p\u0159\u00edmo odes\u00edl\u00e1ny na ur\u010dit\u00e9 v syst\u00e9mu konfigurovan\u00e9 DNS servery, pak v p\u0159\u00edpad\u011b DoH dotaz na ur\u010den\u00ed IP adres<\/a> hostitele je inkapsulov\u00e1n v HTTPS provozu a je zasl\u00e1n na HTTP server, na kter\u00e9m resolver zpracov\u00e1v\u00e1 po\u017eadavky pomoc\u00ed Web API. Existuj\u00edc\u00ed standard DNSSEC pou\u017e\u00edv\u00e1 \u0161ifrov\u00e1n\u00ed pouze pro autentizaci klienta a serveru, ale nechr\u00e1n\u00ed provoz p\u0159ed odposlechem a nezaji\u0161\u0165uje d\u016fv\u011brnost dotaz\u016f.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Firefox \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0438 \u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0440\u0435\u0436\u0438\u043c\u0430 DNS \u043f\u043e\u0432\u0435\u0440\u0445 HTTPS (DoH, DNS over HTTPS), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0432\u043a\u043b\u044e\u0447\u0451\u043d \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u041a\u0430\u043d\u0430\u0434\u044b (\u0440\u0430\u043d\u0435\u0435 DoH \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0421\u0428\u0410). \u0412\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 DoH \u0434\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u041a\u0430\u043d\u0430\u0434\u044b \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u043e \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u044d\u0442\u0430\u043f\u043e\u0432: 20 \u0438\u044e\u043b\u044f DoH \u0431\u0443\u0434\u0435\u0442 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d \u0434\u043b\u044f 1% \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u041a\u0430\u043d\u0430\u0434\u044b \u0438 \u0435\u0441\u043b\u0438 \u043d\u0435 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u0435\u0442 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":100738,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100737","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\udd47DNS-over-HTTPS bude zapnut\u00fd jako v\u00fdchoz\u00ed v Firefoxu pro u\u017eivatele z Kanady | ProHoster","description":"V\u00fdvoj\u00e1\u0159i Firefoxu ozn\u00e1mili roz\u0161\u00ed\u0159en\u00ed pou\u017eit\u00ed re\u017eimu DNS p\u0159es HTTPS (DoH, DNS over HTTPS), kter\u00fd bude pro u\u017eivatele z Kanady zapnut\u00fd jako v\u00fdchoz\u00ed (d\u0159\u00edve byl DoH jako v\u00fdchoz\u00ed 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