{"id":71585,"date":"2020-02-27T02:48:56","date_gmt":"2020-02-26T23:48:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns"},"modified":"2020-03-03T16:10:43","modified_gmt":"2020-03-03T13:10:43","slug":"vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns","title":{"rendered":"Vydanie uBlock Origin 1.25 s ochranou proti obch\u00e1dzaniu blokovania manipul\u00e1ciou s DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dostupn\u00fd<\/a><\/noindex> nov\u00e1 verzia blok\u00e1tora ne\u017eelan\u00e9ho obsahu uBlock Origin 1.25<\/a><\/noindex>, ktor\u00e1 zais\u0165uje blokovanie rekl\u00e1m, \u0161kodliv\u00fdch prvkov, k\u00f3du na sledovanie pohybu, JavaScriptov\u00fdch \u0165a\u017eiakov a in\u00fdch ru\u0161iv\u00fdch prvkov. Doplnok uBlock Origin sa vyzna\u010duje vysok\u00fdm v\u00fdkonom a \u00fasporn\u00fdm vyu\u017e\u00edvan\u00edm pam\u00e4te a umo\u017e\u0148uje nielen zbavi\u0165 sa ob\u0165a\u017euj\u00facich prvkov, ale aj zn\u00ed\u017ei\u0165 spotrebu zdrojov a zr\u00fdchli\u0165 na\u010d\u00edtanie str\u00e1nok.<\/p>\n

V novej verzii pre pou\u017e\u00edvate\u013eov Firefoxu je zabezpe\u010den\u00e9 blokovanie novej techniky sledovania pohybov a substit\u00facie reklamn\u00fdch blokov, ktor\u00e9 spo\u010d\u00edva v vytv\u00e1ran\u00ed samostatn\u00e9ho subdom\u00e9ny v DNS v r\u00e1mci dom\u00e9ny aktu\u00e1lnej str\u00e1nky. Vytvoren\u00fd subdom\u00e9na odkazuje na server reklamnej siete (napr\u00edklad sa vytvor\u00ed CNAME z\u00e1znam f7ds.liberation.fr, ktor\u00fd ukazuje na sledovac\u00ed server liberation.eulerian.net), preto reklamn\u00fd k\u00f3d form\u00e1lne sa na\u010d\u00edtava z toho ist\u00e9ho prim\u00e1rneho dom\u00e9ny, ako aj str\u00e1nka. N\u00e1zov pre subdom\u00e9nu sa vyber\u00e1 vo forme n\u00e1hodn\u00e9ho identifik\u00e1tora, \u010do s\u0165a\u017euje blokovanie pod\u013ea masky, preto\u017ee sp\u00e1jan\u00fd subdom\u00e9na reklamnej siete je \u0165a\u017ek\u00e9 odl\u00ed\u0161i\u0165 od subdom\u00e9n pou\u017e\u00edvan\u00fdch na na\u010d\u00edtanie in\u00fdch lok\u00e1lnych zdrojov str\u00e1nky. <\/p>\n

V novej verzii uBlock Origin na ur\u010denie priraden\u00e9ho cez CNAME hostite\u013ea bol pridan\u00fd<\/a><\/noindex> v\u00fdzva na rezolvovanie<\/a><\/noindex> n\u00e1zvu v DNS, \u010do umo\u017e\u0148uje aplikova\u0165 blokovacie zoznamy aj na n\u00e1zvy, ktor\u00e9 s\u00fa presmerovan\u00e9 cez CNAME.
\nZ poh\u013eadu v\u00fdkonu ur\u010denie CNAME by nemalo sp\u00f4sobi\u0165 dodato\u010dn\u00e9 n\u00e1klady, okrem procesorov\u00fdch zdrojov potrebn\u00fdch na op\u00e4tovn\u00e9 uplatnenie pravidiel pre in\u00e9 n\u00e1zvy, preto\u017ee pri pr\u00edstupe k zdroju u\u017e prehliada\u010d vykonal rezolovanie a hodnota by mala by\u0165 vyrovnan\u00e1 do vyrovn\u00e1vacej pam\u00e4te. Pri in\u0161tal\u00e1cii novej verzie bude potrebn\u00e9 poskytn\u00fa\u0165 opr\u00e1vnenia na z\u00edskavanie inform\u00e1ci\u00ed z DNS.<\/p>\n

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

Pridan\u00e1 met\u00f3da ochrany na z\u00e1klade kontroly CNAME m\u00f4\u017ee by\u0165 ob\u00edden\u00e1 priamym prepojen\u00edm n\u00e1zvu na IP bez pou\u017e\u00edvania CNAME, ale tento pr\u00edstup komplikuje \u00fadr\u017ebu a spr\u00e1vu infra\u0161trukt\u00fary (v pr\u00edpade zmeny IP adresy reklamnej siete bude potrebn\u00e9 dosiahnu\u0165 zmenu \u00fadajov na v\u0161etk\u00fdch DNS serveroch vydavate\u013ea) a m\u00f4\u017ee by\u0165 ob\u00edden\u00e1 vytvoren\u00edm \u010dierneho zoznamu IP adries sledova\u010dov. V zostave uBlock Origin pre Chrome kontrola CNAME nefunguje, preto\u017ee API dns.resolve()<\/a><\/noindex> je dostupn\u00fd iba pre doplnky v prehliada\u010di Firefox a nie je podporovan\u00fd v Chrome. <\/p>\n

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

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

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