{"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\/pl\/blog\/news\/v-ublock-origin-dobavlena-zashhita-ot-novogo-metoda-otslezhivaniya-manipuliruyushhego-imenami-v-dns","title":{"rendered":"W uBlock Origin dodano zabezpieczenie przed now\u0105 metod\u0105 \u015bledzenia, manipuluj\u0105c\u0105 nazwami w DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>U\u017cytkownicy uBlock Origin  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/uBlockOrigin\/uBlock-issues\/issues\/780\">, \u017ce przy pierwszym \u017c\u0105daniu HTTP (3), wys\u0142anym podczas tworzenia woluminu, na ko\u0144cu u\u017cytkowego URL dodawany jest parametr<\/a><\/noindex> stosowanie przez sieci reklamowe i systemy analityki internetowej nowej techniki \u015bledzenia ruchu oraz wstawiania reklam, kt\u00f3re nie s\u0105 blokowane w uBlock Origin oraz innych dodatkach do filtrowania niechcianych tre\u015bci. <\/p>\n<p>Istota metody polega na tym, \u017ce w\u0142a\u015bciciele stron internetowych, kt\u00f3rzy chc\u0105 umie\u015bci\u0107 kod \u015bledzenia lub wy\u015bwietlania reklam, tworz\u0105 w DNS oddzieln\u0105 subdomen\u0119, kt\u00f3ra odwo\u0142uje si\u0119 do serwera sieci reklamowej lub analityki internetowej (na przyk\u0142ad tworzy si\u0119 rekord CNAME f7ds.liberation.fr, wskazuj\u0105cy na serwer \u015bledzenia liberation.eulerian.net). W ten spos\u00f3b kod reklamowy formalnie \u0142adowany jest z tej samej g\u0142\u00f3wnej domeny, co strona, i dlatego nie podlega blokowaniu. Nazwa subdomeny wybierana jest w formie losowego identyfikatora, co utrudnia blokowanie na podstawie wzorca, poniewa\u017c subdomena powi\u0105zana z sieci\u0105 reklamow\u0105 jest trudna do odr\u00f3\u017cnienia od subdomen do \u0142adowania innych lokalnych zasob\u00f3w strony. <\/p>\n<p>Tw\u00f3rca uBlock Origin <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/uBlockOrigin\/uBlock-issues\/issues\/780#issuecomment-555643036\">zaproponowa\u0142<\/a><\/noindex> ju\u017c trzeba co\u015b wykorzysta\u0107 (pracuj\u0119 z klastrowym Proxmox VE 5.x i ZFS over iSCSI). <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/API\/dns\">rozwi\u0105zywanie<\/a><\/noindex> nazwy w DNS w celu okre\u015blenia powi\u0105zanego przez CNAME hosta. Metoda <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/gorhill\/uBlock\/commit\/3a564c199260a857f3d78d5f12b8c3f1aa85b865\">zrealizowano<\/a><\/noindex> zaczynaj\u0105c od<br \/>\neksperymentalnej wersji <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/gorhill\/uBlock\/releases\">uBlock Origin 1.24.1b3<\/a><\/noindex>  do <noindex><a rel=\"nofollow\" href=\"https:\/\/addons.mozilla.org\/en-US\/firefox\/addon\/ublock-origin\/\">Firefox<\/a><\/noindex>. Aby aktywowa\u0107 weryfikacj\u0119 w ustawieniach zaawansowanych, nale\u017cy ustawi\u0107 warto\u015b\u0107 cnameAliasList na &#171;*&#187;, w takim przypadku wszystkie kontrole w czarnych listach b\u0119d\u0105 duplikowane r\u00f3wnie\u017c dla nazw okre\u015blonych za pomoc\u0105 CNAME. Podczas instalacji aktualizacji b\u0119dzie wymagane udzielenie uprawnie\u0144 do uzyskania informacji z DNS.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/user-images.githubusercontent.com\/21290713\/69175752-5e7cf180-0b2a-11ea-8ce7-204976ec9c20.png\"><img decoding=\"async\" alt=\"W uBlock Origin dodano zabezpieczenie przed now\u0105 metod\u0105 \u015bledzenia, manipuluj\u0105c\u0105 nazwami w DNS\" src=\"\/wp-content\/uploads\/2019\/11\/a7fc7327de0b87f28de516078bf4ad8b.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>W przypadku Chrome sprawdzenie CNAME nie mo\u017ce by\u0107 dodane, poniewa\u017c API <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/API\/dns\">dns.resolve()<\/a><\/noindex> jest dost\u0119pne tylko dla dodatk\u00f3w w Firefoxie i nie jest obs\u0142ugiwane w Chrome. Z punktu widzenia wydajno\u015bci, okre\u015blenie CNAME nie powinno prowadzi\u0107 do dodatkowych koszt\u00f3w, opr\u00f3cz wydatk\u00f3w zwi\u0105zanych z wykorzystaniem zasob\u00f3w procesora na ponowne stosowanie regu\u0142 dla innej nazwy, poniewa\u017c przy odwo\u0142aniu do zasobu przegl\u0105darka ju\u017c wykona\u0142a rozwi\u0105zanie, a warto\u015b\u0107 powinna by\u0107 zbuforowana. Metoda ochrony mo\u017ce by\u0107 obejdziona przez bezpo\u015brednie powi\u0105zanie nazwy z adresem IP bez u\u017cycia CNAME, ale takie podej\u015bcie utrudnia konserwacj\u0119 (w przypadku zmiany adresu IP sieci reklamowej b\u0119dzie konieczne uzyskanie zmiany danych na wszystkich serwerach DNS wydawc\u00f3w) i mo\u017ce by\u0107 obejdziane przez utworzenie czarnej listy adres\u00f3w IP tracker\u00f3w.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51928\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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, \u0441\u0441\u044b\u043b\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440 \u0440\u0435\u043a\u043b\u0430\u043c\u043d\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":53189,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53188","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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