{"id":53188,"date":"2019-11-26T00:00:00","date_gmt":"2019-11-25T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/v-ublock-origin-dobavlena-zashhita-ot-novogo-metoda-otslezhivaniya-manipuliruyushhego-imenami-v-dns"},"modified":"2020-02-18T14:01:04","modified_gmt":"2020-02-18T11:01:04","slug":"v-ublock-origin-dobavlena-zashhita-ot-novogo-metoda-otslezhivaniya-manipuliruyushhego-imenami-v-dns","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-ublock-origin-dobavlena-zashhita-ot-novogo-metoda-otslezhivaniya-manipuliruyushhego-imenami-v-dns","title":{"rendered":"Do uBlock Origin byla p\u0159id\u00e1na ochrana proti nov\u00e9 metod\u011b sledov\u00e1n\u00ed, manipuluj\u00edc\u00ed se jm\u00e9ny v DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

U\u017eivatel\u00e9 uBlock Origin zaznamenali<\/a><\/noindex> aplikacemi reklamn\u00edch s\u00edt\u00ed a webov\u00fdch analytick\u00fdch syst\u00e9m\u016f nov\u00fdch technik sledov\u00e1n\u00ed pohyb\u016f a vkl\u00e1d\u00e1n\u00ed reklamn\u00edch blok\u016f, kter\u00e9 nejsou blokov\u00e1ny v uBlock Origin a dal\u0161\u00edch dopl\u0148c\u00edch pro filtrov\u00e1n\u00ed ne\u017e\u00e1douc\u00edho obsahu. <\/p>\n

Podstata metody spo\u010d\u00edv\u00e1 v tom, \u017ee vlastn\u00edci webov\u00fdch str\u00e1nek, kte\u0159\u00ed cht\u011bj\u00ed vlo\u017eit k\u00f3d pro sledov\u00e1n\u00ed nebo zobrazen\u00ed reklamy, vytv\u00e1\u0159ej\u00ed v DNS samostatnou subdom\u00e9nu, kter\u00e1 odkazuje na server reklamn\u00ed s\u00edt\u011b nebo webov\u00e9 analytiky (nap\u0159\u00edklad se vytv\u00e1\u0159\u00ed z\u00e1znam CNAME f7ds.liberation.fr, kter\u00fd ukazuje na server pro sledov\u00e1n\u00ed liberation.eulerian.net). T\u00edmto zp\u016fsobem se reklamn\u00ed k\u00f3d form\u00e1ln\u011b na\u010d\u00edt\u00e1 ze stejn\u00e9 prim\u00e1rn\u00ed dom\u00e9ny, jako je str\u00e1nka, a proto nen\u00ed blokov\u00e1n. N\u00e1zev subdom\u00e9ny se vyb\u00edr\u00e1 ve form\u011b n\u00e1hodn\u00e9ho identifik\u00e1toru, co\u017e zt\u011b\u017euje blokov\u00e1n\u00ed podle masky, proto\u017ee subdom\u00e9nou spojenou s reklamn\u00ed s\u00edt\u00ed je t\u011b\u017ek\u00e9 odli\u0161it od subdom\u00e9n pro na\u010d\u00edt\u00e1n\u00ed dal\u0161\u00edch lok\u00e1ln\u00edch zdroj\u016f str\u00e1nky. <\/p>\n

V\u00fdvoj\u00e1\u0159 uBlock Origin navrhl<\/a><\/noindex> pou\u017e\u00edt \u0159e\u0161en\u00ed<\/a><\/noindex> jm\u00e9na v DNS pro ur\u010den\u00ed p\u0159ipojen\u00e9ho hostitele p\u0159es CNAME. Metoda realizov\u00e1no<\/a><\/noindex> po\u010d\u00ednaje
\nexperiment\u00e1ln\u00ed verz\u00ed uBlock Origin 1.24.1b3<\/a><\/noindex> pro Firefox<\/a><\/noindex>. Pro aktivaci kontroly v roz\u0161\u00ed\u0159en\u00fdch nastaven\u00edch je t\u0159eba nastavit hodnotu cnameAliasList na «*», v tomto p\u0159\u00edpad\u011b budou v\u0161echny kontroly proti \u010dern\u00fdm seznam\u016fm duplikov\u00e1ny tak\u00e9 pro n\u00e1zvy definovan\u00e9 prost\u0159ednictv\u00edm CNAME. P\u0159i instalaci aktualizace bude pot\u0159eba poskytnout opr\u00e1vn\u011bn\u00ed pro z\u00edsk\u00e1n\u00ed informac\u00ed z DNS.<\/p>\n

\"Do<\/a><\/noindex><\/center><\/p>\n

Pro Chrome nen\u00ed mo\u017en\u00e9 p\u0159idat kontrolu CNAME, proto\u017ee API dns.resolve()<\/a><\/noindex> je k dispozici pouze pro dopl\u0148ky ve Firefoxu a nen\u00ed podporov\u00e1no v Chrome. Z hlediska v\u00fdkonu by ur\u010den\u00ed CNAME nem\u011blo zp\u016fsobit \u017e\u00e1dn\u00e9 dodate\u010dn\u00e9 n\u00e1klady, krom\u011b z\u00e1t\u011b\u017ee procesorov\u00fdch zdroj\u016f pro op\u011btovn\u00e9 uplatn\u011bn\u00ed pravidel na jin\u00e9m jm\u00e9n\u011b, proto\u017ee p\u0159i p\u0159\u00edstupu k prost\u0159edku ji\u017e prohl\u00ed\u017ee\u010d provedl \u0159e\u0161en\u00ed a hodnota by m\u011bla b\u00fdt v mezipam\u011bti. Tento ochrann\u00fd mechanismus lze obej\u00edt p\u0159\u00edm\u00fdm p\u0159i\u0159azen\u00edm jm\u00e9na k IP bez pou\u017eit\u00ed CNAME, ale takov\u00fd postup zt\u011b\u017euje \u00fadr\u017ebu (v p\u0159\u00edpad\u011b zm\u011bny IP adresy reklamn\u00ed s\u00edt\u011b bude nutn\u00e9 zajistit zm\u011bnu dat na v\u0161ech DNS serverech vydavatel\u016f) a lze ho obej\u00edt vytvo\u0159en\u00edm \u010dern\u00e9ho seznamu IP adres sledova\u010d\u016f.<\/p>\n

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

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

\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 uBlock Origin \u0437\u0430\u043c\u0435\u0442\u0438\u043b\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0440\u0435\u043a\u043b\u0430\u043c\u043d\u044b\u043c\u0438 \u0441\u0435\u0442\u044f\u043c\u0438 \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u043c\u0438 web-\u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0438 \u043d\u043e\u0432\u043e\u0439 \u0442\u0435\u0445\u043d\u0438\u043a\u0438 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u0439 \u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0440\u0435\u043a\u043b\u0430\u043c\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0435 \u0431\u043b\u043e\u043a\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432 uBlock Origin \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f\u0445 \u0434\u043b\u044f \u043e\u0442\u0441\u0435\u0438\u0432\u0430\u043d\u0438\u044f \u043d\u0435\u0436\u0435\u043b\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430. \u0421\u0443\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u044b \u0441\u0430\u0439\u0442\u043e\u0432, \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u0435 \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u043a\u043e\u0434 \u0434\u043b\u044f \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0438\u043b\u0438 \u043f\u043e\u043a\u0430\u0437\u0430 \u0440\u0435\u043a\u043b\u0430\u043c\u044b, \u0441\u043e\u0437\u0434\u0430\u044e\u0442 \u0432 DNS \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0434\u0434\u043e\u043c\u0435\u043d, 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