{"id":56195,"date":"2020-02-07T00:00:00","date_gmt":"2020-02-06T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/zagolovok-x-client-data-kak-metod-identifikatsii-polzovatelej-chrome"},"modified":"2020-02-18T14:04:25","modified_gmt":"2020-02-18T11:04:25","slug":"zagolovok-x-client-data-kak-metod-identifikatsii-polzovatelej-chrome","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/zagolovok-x-client-data-kak-metod-identifikatsii-polzovatelej-chrome","title":{"rendered":"Nag\u0142\u00f3wek X-Client-Data jako metoda identyfikacji u\u017cytkownik\u00f3w Chrome","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Podczas dyskusji inicjatywy<\/a><\/noindex> Google na temat ujednolicenia tre\u015bci nag\u0142\u00f3wka HTTP User-Agent, deweloper przegl\u0105darki Kiwi zauwa\u017cy\u0142<\/a><\/noindex> \u043d\u0430 \u043e\u0441\u0442\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432 Chrome HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a «X-Client-Data», \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e zak\u0142\u00f3ca<\/a><\/noindex> narusza og\u00f3lne rozporz\u0105dzenie o ochronie danych (GDPR<\/a><\/noindex>). W toku dyskusji<\/a><\/noindex> krytyki poddano r\u00f3wnie\u017c dwuznaczno\u015b\u0107 dzia\u0142a\u0144 firmy Google, kt\u00f3ra z jednej strony promuje<\/a><\/noindex> metod<\/a><\/noindex> blokowanie ukrytej identyfikacji i \u015bledzenia dzia\u0142a\u0144 u\u017cytkownik\u00f3w, a z drugiej strony nie spieszy si\u0119 z usuni\u0119ciem wsparcia dla nag\u0142\u00f3wka X-Client-Data z Chrome, kt\u00f3ry mo\u017ce by\u0107 u\u017cywany do identyfikacji instancji przegl\u0105darki przy korzystaniu z us\u0142ug Google.<\/p>\n

Nag\u0142\u00f3wek X-Client-Data nie jest ukryt\u0105 funkcjonalno\u015bci\u0105, a jego dzia\u0142anie opisano<\/a><\/noindex> opisano w dokumentacji. Dzi\u0119ki X-Client-Data firma Google zbiera dane o aktywno\u015bci r\u00f3\u017cnych eksperymentalnych funkcji w Chrome zwi\u0105zanych z jej stronami (na przyk\u0142ad podczas eksperymentu Google mo\u017ce aktywowa\u0107 na YouTube okre\u015blone testowe funkcje, je\u015bli s\u0105 one obs\u0142ugiwane przez przegl\u0105dark\u0119 lub pr\u00f3bowa\u0107 powi\u0105za\u0107 wyst\u0119puj\u0105ce problemy z aktywacj\u0105 funkcji eksperymentalnych). <\/p>\n

Nag\u0142\u00f3wek jest ustawiany<\/a><\/noindex> \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a \u0441\u0430\u0439\u0442\u0430\u043c Google, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043c\u0430\u0441\u043a\u0430\u043c «*.doubleclick.net», «*.googlesyndication.com», «www.googleadservices.com», «*.google.<TLD<\/a><\/noindex>>» \u0438 «*.youtube.<TLD>», \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 HTTPS. \u0412 \u0440\u0435\u0436\u0438\u043c\u0435 \u0438\u043d\u043a\u043e\u0433\u043d\u0438\u0442\u043e \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u043d\u0435 \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f, \u043d\u043e \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0441\u043c\u0435\u043d\u044b \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0444\u0438\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0432 Google \u043d\u0430 \u0433\u043e\u0441\u0442\u0435\u0432\u043e\u0439 \u043f\u0440\u043e\u0444\u0438\u043b\u044c \u0438\u043b\u0438 \u043f\u0440\u0438 \u0432\u044b\u0437\u043e\u0432\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u043d\u0435 \u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0438 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0441 \u043f\u0440\u0435\u0436\u043d\u0438\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c.<\/p>\n

\"Nag\u0142\u00f3wek<\/a><\/noindex><\/center><\/p>\n

Twierdzi si\u0119, \u017ce nag\u0142\u00f3wek nie zawiera osobowo identyfikowalnych informacji, a jedynie opisuje stan instalacji Chrome oraz aktywne funkcje eksperymentalne. Je\u015bli w ustawieniach wy\u0142\u0105czono wysy\u0142anie telemetrycznych danych o u\u017cytkowaniu przegl\u0105darki i generowanie raport\u00f3w o awariach, przy generowaniu podstawowej warto\u015bci nag\u0142\u00f3wka X-Client-Data u\u017cywa si\u0119 tylko 13 bit\u00f3w entropii (8000 r\u00f3\u017cnych kombinacji), co jest niewystarczaj\u0105ce do identyfikacji. <\/p>\n

Bior\u0105c pod uwag\u0119, \u017ce w nag\u0142\u00f3wku kodowane s\u0105 r\u00f3wnie\u017c pewne ustawienia i parametry systemu, ostatecznie zawarto\u015b\u0107 X-Client-Data mo\u017ce by\u0107 uznawana za dodatkowe \u017ar\u00f3d\u0142o danych do po\u015bredniej identyfikacji u\u017cytkownika w kr\u00f3tkim okresie (eksperymentalne mo\u017cliwo\u015bci s\u0105 w\u0142\u0105czane i wy\u0142\u0105czane w czasie, co prowadzi do okresowych zmian warto\u015bci w X-Client-Data). <\/p>\n

Niemniej jednak, poza pocz\u0105tkow\u0105 entropi\u0105 przy generowaniu warto\u015bci X-Client-Data, u\u017cywana jest r\u00f3wnie\u017c sekwencja seed, zwracana przez serwery Google, kt\u00f3ra zale\u017cy od kraju, adresu IP i innych kryteri\u00f3w, kt\u00f3re Google uzna za istotne (na przyk\u0142ad nic nie stoi na przeszkodzie, aby zwr\u00f3ci\u0107 wi\u0119ksz\u0105 losow\u0105 sekwencj\u0119, kt\u00f3ra stanie si\u0119 dok\u0142adnym identyfikatorem).
\n\u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e \u043c\u0430\u0441\u043a\u0430\u043c \u0434\u043e\u043c\u0435\u043d\u043e\u0432 Google \u043f\u0440\u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0435 X-Client-Data \u043d\u0435 \u0438\u0441\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0439, \u043a\u043e\u0433\u0434\u0430 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a \u043c\u043e\u0436\u0435\u0442 \u0437\u0430\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u043e\u043c\u0435\u043d \u0432\u0438\u0434\u0430 «youtube.xn--55qx5d» \u0438 \u043d\u0430\u0447\u0430\u0442\u044c \u0441\u043e\u0431\u0438\u0440\u0430\u0442\u044c \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b.<\/p>\n

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

\u0179r\u00f3d\u0142o: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u0438 \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u044b Google \u043f\u043e \u0443\u043d\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430 User-Agent, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Kiwi \u043e\u0431\u0440\u0430\u0442\u0438\u043b \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043d\u0430 \u043e\u0441\u0442\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432 Chrome HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a «X-Client-Data», \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043d\u0430\u0440\u0443\u0448\u0430\u0435\u0442 \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u0432 \u0415\u0432\u0440\u043e\u0441\u043e\u044e\u0437\u0435 \u043e\u0431\u0449\u0438\u0439 \u0440\u0435\u0433\u043b\u0430\u043c\u0435\u043d\u0442 \u043f\u043e \u0437\u0430\u0449\u0438\u0442\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 (GDPR). \u0412 \u0445\u043e\u0434\u0435 \u0434\u0438\u0441\u043a\u0443\u0441\u0441\u0438\u0438 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0433\u043b\u0430\u0441\u044c \u043a\u0440\u0438\u0442\u0438\u043a\u0435 \u0434\u0432\u043e\u0439\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441 \u043e\u0434\u043d\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u043f\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u0435\u0442 \u043c\u0435\u0442\u043e\u0434\u044b \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u043a\u0440\u044b\u0442\u043e\u0439 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":56196,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-56195","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\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\udd47Nag\u0142\u00f3wek X-Client-Data jako metoda identyfikacji u\u017cytkownik\u00f3w Chrome | ProHoster","description":"Podczas dyskusji na temat inicjatywy 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