{"id":38121,"date":"2019-10-31T22:21:46","date_gmt":"2019-10-31T19:21:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-chrome-78-nachnutsya-eksperimenty-s-vklyucheniem-dns-over-https\/"},"modified":"2019-10-31T22:21:46","modified_gmt":"2019-10-31T19:21:46","slug":"v-chrome-78-nachnutsya-eksperimenty-s-vklyucheniem-dns-over-https","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/v-chrome-78-nachnutsya-eksperimenty-s-vklyucheniem-dns-over-https","title":{"rendered":"Chrome 78-s algavad eksperimendid DNS-over-HTTPS-i sissel\u00fclitamisega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Peale selle Mozilla<\/a><\/noindex> ettev\u00f5te Google teatas<\/a><\/noindex> katse korraldamise kavatsus katsetada Google Chrome'i brauseris rakendatud \"DNS \u00fcle HTTPS\" (DoH, DNS over HTTPS). Chrome 78 v\u00e4ljalaskmine on planeeritud 22. oktoobriks, et teatud kasutajate r\u00fchmad saavad selle vaikimisi. \u00fcle<\/a><\/noindex> DoH kasutuselev\u00f5tu. DoH-i katsetuses osaleb ainult need kasutajad, kelle s\u00fcsteemi seadetes on m\u00e4\u00e4ratud teatud DNS-teenusepakkujad, mis on DoH-iga \u00fchilduvad. <\/p>\n

DNS-teenusepakkujate valgesse nimekirja on lisatud teenuseid<\/a><\/noindex> Google (8.8.8.8, 8.8.4.4), Cloudflare (1.1.1.1, 1.0.0.1), OpenDNS (208.67.222.222, 208.67.220.220), Quad9 (9.9.9.9, 149.112.112.112), Cleanbrowsing (185.228.168.168, 185.228.169.168) ja DNS.SB (185.222.222.222, 185.184.222.222). Kui kasutaja DNS-seadetes on \u00fcks eespool nimetatud DNS-serveritest, siis saab DoH Chrome'is vaikimisi aktiveeritud. Need, kes kasutavad kohaliku Interneti-teenusepakkuja DNS-servereid, j\u00e4\u00e4vad alles samaks ja DNS-p\u00e4ringute jaoks j\u00e4tkatakse s\u00fcsteemi resolveri kasutamist. <\/p>\n

Oluline erinevus DoH-i kasutuselev\u00f5tus Firefoxis, kus DoH-i vaikimisi sisse l\u00fclitamine algab<\/a><\/noindex> juba septembri l\u00f5pus, on seos \u00fche DoH-teenusega puudumine. Kui Firefoxis on vaikimisi kasutatakse<\/a><\/noindex> CloudFlare'i DNS-server, siis Chrome'is toimub lihtsalt DNS-i haldamise meetodi uuendamine samav\u00e4\u00e4rse teenusega, ilma DNS-teenusepakkujat vahetamata. N\u00e4iteks, kui kasutaja s\u00fcsteemi seadetes on m\u00e4\u00e4ratud DNS 8.8.8.8, siis Chrome'is oleks aktiveeritud<\/a><\/noindex> Google'i DoH-teenus (\"https:\/\/dns.google.com\/dns-query\"), kui DNS on 1.1.1.1, siis DoH-teenus Cloudflare (\"https:\/\/cloudflare-dns.com\/dns-query\") ja jne.<\/a><\/noindex><\/p>\n

Soovi korral saab kasutaja DoH-i lubada v\u00f5i keelata seadistuse kaudu \"chrome:\/\/flags\/#dns-over-https\". Toetatakse kolme t\u00f6\u00f6re\u017eiimi: \"secure\", \"automatic\" ja \"off\". Re\u017eiimis \"secure\" m\u00e4\u00e4ratakse hostid ainult eelnevalt vahem\u00e4lus hoitud turvaliste v\u00e4\u00e4rtuste (saadud turvalise \u00fchenduse kaudu) ja DoH-i p\u00e4ringute p\u00f5hjal, tavap\u00e4rasele DNS-ile tagasip\u00f6\u00f6rdumist ei rakendata. Re\u017eiimis \"automatic\", kui DoH ja turvaline vahem\u00e4lu ei ole saadaval, lubatakse andmete saamine ebaturvalisest vahem\u00e4lust ja p\u00f6\u00f6rdumine traditsioonilise DNS-i kaudu. Re\u017eiimis \"off\" kontrollitakse alguses \u00fcldist vahem\u00e4lu ja kui andmeid pole, saadetakse p\u00e4ring s\u00fcsteemi DNS-i kaudu. Re\u017eiimi seadistatakse kaudu seadistuse<\/a><\/noindex> kDnsOverHttpsMode kaudu, ning serverite vastemall l\u00e4bi kDnsOverHttpsTemplates.<\/p>\n

DoH-katsetus viiakse l\u00e4bi k\u00f5ikidel Chrome'i toetatud platvormidel, v\u00e4lja arvatud Linux ja iOS, kuna resolvija seadete anal\u00fc\u00fcs on keeruline ja juurdep\u00e4\u00e4s s\u00fcsteemsete DNS-seadeteni on piiratud. Kui p\u00e4rast DoH-ide lubamist tekivad probleemid DoH-serveriga p\u00e4ringute saatmisel (nt selle blokeerimise, v\u00f5rgu\u00fchenduse rikkumise v\u00f5i rikke t\u00f5ttu), naaseb brauser automaatselt s\u00fcsteemi DNS-seadetele. <\/p>\n

Katse eesm\u00e4rk on DoH-i rakenduse l\u00f5plik kontrollimine ja DoH-i kasutamise m\u00f5ju uurimine j\u00f5udlusele. Tuleb m\u00e4rkida, et DoH-i tugi viidi lisatud<\/a><\/noindex> Chrome'i koodibaasi juba veebruaris, kuid DoH-i seadistamiseks ja lubamiseks oli vajalik<\/a><\/noindex> Chrome'i k\u00e4ivitamine spetsiaalse lipu ja mitte-eelneva valikute kogumiga.<\/p>\n

Tuletame meelde, et DoH v\u00f5ib olla kasulik, et v\u00e4ltida teabe leket, mis puudutab k\u00fcsitavaid hostinimesid, l\u00e4bi teenusepakkujate DNS-serverite, v\u00f5idelda MITM-r\u00fcnnakute ja DNS-trafiku manipuleerimisega (nt avalike Wi-Fi-de puhul), vastanduda DNS-tasandi blokeeringutele (DoH ei saa asendada VPN-i blokeeringute \u00fcletamisel, mis on rakendatud DPI-tasandil) v\u00f5i korraldada t\u00f6\u00f6d, kui otsene juurdep\u00e4\u00e4s DNS-serveritele pole v\u00f5imalik (nt t\u00f6\u00f6tades l\u00e4bi proksi). Tavap\u00e4rastes tingimustes saadetakse DNS-p\u00e4ringud otse s\u00fcsteemi konfiguratsioonis m\u00e4\u00e4ratud DNS-serveritele, aga DoH-i korral kapseldatakse hosti IP-aadressi m\u00e4\u00e4ramise p\u00e4ring HTTPS-traffikus ja saadetakse HTTP-serverisse, kus resolvija t\u00f6\u00f6tleb p\u00e4ringuid Web API kaudu. Olemasolev DNSSEC standard kasutab kr\u00fcpteerimist vaid kliendi ja serveri autentimiseks, kuid ei kaitse traffikut pealtkuulamise eest ning ei garanteeri p\u00e4ringute konfidentsiaalsust. <\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0421\u043b\u0435\u0434\u043e\u043c \u0437\u0430 Mozilla \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043f\u0440\u043e\u0432\u0435\u0441\u0442\u0438 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442 \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Chrome \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 «DNS \u043f\u043e\u0432\u0435\u0440\u0445 HTTPS» (DoH, DNS over HTTPS). \u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Chrome 78, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u043c \u043d\u0430 22 \u043e\u043a\u0442\u044f\u0431\u0440\u044f, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0431\u0443\u0434\u0443\u0442 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0435\u043d\u044b \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 DoH. \u0412 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0435 \u043f\u043e \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044e DoH \u043f\u0440\u0438\u043c\u0443\u0442 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438, \u0432 \u0442\u0435\u043a\u0443\u0449\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u043d\u0430\u0441\u0442\u043e\u0439\u043a\u0430\u0445 […]<\/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-38121","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47Chrome 78-s algavad DNS-over-HTTPS-ide lubamise katsetused | ProHoster","description":"Mozilla j\u00e4rel j\u00e4rgneb Google","canonical_url":"https:\/\/prohoster.info\/et\/blog\/news\/v-chrome-78-nachnutsya-eksperimenty-s-vklyucheniem-dns-over-https","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | 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