{"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\/da\/blog\/news\/vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns","title":{"rendered":"Udgivelse af uBlock Origin 1.25 med beskyttelse mod omg\u00e5else af blokering gennem manipulation af DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tilg\u00e6ngelig<\/a><\/noindex> ny udgave af blokkeren for u\u00f8nsket indhold uBlock Origin 1.25<\/a><\/noindex>, der blokkerer annoncer, skadelige elementer, sporingskoder, JavaScript-minere og andre forstyrrende elementer. Udgaven uBlock Origin skiller sig ud ved sin h\u00f8je ydeevne og lave hukommelsesforbrug, og giver ikke blot mulighed for at slippe af med irriterende elementer, men ogs\u00e5 til at reducere ressourceforbruget og fremskynde indl\u00e6sning af sider.<\/p>\n

I den nye version er der for Firefox-brugere indf\u00f8rt blokering af en ny metode til at spore bev\u00e6gelser og inds\u00e6ttelse af annonceblokke, baseret p\u00e5 oprettelsen af et separat underdom\u00e6ne i DNS inden for det nuv\u00e6rende dom\u00e6ne. Det oprettede underdom\u00e6ne henviser til annoncenettets server (f.eks. oprettes en CNAME-post f7ds.liberation.fr, der peger p\u00e5 sporingsserveren liberation.eulerian.net), s\u00e5 annonsekoden formelt indl\u00e6ses fra det samme prim\u00e6re dom\u00e6ne som websitet. Navnet for underdom\u00e6net v\u00e6lges som et tilf\u00e6ldigt identifikationsnummer, hvilket g\u00f8r det vanskeligt at blokere baseret p\u00e5 masker, da det underdom\u00e6ne, der er knyttet til annoncenettet, er sv\u00e6rt at skelne fra underdom\u00e6ner, der bruges til at indl\u00e6se andre lokale ressourcer p\u00e5 siden. <\/p>\n

I den nye version af uBlock Origin til bestemmelse af v\u00e6rten knyttet gennem CNAME tilf\u00f8jet<\/a><\/noindex> opkalde til opl\u00f8sning<\/a><\/noindex> navnet i DNS, hvilket g\u00f8r det muligt at anvende bloklister ogs\u00e5 for navne, der omdirigeres via CNAME.
\nSet fra et ydeevnesynspunkt b\u00f8r bestemmelse af CNAME ikke medf\u00f8re yderligere omkostninger, udover procesressourcerne til genanvendelse af regler for et andet navn, da browseren allerede har udf\u00f8rt opl\u00f8sningen, og v\u00e6rdien burde v\u00e6re cachet. Ved installation af den nye version kr\u00e6ves det at give bef\u00f8jelser til at f\u00e5 oplysninger fra DNS.<\/p>\n

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

Den tilf\u00f8jede beskyttelsesmetode baseret p\u00e5 CNAME-kontrol kan omg\u00e5s ved at knytte navnet direkte til en IP uden brug af CNAME, men en s\u00e5dan tilgang besv\u00e6rligg\u00f8r vedligeholdelse og st\u00f8tte af infrastrukturen (ved \u00e6ndring af IP-adressen for annoncenettet skal der skaffes \u00e6ndringer p\u00e5 alle DNS-servere for udgiverne) og kan omg\u00e5s ved at oprette en sortliste for IP-adresser til tracking. I uBlock Origin-udgaven til Chrome fungerer CNAME-kontrollen ikke, da API dns.resolve()<\/a><\/noindex> kun kun kun kun brugs kun til till\u00e6g i Firefox og underst\u00f8ttes ikke i Chrome. <\/p>\n

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

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

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