{"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 0.4.7.7 dello strumento Tor, utilizzato per organizzare il funzionamento della rete anonima Tor. La versione 0.4.7.7 \u00e8 stata riconosciuta come il primo rilascio stabile della serie 0.4.7, che \u00e8 stata sviluppata negli ultimi dieci mesi. La serie 0.4.7 sar\u00e0 supportata nell'ambito del ciclo di supporto standard \u2014 il rilascio degli aggiornamenti sar\u00e0 interrotto dopo 9 mesi o 3 mesi dopo il rilascio della serie 0.4.8.x.    <\/p>\n<p>Principali modifiche alla nuova serie:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata aggiunta l'implementazione del protocollo di controllo del congestionamento RTT (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 mira a ridurre la dimensione delle code nei relay e a superare le attuali limitazioni di larghezza di banda. Finora la velocit\u00e0 di un singolo flusso di download attraverso i nodi di uscita e i servizi onion era limitata 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 (la velocit\u00e0 del flusso con una latenza nella catena di 0,5 secondi \u00e8 = 1000*512\/0,5 = ~1 MB\/sec).\n<p>Per la previsione della larghezza di banda disponibile e la determinazione della dimensione della coda dei pacchetti nel nuovo protocollo, viene utilizzata la stima del tempo di round trip (RTT). La modellizzazione effettuata ha dimostrato che l'adozione del nuovo protocollo nei nodi di uscita e nei servizi onion porter\u00e0 a una riduzione dei ritardi di attesa in coda, all'eliminazione delle limitazioni sulla velocit\u00e0 di flusso, a un incremento delle prestazioni della rete Tor e a un utilizzo pi\u00f9 ottimale della larghezza di banda disponibile. Sul lato client, il supporto per la gestione del flusso sar\u00e0 offerto il 31 maggio nel prossimo rilascio importante di Tor Browser, basato sulla versione Tor 0.4.7.         <\/p>\n<li class=\"l\"> \u00c8 stata aggiunta una protezione semplificata Vanguards-lite contro gli attacchi di de-anonimizzazione sui servizi onion a vita breve, che riduce il rischio di identificare i nodi di guardia (guard) di un servizio onion o un client onion, quando il servizio opera per meno di un mese (per i servizi onion che operano per pi\u00f9 di un mese, si raccomanda di utilizzare l'estensione vanguards). L'essenza del metodo \u00e8 che i client e i servizi onion scelgono automaticamente 4 nodi di guardia a lungo termine (\u00ablayer 2 guard relay\u00bb) da utilizzare nel mezzo della 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 implica il trasferimento della logica per l'impostazione del flag MiddleOnly dalla parte del client ai 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 5.0.0.1 - 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