{"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\/it\/blog\/novosti-interneta\/vypusk-ublock-origin-1-25-s-zashhitoj-ot-obhoda-blokirovki-cherez-manipulyaczii-s-dns","title":{"rendered":"Uscita di uBlock Origin 1.25 con protezione contro le manovre di bypass della limitazione tramite manipolazioni DNS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/gorhill\/uBlock\/releases\/tag\/1.25.0\">Disponibile<\/a><\/noindex>  nuovo rilascio del blocco dei contenuti indesiderati <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/gorhill\/uBlock\/\">uBlock Origin 1.25<\/a><\/noindex>, che garantisce il blocco della pubblicit\u00e0, elementi dannosi, codice per il tracciamento dei movimenti, miner di JavaScript e altri elementi che ostacolano il corretto funzionamento. L'estensione uBlock Origin si distingue per le alte prestazioni e un uso efficiente della memoria, consentendo non solo di liberarsi degli elementi fastidiosi, ma anche di ridurre il consumo delle risorse e velocizzare il caricamento delle pagine.<\/p>\n<p>Nella nuova versione per gli utenti di Firefox \u00e8 stata implementata la blocco di una nuova tecnica di tracciamento degli spostamenti e sostituzione degli annunci, basata sulla creazione di un sottodominio DNS all'interno del dominio del sito attuale. Il sottodominio creato punta a un server di reti pubblicitarie (ad esempio, viene creata una registrazione CNAME f7ds.liberation.fr che punta al server di tracciamento liberation.eulerian.net), pertanto il codice pubblicitario viene formalmente caricato dallo stesso dominio di origine del sito. Il nome del sottodominio viene scelto come un identificatore casuale, il che rende difficile la blocco per maschera, poich\u00e9 il sottodominio associato alla rete pubblicitaria \u00e8 difficile da distinguere dai sottodomini utilizzati per caricare altre risorse locali della pagina. <\/p>\n<p>Nella nuova versione di uBlock Origin per identificare l'host associato tramite CNAME  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/uBlockOrigin\/uBlock-issues\/issues\/780#issuecomment-555643036\">\u00e8 stato aggiunto<\/a><\/noindex> richiama <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/API\/dns\">la risoluzione<\/a><\/noindex> del nome in DNS, permettendo di applicare anche le liste di blocco per i nomi reindirizzati tramite CNAME.<br \/>\nDal punto di vista delle prestazioni, la definizione di CNAME non dovrebbe comportare costi aggiuntivi oltre all'uso delle risorse di calcolo per l'applicazione delle regole su un altro nome, poich\u00e9 quando si accede a una risorsa il browser ha gi\u00e0 effettuato il resolving e il valore dovrebbe essere memorizzato nella cache. Quando si installa una nuova versione, sar\u00e0 necessario fornire le autorizzazioni per ottenere informazioni dal DNS.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/user-images.githubusercontent.com\/21290713\/69175752-5e7cf180-0b2a-11ea-8ce7-204976ec9c20.png\"><img decoding=\"async\" alt=\"Uscita di uBlock Origin 1.25 con protezione contro le manovre di bypass della limitazione tramite manipolazioni DNS \" src=\"\/wp-content\/uploads\/2020\/02\/b4a9ececda7c8af77154b3f6e8768361.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Il nuovo metodo di protezione basato sulla verifica di CNAME pu\u00f2 essere aggirato tramite il binding diretto del nome all'IP senza utilizzare CNAME, ma questo approccio complica la manutenzione e la gestione dell'infrastruttura (nel caso in cui l'indirizzo IP della rete pubblicitaria cambi, sar\u00e0 necessario aggiornare i dati su tutti i server DNS degli editori) e pu\u00f2 essere eluso tramite la creazione di una blacklist di indirizzi IP di tracker. Nella build di uBlock Origin per Chrome, la verifica di CNAME non funziona, poich\u00e9 l'API <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/API\/dns\">dns.resolve()<\/a><\/noindex> \u00e8 disponibile solo per le estensioni in Firefox e non \u00e8 supportata in Chrome. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52438\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u043d\u0435\u0436\u0435\u043b\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430 uBlock Origin 1.25, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043b\u0430\u043c\u044b, \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f, JavaScript-\u043c\u0430\u0439\u043d\u0435\u0440\u043e\u0432 \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u043c\u0435\u0448\u0430\u044e\u0449\u0438\u0445 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432. \u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 uBlock Origin \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e \u0438 \u044d\u043a\u043e\u043d\u043e\u043c\u043d\u044b\u043c \u0440\u0430\u0441\u0445\u043e\u0434\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438, \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043e\u0442 \u043d\u0430\u0437\u043e\u0439\u043b\u0438\u0432\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043d\u043e \u0438 \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0438 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u0441\u0442\u0440\u0430\u043d\u0438\u0446. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":71586,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-71585","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u043d\u0435\u0436\u0435\u043b\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430\" \/>\n\t<meta name=\"robots\" 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