{"id":100191,"date":"2021-05-18T22:23:32","date_gmt":"2021-05-18T20:23:32","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-mozilla-predstavila-rezhim-strogoj-izolyaczii-sajtov-dlya-firefox"},"modified":"2026-02-04T17:53:51","modified_gmt":"2026-02-04T15:53:51","slug":"kompaniya-mozilla-predstavila-rezhim-strogoj-izolyaczii-sajtov-dlya-firefox","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/kompaniya-mozilla-predstavila-rezhim-strogoj-izolyaczii-sajtov-dlya-firefox","title":{"rendered":"Mozilla ha presentato la modalit\u00e0 di isolamento rigoroso dei siti per Firefox","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 \u0438 \u0431\u0435\u0442\u0430-\u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 Firefox \u0440\u0435\u0436\u0438\u043c\u0430 \u0441\u0442\u0440\u043e\u0433\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0441\u0430\u0439\u0442\u043e\u0432, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0432\u0448\u0435\u0433\u043e\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fission. \u0420\u0435\u0436\u0438\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043c\u043d\u043e\u0433\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b — \u0432\u043c\u0435\u0441\u0442\u043e \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0443\u043b\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0441\u0430\u0439\u0442 \u0441\u043e\u0437\u0434\u0430\u0451\u0442\u0441\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0440\u0435\u0436\u0438\u043c\u0430 Fission \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e «fission.autostart=true» \u0432 about:config \u0438\u043b\u0438 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 about:preferences#experimental. <\/p>\n

Ricordiamo che il modello multi-processo utilizzato in Firefox fino ad ora prevedeva l'avvio di un pool di processi gestori: di default, 8 processi principali per l'elaborazione dei contenuti, 2 processi secondari non privilegiati per il web e 4 processi ausiliari per estensioni, interazione con la GPU, operazioni di rete e decodifica dei dati multimediali. La distribuzione delle schede tra i processi avveniva in modo casuale; ad esempio, in un processo potevano trovarsi sia l'elaborazione del sito di una banca che quella di una risorsa dubbia e non affidabile. <\/p>\n

La nuova modalit\u00e0 esegue il trattamento di ciascun sito in un processo separato, non categorizzato per schede ma per domini, consentendo di isolare ulteriormente i contenuti degli script esterni e dei blocchi iframe. Per il trattamento separato dei sottodomini di servizi standard collegati a diversi siti, viene applicata una suddivisione non formale ma basata su quello reale (eTLD) domini di primo livello<\/a>, \u043e\u0442\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u043c \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 Public Suffix (\u0442.\u0435. \u0441\u0430\u0439\u0442\u044b «a.github.io» \u0438 «b.github.io» \u0431\u0443\u0434\u0443\u0442 \u0432\u044b\u043d\u0435\u0441\u0435\u043d\u044b \u0432 \u0440\u0430\u0437\u043d\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u044b). <\/p>\n

La modalit\u00e0 di isolamento rigoroso consente di proteggersi da attacchi attraverso canali esterni, ad esempio collegati a vulnerabilit\u00e0 come Spectre, che possono portare a fughe di informazioni all'interno dello stesso processo. La fuga di dati riservati trattati nello stesso processo \u00e8 possibile durante l'esecuzione di codice esterno non affidabile nei motori con JIT e in macchine virtuali<\/a>. Nel contesto dei browser web, il codice JavaScript dannoso proveniente da un sito pu\u00f2 accedere a informazioni come password, chiavi d'accesso e numeri di carte di credito inseriti su un altro sito, gestito all'interno dello stesso processo. Inizialmente, per proteggere dagli attacchi tramite canali di terze parti, gli sviluppatori dei browser hanno limitato la precisione del timer e bloccato l'accesso all'API SharedArrayBuffer, ma queste misure complicavano e rallentavano solo l'esecuzione degli attacchi (ad esempio, \u00e8 stato recentemente proposto un metodo per estrarre dati dalla cache della CPU che funziona senza utilizzare JavaScript). <\/p>\n

Altri vantaggi della modalit\u00e0 di isolamento rigoroso includono la riduzione della frammentazione della memoria, un ritorno pi\u00f9 efficace della memoria al sistema operativo, la minimizzazione dell'impatto della raccolta dei rifiuti e dei calcoli intensivi sulle pagine in altri processi, una migliore distribuzione del carico su diversi core della CPU e una maggiore stabilit\u00e0 (il crash del processo che gestisce un iframe non influenzer\u00e0 il sito principale e altre schede). <\/p>\n

Tra i problemi conosciuti che si verificano durante l'utilizzo di Fission si segnalano un notevole aumento del consumo di memoria, delle connessioni X11 e dei descrittori di file quando vengono aperte molte schede, oltre a malfunzionamenti di alcune estensioni, scomparsa di contenuti iframe durante la stampa e l'attivazione della funzione di acquisizione dello schermo, riduzione dell'efficacia della memorizzazione nella cache dei documenti con iframe e perdita dei contenuti delle forme compilate ma non inviate durante il ripristino della sessione dopo un crash.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 \u0438 \u0431\u0435\u0442\u0430-\u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 Firefox \u0440\u0435\u0436\u0438\u043c\u0430 \u0441\u0442\u0440\u043e\u0433\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0441\u0430\u0439\u0442\u043e\u0432, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0432\u0448\u0435\u0433\u043e\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fission. \u0420\u0435\u0436\u0438\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043c\u043d\u043e\u0433\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b — \u0432\u043c\u0435\u0441\u0442\u043e \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0443\u043b\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0441\u0430\u0439\u0442 \u0441\u043e\u0437\u0434\u0430\u0451\u0442\u0441\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0440\u0435\u0436\u0438\u043c\u0430 Fission \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e «fission.autostart=true» \u0432 about:config \u0438\u043b\u0438 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 about:preferences#experimental. \u041d\u0430\u043f\u043e\u043c\u043d\u0438\u043c, \u0447\u0442\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u0430\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100191","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Mozilla ha presentato la modalit\u00e0 di isolamento rigoroso dei siti per Firefox | ProHoster","description":"Mozilla ha annunciato l'inizio di test su vasta scala nelle versioni notturne e beta di Firefox della modalit\u00e0 di isolamento rigoroso dei siti, sviluppata nell'ambito del progetto Fission. Questa modalit\u00e0 amplia l'applicazione dell'architettura multi-processo: invece di un pool fisso di processi, per ogni sito viene creato un processo separato. La gestione dell'attivazione della modalit\u00e0 Fission avviene tramite la variabile \"fission.autostart=true\" in about:config o nella pagina about:preferences#experimental. Ricordiamo che l'applicazione","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/kompaniya-mozilla-predstavila-rezhim-strogoj-izolyaczii-sajtov-dlya-firefox","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u0436\u0438\u043c \u0441\u0442\u0440\u043e\u0433\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0441\u0430\u0439\u0442\u043e\u0432 \u0434\u043b\u044f Firefox | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 \u0438 \u0431\u0435\u0442\u0430-\u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 Firefox \u0440\u0435\u0436\u0438\u043c\u0430 \u0441\u0442\u0440\u043e\u0433\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0441\u0430\u0439\u0442\u043e\u0432, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0432\u0448\u0435\u0433\u043e\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fission. \u0420\u0435\u0436\u0438\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043c\u043d\u043e\u0433\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b - \u0432\u043c\u0435\u0441\u0442\u043e \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0443\u043b\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0441\u0430\u0439\u0442 \u0441\u043e\u0437\u0434\u0430\u0451\u0442\u0441\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0440\u0435\u0436\u0438\u043c\u0430 Fission \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e "fission.autostart=true" \u0432 about:config \u0438\u043b\u0438 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 about:preferences#experimental. \u041d\u0430\u043f\u043e\u043c\u043d\u0438\u043c, \u0447\u0442\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u0430\u044f","og:url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/kompaniya-mozilla-predstavila-rezhim-strogoj-izolyaczii-sajtov-dlya-firefox","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2021-05-18T20:23:32+00:00","article:modified_time":"2026-02-04T15:53:51+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"100191","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-05-18 21:00:07","updated":"2026-02-04 15:53:51"},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/100191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/comments?post=100191"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/100191\/revisions"}],"predecessor-version":[{"id":164131,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/100191\/revisions\/164131"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media?parent=100191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/categories?post=100191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/tags?post=100191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}