{"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\/ro\/blog\/news\/v-ublock-origin-dobavlena-zashhita-ot-novogo-metoda-otslezhivaniya-manipuliruyushhego-imenami-v-dns","title":{"rendered":"uBlock Origin a ad\u0103ugat protec\u021bie \u00eempotriva unei noi metode de urm\u0103rire care manipuleaz\u0103 numele \u00een DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Utilizatorii uBlock Origin au observat<\/a><\/noindex> aplicarea de c\u0103tre re\u021belele de publicitate \u0219i sistemele de web analytics a unei noi tehnici de urm\u0103rire a mi\u0219c\u0103rilor \u0219i a inser\u0103rii blocurilor de publicitate, care nu poate fi blocat\u0103 \u00een uBlock Origin \u0219i alte extensii pentru filtrarea con\u021binutului nedorit. <\/p>\n

Esenta metodei este c\u0103 de\u021bin\u0103torii de site-uri, care doresc s\u0103 integreze cod pentru urm\u0103rire sau afi\u0219are de reclame, creeaz\u0103 \u00een DNS un subdomeniu separat, referindu-se la serverul re\u021belei de publicitate sau al web analytics (de exemplu, se creeaz\u0103 un \u00eenregistrare CNAME f7ds.liberation.fr, care indic\u0103 serverul de tracking liberation.eulerian.net). Astfel, codul publicitar este \u00een mod formal \u00eenc\u0103rcat de pe acela\u0219i domeniu principal ca \u0219i site-ul, \u0219i prin urmare nu este supus bloc\u0103rii. Numele pentru subdomeniu este ales sub forma unui identificator aleator, ceea ce complic\u0103 blocarea prin masc\u0103, deoarece subdomeniul asociat re\u021belei de publicitate este greu de distins de subdomeniile pentru \u00eenc\u0103rcarea altor resurse locale ale paginii. <\/p>\n

Dezvoltatorul uBlock Origin a propus<\/a><\/noindex> folosi rezolvarea<\/a><\/noindex> nume \u00een DNS pentru a determina gazda asociat\u0103 prin CNAME. Metoda a fost implementat<\/a><\/noindex> \u00eencep\u00e2nd cu
\nversiune experimental\u0103 uBlock Origin 1.24.1b3<\/a><\/noindex> pentru Firefox<\/a><\/noindex>. Pentru a activa verificarea \u00een set\u0103rile avansate, trebuie s\u0103 seta\u021bi valoarea cnameAliasList la «*», \u00een acest caz toate verific\u0103rile din listele negre vor fi duplicate \u0219i pentru numele definite prin CNAME. C\u00e2nd instala\u021bi actualizarea, va trebui s\u0103 acorda\u021bi permisiuni pentru a ob\u021bine informa\u021bii din DNS.<\/p>\n

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

Pentru Chrome, verificarea CNAME nu poate fi ad\u0103ugat\u0103, deoarece API-ul dns.resolve()<\/a><\/noindex> este disponibil doar pentru extensiile \u00een Firefox \u0219i nu este suportat \u00een Chrome. Din punctul de vedere al performan\u021bei, determinarea CNAME nu ar trebui s\u0103 conduc\u0103 la costuri suplimentare, \u00een afar\u0103 de utilizarea resurselor procesorului pentru reaplicarea regulilor pentru un alt nume, deoarece atunci c\u00e2nd se acceseaz\u0103 resursa, browserul deja a efectuat rezolvarea \u0219i valoarea ar trebui s\u0103 fie \u00een cache. Metoda de protec\u021bie poate fi ocolit\u0103 prin asocierea direct\u0103 a numelui cu un IP f\u0103r\u0103 a utiliza CNAME, dar aceast\u0103 abordare complic\u0103 \u00eentre\u021binerea (\u00een cazul schimb\u0103rii adresei IP a re\u021belei de publicitate, va trebui s\u0103 se ob\u021bin\u0103 modificarea datelor pe toate serverele DNS ale editorilor) \u0219i poate fi ocolit\u0103 prin crearea unei liste negre de adrese IP ale tracker-elor.<\/p>\n

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

Sursa: opennet.ro<\/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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