{"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\/sl\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https","title":{"rendered":"U Firefoxu \u0107e se sprovesti eksperiment vezan za DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Razvijalci 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\/\">su javili<\/a><\/noindex> o izvedbi novega raziskovanja v okviru priprave na uvedbo funkcije dostopa do DNS preko HTTPS (DoH, DNS over HTTPS). Med izvajanjem poskusa na sistemih dela uporabnikov izdaje Firefox iz ZDA bo zbrana statistika o uporabi sistemov star\u0161evskega nadzora in korporativnih resolverjev. Od projekta se lahko odjavite preko strani &#171;about:studies&#187; (raziskava je predstavljena v seznamu kot &#171;Detection Logic for DNS-over-HTTPS&#187;).<\/p>\n<p>Za raziskavo bomo zbrali anonimizirane podatke, ki vklju\u010dujejo le \u0161tevce, brez navedbe konkretnih naslovov in domen. Za odkrivanje sistemov star\u0161evskega nadzora bomo poslali zahtevo za dolo\u010ditev imena exampleadultsite.com in \u010de se ne ujema s dejanskim IP-jem, lahko menimo, da je aktivna blokada vsebin za odrasle na ravni DNS. Ocenjene bodo tudi <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/lir\/ipv4\/\"   title=\"IP-naslove\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"633\">IP-naslove<\/a> vrnjene vrednosti za Google in YouTube, da preverimo njihovo preusmeritev na restrict.youtube.com, forcesafesearch.google.com in restrictmoderate.youtube.com. <\/p>\n<p>Za odkrivanje uporabe notranjih korporativnih resolverjev bomo preverili dolo\u010dene gostiteljske naslove ob odpiranju spletnih strani glede uporabe netipi\u010dnih vrhnjih domen (TLD) in vrnitev intranetnih naslovov zanje. Motiv za izvedbo eksperimenta so skrbi, da bi privzeta nastavitev DNS-over-HTTPS lahko motila delovanje delujo\u010dih sistemov star\u0161evskega nadzora, prav tako pa bi lahko povzro\u010dila te\u017eave uporabnikom korporativnih omre\u017eij, ki uporabljajo DNS stre\u017enike, ki posredujejo informacije o notranjih domenah, ki niso vidne v zunanjem omre\u017eju.<\/p>\n<p>Omenimo, da je DoH lahko koristen za izklju\u010ditev pu\u0161\u010danja podatkov o zahtevanih imenih gostiteljev preko DNS stre\u017enikov ponudnikov, za boj proti MITM napadom in zamenjavi DNS prometa, za prepre\u010devanje blokad na ravni DNS ali za omogo\u010danje delovanja v primeru nezmo\u017enosti neposrednega dostopa do DNS stre\u017enikov (na primer pri delovanju preko proxy). V obi\u010dajni situaciji se DNS poizvedbe neposredno po\u0161iljajo na dolo\u010dene DNS stre\u017enike, ki jih dolo\u010da konfiguracija sistema, medtem ko se v primeru DoH poizvedba za dolo\u010ditev IP naslova gostitelja inkapsulira v HTTPS promet in po\u0161lje na HTTP stre\u017enik, kjer resolver obdeluje poizvedbe preko Web API. Obstoje\u010di standard DNSSEC uporablja \u0161ifriranje le za avtentikacijo stranke in stre\u017enika, vendar ne \u0161\u010diti prometa pred prestrezanjem in ne zagotavlja zasebnosti poizvedb. <\/p>\n<p>Za omogo\u010danje DoH v about:config je treba spremeniti vrednost spremenljivke network.trr.mode, ki je podprta od razli\u010dice Firefox 60 naprej. Vrednost 0 popolnoma onemogo\u010di DoH; 1 \u2014 uporablja DNS ali DoH, odvisno od tega, katera je hitrej\u0161a; 2 \u2014 uporablja DoH privzeto, DNS pa kot rezervno mo\u017enost; 3 \u2014 uporablja samo DoH; 4 \u2014 na\u010din ugledovanja, pri katerem se DoH in DNS uporabljata hkrati. Privzeto se uporablja DNS stre\u017enik CloudFlare, vendar ga je mogo\u010de spremeniti preko parametra network.trr.uri, na primer, lahko nastavite &#171;https:\/\/dns.google.com\/experimental&#187; ali &#171;https:\/\/9.9.9.9\/dns-query&#187;.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <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 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\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 5.0.4 - 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\/sl\/blog\/news\/v-firefox-budet-provedyon-eksperiment-svyazannyj-s-dns-over-https\" \/>\n\t\t<meta 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