{"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\/hu\/blog\/news\/vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns","title":{"rendered":"Az uBlock Origin 1.25 kiad\u00e1sa, amely v\u00e9di a DNS manipul\u00e1ci\u00f3n kereszt\u00fcli blokkol\u00e1s megker\u00fcl\u00e9se ellen.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

El\u00e9rhet\u0151<\/a><\/noindex> \u00faj verzi\u00f3 a nem k\u00edv\u00e1nt tartalom blokkol\u00f3j\u00e1b\u00f3l uBlock Origin 1.25<\/a><\/noindex>, amely blokkolja a hirdet\u00e9seket, a rosszindulat\u00fa elemeket, a mozg\u00e1sk\u00f6vet\u0151 k\u00f3dokat, a JavaScript b\u00e1ny\u00e1szokat \u00e9s m\u00e1s, a norm\u00e1lis m\u0171k\u00f6d\u00e9st zavar\u00f3 elemeket. Az uBlock Origin kieg\u00e9sz\u00edt\u0151 magas teljes\u00edtm\u00e9nyt \u00e9s takar\u00e9kos mem\u00f3riafogyaszt\u00e1st biztos\u00edt, lehet\u0151v\u00e9 t\u00e9ve nemcsak a zavar\u00f3 elemek elt\u00e1vol\u00edt\u00e1s\u00e1t, hanem az er\u0151forr\u00e1sok megtakar\u00edt\u00e1s\u00e1t \u00e9s az oldalak gyorsabb bet\u00f6lt\u00e9s\u00e9t is.<\/p>\n

Az \u00faj verzi\u00f3ban a Firefox felhaszn\u00e1l\u00f3i sz\u00e1m\u00e1ra blokkolva van az \u00faj mozg\u00e1sk\u00f6vet\u00e9si technika \u00e9s a hirdet\u00e9sblokkol\u00f3k behelyettes\u00edt\u00e9se, amely a jelenlegi webhely domainj\u00e9n bel\u00fcl egy k\u00fcl\u00f6n DNS-aldomain l\u00e9trehoz\u00e1s\u00e1ra alapoz. A l\u00e9trehozott aldomain a hirdet\u00e9si h\u00e1l\u00f3zat szerver\u00e9re mutat (p\u00e9ld\u00e1ul l\u00e9trej\u00f6n egy CNAME-rekord, amely a f7ds.liberation.fr-re mutat, \u00e9s utal a liberation.eulerian.net nyomk\u00f6vet\u0151 szerverre), \u00edgy a hirdet\u00e9si k\u00f3d form\u00e1lisan a webhely alapdomaib\u00f3l t\u00f6lt\u0151dik be. Az aldomain nev\u00e9nek kiv\u00e1laszt\u00e1sa v\u00e9letlenszer\u0171 azonos\u00edt\u00f3 form\u00e1j\u00e1ban t\u00f6rt\u00e9nik, ami megnehez\u00edti a maszk szerinti blokkol\u00e1st, mivel a hirdet\u00e9si h\u00e1l\u00f3zathoz t\u00e1rs\u00edtott aldomain nehezen megk\u00fcl\u00f6nb\u00f6ztethet\u0151 m\u00e1s helyi forr\u00e1sok bet\u00f6lt\u00e9s\u00e9hez sz\u00fcks\u00e9ges aldomainkt\u0151l. <\/p>\n

Az \u00faj uBlock Origin verzi\u00f3ban a CNAME \u00e1ltal kapcsolt hoszt felder\u00edt\u00e9se hozz\u00e1adva<\/a><\/noindex> h\u00edv\u00e1sra felold\u00e1sra<\/a><\/noindex> a DNS-ben, lehet\u0151v\u00e9 t\u00e9ve a blokkol\u00f3list\u00e1k alkalmaz\u00e1s\u00e1t a CNAME-en kereszt\u00fcl \u00e1tir\u00e1ny\u00edtott nevekre is.
\nTeljes\u00edtm\u00e9ny szempontj\u00e1b\u00f3l a CNAME felder\u00edt\u00e9se nem okozhat tov\u00e1bbi k\u00f6lts\u00e9geket, kiv\u00e9ve a processzorfelhaszn\u00e1l\u00e1st a szab\u00e1lyok m\u00e1s n\u00e9vre val\u00f3 \u00fajb\u00f3li alkalmaz\u00e1sa sor\u00e1n, mivel a b\u00f6ng\u00e9sz\u0151 m\u00e1r elv\u00e9gezte a felold\u00e1st, \u00e9s az \u00e9rt\u00e9ket gyors\u00edt\u00f3t\u00e1razni kell. Az \u00faj verzi\u00f3 telep\u00edt\u00e9sekor enged\u00e9lyeket kell adni a DNS-inform\u00e1ci\u00f3k beszerz\u00e9s\u00e9hez.<\/p>\n

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

A CNAME-ellen\u0151rz\u00e9s alap\u00fa v\u00e9delmi m\u00f3dszer megker\u00fclhet\u0151, ha k\u00f6zvetlen\u00fcl az IP-hez k\u00f6tj\u00fck a nevet CNAME haszn\u00e1lata n\u00e9lk\u00fcl, de ez megnehez\u00edti az infrastrukt\u00fara karbantart\u00e1s\u00e1t \u00e9s fenntart\u00e1s\u00e1t (ha a hirdet\u00e9si h\u00e1l\u00f3zat IP-c\u00edme megv\u00e1ltozik, akkor a kiad\u00f3k minden DNS-szerver\u00e9n meg kell v\u00e1ltoztatni az adatokat), \u00e9s megker\u00fclhet\u0151 a nyomk\u00f6vet\u0151k IP-c\u00edmeinek fekete list\u00e1j\u00e1nak l\u00e9trehoz\u00e1s\u00e1val. Az uBlock Origin Chrome-ra k\u00e9sz\u00fclt verzi\u00f3j\u00e1ban a CNAME-ellen\u0151rz\u00e9s nem m\u0171k\u00f6dik, mivel az API dns.resolve()<\/a><\/noindex> csak a Firefox kieg\u00e9sz\u00edt\u0151i sz\u00e1m\u00e1ra el\u00e9rhet\u0151, a Chrome-ban nem t\u00e1mogatott. <\/p>\n

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

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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