{"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\/cs\/blog\/news\/vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns","title":{"rendered":"Vyd\u00e1n\u00ed uBlock Origin 1.25 s ochranou proti obch\u00e1zen\u00ed blokace pomoc\u00ed manipulac\u00ed s DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dostupn\u00e9<\/a><\/noindex> nov\u00e9 vyd\u00e1n\u00ed blok\u00e1toru ne\u017e\u00e1douc\u00edho obsahu uBlock Origin 1.25<\/a><\/noindex>, kter\u00fd blokuje reklamy, \u0161kodliv\u00e9 prvky, k\u00f3d pro sledov\u00e1n\u00ed pohybu, JavaScriptov\u00e9 minery a dal\u0161\u00ed ru\u0161iv\u00e9 elementy. Roz\u0161\u00ed\u0159en\u00ed uBlock Origin se vyzna\u010duje vysok\u00fdm v\u00fdkonem a \u00faspornou spot\u0159ebou pam\u011bti a umo\u017e\u0148uje nejen zbavit se otravn\u00e9ho obsahu, ale tak\u00e9 sn\u00ed\u017eit spot\u0159ebu zdroj\u016f a urychlit na\u010d\u00edt\u00e1n\u00ed str\u00e1nek.<\/p>\n

V nov\u00e9 verzi pro u\u017eivatele Firefoxu je zaji\u0161t\u011bna blokace nov\u00e9 techniky sledov\u00e1n\u00ed pohybu a nahrazov\u00e1n\u00ed reklamn\u00edch blok\u016f, kter\u00e1 je zalo\u017eena na vytv\u00e1\u0159en\u00ed samostatn\u00e9 subdom\u00e9ny v r\u00e1mci dom\u00e9ny aktu\u00e1ln\u00edho webu v DNS. Vytv\u00e1\u0159en\u00e1 subdom\u00e9na odkazuje na server reklamn\u00ed s\u00edt\u011b (nap\u0159\u00edklad se vytv\u00e1\u0159\u00ed CNAME z\u00e1znam f7ds.liberation.fr, kter\u00fd ukazuje na sledovac\u00ed server liberation.eulerian.net), a proto se reklamn\u00ed k\u00f3d form\u00e1ln\u011b na\u010d\u00edt\u00e1 ze stejn\u00e9 prim\u00e1rn\u00ed dom\u00e9ny jako web. N\u00e1zev pro subdom\u00e9nu je vyb\u00edr\u00e1n jako n\u00e1hodn\u00fd identifik\u00e1tor, co\u017e zt\u011b\u017euje blokaci podle vzoru, proto\u017ee subdom\u00e9na spojen\u00e1 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 m\u00edstn\u00edch zdroj\u016f str\u00e1nky. <\/p>\n

V nov\u00e9 verzi uBlock Origin pro ur\u010den\u00ed hostitele spojen\u00e9ho p\u0159es CNAME p\u0159id\u00e1n<\/a><\/noindex> vol\u00e1n\u00ed pro rezolvov\u00e1n\u00ed<\/a><\/noindex> jm\u00e9na v DNS, co\u017e umo\u017e\u0148uje pou\u017e\u00edt blokovac\u00ed seznamy i pro jm\u00e9na, kter\u00e1 jsou p\u0159esm\u011brov\u00e1na p\u0159es CNAME.
\nZ hlediska v\u00fdkonu by ur\u010den\u00ed CNAME nem\u011blo v\u00e9st k dodate\u010dn\u00fdm n\u00e1klad\u016fm krom\u011b n\u00e1rok\u016f na procesorov\u00e9 zdroje na op\u011btovn\u00e9 pou\u017eit\u00ed pravidel pro jin\u00e1 jm\u00e9na, proto\u017ee p\u0159i p\u0159\u00edstupu k prost\u0159edku u\u017e prohl\u00ed\u017ee\u010d provedl rezolvov\u00e1n\u00ed a hodnota by m\u011bla b\u00fdt vyrovn\u00e1na v mezipam\u011bti. P\u0159i instalaci nov\u00e9 verze bude t\u0159eba ud\u011blit opr\u00e1vn\u011bn\u00ed k z\u00edsk\u00e1n\u00ed informac\u00ed z DNS.<\/p>\n

\"Vyd\u00e1n\u00ed<\/a><\/noindex><\/center><\/p>\n

P\u0159idan\u00e1 metoda ochrany zalo\u017een\u00e1 na kontrole CNAME m\u016f\u017ee b\u00fdt obejita pomoc\u00ed p\u0159\u00edm\u00e9ho p\u0159i\u0159azen\u00ed jm\u00e9na k IP bez pou\u017eit\u00ed CNAME, ale takov\u00fd p\u0159\u00edstup komplikuje \u00fadr\u017ebu a spr\u00e1vu infrastruktury (v p\u0159\u00edpad\u011b zm\u011bny IP adresy reklamn\u00ed s\u00edt\u011b bude nutn\u00e9 zajistit zm\u011bnu \u00fadaj\u016f na v\u0161ech DNS serverech vydavatel\u016f) a m\u016f\u017ee b\u00fdt obejita prost\u0159ednictv\u00edm vytvo\u0159en\u00ed \u010dern\u00e9 listiny IP adres tracker\u016f. V sestaven\u00ed uBlock Origin pro Chrome kontrola CNAME nefunguje, proto\u017ee API dns.resolve()<\/a><\/noindex> je k dispozici pouze pro roz\u0161\u00ed\u0159en\u00ed ve Firefoxu a nen\u00ed podporov\u00e1n 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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