{"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\/hu\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","title":{"rendered":"A Firefox DNS-over-HTTPS k\u00eds\u00e9rletet fog v\u00e9gezni","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mozilla fejleszt\u0151i bejelentett\u00e9k<\/a><\/noindex> A \u00faj kutat\u00e1sr\u00f3l, amely a DNS HTTPS-en kereszt\u00fcli el\u00e9r\u00e9s\u00e9nek (DoH, DNS over HTTPS) bevezet\u00e9s\u00e9re k\u00e9sz\u00fcl. A k\u00eds\u00e9rlet sor\u00e1n az Egyes\u00fclt \u00c1llamok Firefox kiad\u00e1sainak egy r\u00e9sz\u00e9t haszn\u00e1l\u00f3 felhaszn\u00e1l\u00f3k statisztik\u00e1it gy\u0171jtik a sz\u00fcl\u0151i fel\u00fcgyeleti rendszerek \u00e9s a v\u00e1llalati felold\u00f3k haszn\u00e1lat\u00e1r\u00f3l. A k\u00eds\u00e9rletb\u0151l val\u00f3 lemond\u00e1s a «about:studies» oldalon lehets\u00e9ges (a kutat\u00e1s «DNS-over-HTTPS \u00e9szlel\u00e9si logika» n\u00e9ven szerepel a list\u00e1n).<\/p>\n

A kutat\u00e1shoz anonimiz\u00e1lt adatokat gy\u0171jtenek, amelyek csak sz\u00e1ml\u00e1l\u00f3kat tartalmaznak, konkr\u00e9t c\u00edmek \u00e9s domainek megad\u00e1sa n\u00e9lk\u00fcl. A sz\u00fcl\u0151i fel\u00fcgyeleti rendszerek azonos\u00edt\u00e1s\u00e1hoz egy lek\u00e9rdez\u00e9st k\u00fcldenek az exampleadultsite.com n\u00e9v meghat\u00e1roz\u00e1s\u00e1ra, \u00e9s ha az nem egyezik a t\u00e9nyleges IP c\u00edmmel, akkor azt jelenti, hogy a feln\u0151tt tartalom blokkolva van a DNS szinten. Emellett \u00e9rt\u00e9kelni fogj\u00e1k IP address<\/a> a Google \u00e9s a YouTube \u00e1ltal visszaadott v\u00e1laszokat, hogy ellen\u0151rizz\u00e9k azokat a restrict.youtube.com, forcesafesearch.google.com \u00e9s restrictmoderate.youtube.com helyettes\u00edt\u00e9sei szempontj\u00e1b\u00f3l. <\/p>\n

A bels\u0151 v\u00e1llalati n\u00e9vszerverek haszn\u00e1lat\u00e1nak azonos\u00edt\u00e1s\u00e1hoz a webhelyek megnyit\u00e1sakor meghat\u00e1rozott hosztokat ellen\u0151rizni fogj\u00e1k, hogy haszn\u00e1lnak-e atipikus legfels\u0151 szint\u0171 domaineket (TLD) \u00e9s intranet c\u00edmeket adnak-e vissza ezekhez. A k\u00eds\u00e9rlet ind\u00edt\u00e9k\u00e1t aggodalom k\u00e9pezte, hogy a DNS-over-HTTPS alap\u00e9rtelmezett enged\u00e9lyez\u00e9se megs\u00e9rtheti a DNS-en kereszt\u00fcl m\u0171k\u00f6d\u0151 sz\u00fcl\u0151i fel\u00fcgyeleti rendszerek m\u0171k\u00f6d\u00e9s\u00e9t, valamint probl\u00e9m\u00e1kat okozhat a v\u00e1llalati h\u00e1l\u00f3zatokat haszn\u00e1l\u00f3 felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra, akik olyan DNS szervereket haszn\u00e1lnak, amelyek bels\u0151 domainekr\u0151l adnak inform\u00e1ci\u00f3t, amelyek nem l\u00e1that\u00f3k a k\u00fcls\u0151 h\u00e1l\u00f3zaton.<\/p>\n

Eml\u00e9keztet\u00fcnk, hogy a DoH hasznos lehet az inform\u00e1ci\u00f3k kiker\u00fcl\u00e9s\u00e9nek megakad\u00e1lyoz\u00e1s\u00e1ra a DNS-szerverek \u00e1ltal, a MITM-t\u00e1mad\u00e1sok \u00e9s a DNS-trafik manipul\u00e1l\u00e1s\u00e1nak ellen\u00e1ll\u00e1s\u00e1ra, a DNS-szint\u0171 blokkok ellen\u00e1ll\u00e1s\u00e1ra, vagy a DNS-szerverek k\u00f6zvetlen el\u00e9r\u00e9s\u00e9nek lehetetlens\u00e9ge eset\u00e9n (p\u00e9ld\u00e1ul proxy haszn\u00e1lata mellett). Norm\u00e1lis esetben a DNS-lek\u00e9rdez\u00e9sek k\u00f6zvetlen\u00fcl az oper\u00e1ci\u00f3s rendszer konfigur\u00e1ci\u00f3j\u00e1ban megadott DNS-szerverekhez ker\u00fclnek elk\u00fcld\u00e9sre, azonban DoH eset\u00e9n a hoszt IP-c\u00edm\u00e9nek meghat\u00e1roz\u00e1s\u00e1ra ir\u00e1nyul\u00f3 k\u00e9r\u00e9s az HTTPS forgalomba van be\u00e1gyazva, \u00e9s egy HTTP-szerverhez ker\u00fcl elk\u00fcld\u00e9sre, ahol a felold\u00f3 Web API-n kereszt\u00fcl dolgozza fel a lek\u00e9rdez\u00e9seket. A l\u00e9tez\u0151 DNSSEC szabv\u00e1ny csak az \u00fcgyf\u00e9l \u00e9s a szerver azonos\u00edt\u00e1s\u00e1ra haszn\u00e1l titkos\u00edt\u00e1st, de nem v\u00e9di meg a forgalmat a lehallgat\u00e1st\u00f3l, \u00e9s nem garant\u00e1lja a lek\u00e9rdez\u00e9sek titkoss\u00e1g\u00e1t. <\/p>\n

A DoH enged\u00e9lyez\u00e9s\u00e9hez az about:config oldalon meg kell v\u00e1ltoztatni a network.trr.mode v\u00e1ltoz\u00f3 \u00e9rt\u00e9k\u00e9t, amely a Firefox 60-t\u00f3l kezdve t\u00e1mogatott. A 0 \u00e9rt\u00e9k teljesen letiltja a DoH-t; 1 - a DNS vagy a DoH haszn\u00e1lata a gyorsabb elj\u00e1r\u00e1st\u00f3l f\u00fcgg; 2 - alap\u00e9rtelmezettk\u00e9nt a DoH haszn\u00e1lata, DNS mint tartal\u00e9k; 3 - csak a DoH haszn\u00e1lata; 4 - t\u00fck\u00f6r m\u00f3d, ahol a DoH \u00e9s a DNS p\u00e1rhuzamosan aktiv\u00e1lva van. Alap\u00e9rtelmez\u00e9s szerint a CloudFlare DNS-szerver haszn\u00e1latos, de a network.trr.uri param\u00e9teren kereszt\u00fcl m\u00f3dos\u00edthat\u00f3, p\u00e9ld\u00e1ul be\u00e1ll\u00edthat\u00f3 a «https:\/\/dns.google.com\/experimental» vagy a «https:\/\/9.9.9.9\/dns-query».<\/p>\n

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

Forr\u00e1s: 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 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 «about:studies» (\u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 […]<\/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\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\udd47A Firefox-ban k\u00eds\u00e9rletet fognak v\u00e9gezni a DNS-over-HTTPS-szel kapcsolatban | ProHoster","description":"A Mozilla fejleszt\u0151i bejelentett\u00e9k a k\u00eds\u00e9rlet 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