{"id":103974,"date":"2022-05-07T03:36:41","date_gmt":"2022-05-07T01:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7"},"modified":"2022-05-07T03:36:41","modified_gmt":"2022-05-07T01:36:41","slug":"vypusk-novoj-stabilnoj-vetki-tor-0-4-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7","title":{"rendered":"Uscita della nuova versione stabile di Tor 0.4.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata rilasciata la versione dello strumento Tor 0.4.7.7, utilizzato per organizzare il funzionamento della rete anonima Tor. La versione Tor 0.4.7.7 \u00e8 considerata il primo rilascio stabile della serie 0.4.7, che si \u00e8 sviluppata negli ultimi dieci mesi. La serie 0.4.7 sar\u00e0 supportata nell'ambito del ciclo di manutenzione regolare - il rilascio degli aggiornamenti cesser\u00e0 dopo 9 mesi o 3 mesi dopo il rilascio della serie 0.4.8.x.    <\/p>\n<p>Le principali novit\u00e0 nella nuova branca:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata aggiunta l'implementazione del protocollo di gestione della congestione (RTT Congestion Control), che regola il traffico attraverso la rete Tor (tra il client e il nodo di uscita o il servizio onion). Il protocollo \u00e8 mirato a ridurre le dimensioni delle code nei relay e a superare le attuali limitazioni di capacit\u00e0. Finora la velocit\u00e0 di un singolo flusso di download attraverso i nodi di uscita e i servizi onion si limitava a 1 MB\/sec, poich\u00e9 la finestra di invio ha una dimensione fissa di 1000 celle per flusso e in ogni cella possono essere inviati 512 byte di dati (velocit\u00e0 del flusso con un ritardo nella catena di 0,5 secondi = 1000*512\/0,5 = ~1 MB\/sec).\n<p>Per prevedere la capacit\u00e0 di banda disponibile e determinare la dimensione della coda dei pacchetti, il nuovo protocollo utilizza una stima del tempo di andata e ritorno (RTT, Round Trip Time). La modellazione effettuata ha mostrato che l'implementazione del nuovo protocollo sui nodi di uscita e sui servizi onion porter\u00e0 a una riduzione dei ritardi in coda, all'eliminazione delle limitazioni sulla velocit\u00e0 del flusso, a un aumento delle prestazioni della rete Tor e a un utilizzo pi\u00f9 ottimale della capacit\u00e0 di banda disponibile. Dal lato del client, il supporto per la gestione del flusso sar\u00e0 offerto il 31 maggio nel prossimo importante rilascio di Tor Browser, basato sulla branca Tor 0.4.7.         <\/p>\n<li class=\"l\"> \u00c8 stata aggiunta una protezione semplificata Vanguards-lite contro attacchi di deanonimizzazione dei servizi onion di breve durata, che riduce il rischio di identificazione dei nodi guard (guard) del servizio onion o del client onion, nel caso in cui il servizio funzioni per meno di un mese (per i servizi onion in funzione per oltre un mese si raccomanda di utilizzare l'estensione vanguards). La base del metodo \u00e8 che i client e i servizi onion sceglieranno automaticamente 4 nodi guard a lungo termine (\"layer 2 guard relay\") da utilizzare a met\u00e0 catena, e questi nodi vengono mantenuti per un tempo casuale (in media una settimana).\n<li class=\"l\"> Per <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1642\">server<\/a> Nella directory \u00e8 stata implementata la possibilit\u00e0 di assegnare il flag MiddleOnly ai relay utilizzando un nuovo metodo per raggiungere il consenso. Il nuovo metodo prevede di spostare la logica per impostare il flag MiddleOnly dal lato del client a quello dei server delle directory. Per i relay contrassegnati come MiddleOnly vengono automaticamente rimossi i flag Exit, Guard, HSDir e V2Dir, e viene impostato il flag BadExit.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57143\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Tor 0.4.7.7, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor. \u0412\u0435\u0440\u0441\u0438\u044f Tor 0.4.7.7 \u043f\u0440\u0438\u0437\u043d\u0430\u043d\u0430 \u043f\u0435\u0440\u0432\u044b\u043c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c \u0432\u0435\u0442\u043a\u0438 0.4.7, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0430\u0441\u044c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0434\u0435\u0441\u044f\u0442\u044c \u043c\u0435\u0441\u044f\u0446\u0435\u0432. \u0412\u0435\u0442\u043a\u0430 0.4.7 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u0442\u044c\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0448\u0442\u0430\u0442\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f &#8212; \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0451\u043d \u0447\u0435\u0440\u0435\u0437 9 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0438\u043b\u0438 \u0447\u0435\u0440\u0435\u0437 3 \u043c\u0435\u0441\u044f\u0446\u0430 \u043f\u043e\u0441\u043b\u0435 \u0440\u0435\u043b\u0438\u0437\u0430 \u0432\u0435\u0442\u043a\u0438 0.4.8.x. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043d\u043e\u0432\u043e\u0439 [&hellip;]<\/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-103974","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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