{"id":37309,"date":"2019-10-31T22:16:54","date_gmt":"2019-10-31T19:16:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-novoj-stabilnoj-vetki-tor-0-4-1\/"},"modified":"2019-10-31T22:16:54","modified_gmt":"2019-10-31T19:16:54","slug":"vypusk-novoj-stabilnoj-vetki-tor-0-4-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-1","title":{"rendered":"Uscita del nuovo ramo stabile Tor 0.4.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.torproject.org\/new-release-tor-0415\">Presentato<\/a><\/noindex> uscita dello strumento <noindex><a rel=\"nofollow\" href=\"https:\/\/www.torproject.org\/\">Tor 0.4.1.5<\/a><\/noindex>, utilizzato per organizzare il funzionamento della rete anonima Tor. Tor 0.4.1.5 \u00e8 stato riconosciuto come la prima versione stabile del ramo 0.4.1, che si \u00e8 sviluppato negli ultimi quattro mesi. Il ramo 0.4.1 sar\u00e0 supportato nell'ambito del ciclo di supporto standard \u2014 il rilascio di aggiornamenti sar\u00e0 interrotto dopo 9 mesi o 3 mesi dopo il rilascio del ramo 0.4.2.x. Un ciclo di supporto a lungo termine (LTS) \u00e8 garantito per il ramo 0.3.5, per il quale saranno rilasciati aggiornamenti fino al 1 febbraio 2022.<\/p>\n<p>Novit\u00e0 principali:<\/p>\n<ul>\n<li class=\"l\"> \u00c8 stato implementato il supporto sperimentale per il riempimento aggiuntivo a livello di catene, che consente di aumentare la protezione dai metodi di identificazione del traffico Tor. Il client ora aggiunge celle di riempimento (padding cells) all'inizio delle catene <noindex><a rel=\"nofollow\" href=\"https:\/\/2019.www.torproject.org\/docs\/onion-services.html.en\">INTRODUCE e RENDEZVOUS<\/a><\/noindex>, rendendo il traffico di queste catene pi\u00f9 simile al traffico in uscita normale. Il prezzo dell'aumento della protezione \u00e8 l'aggiunta di due celle aggiuntive in ciascuna direzione per le catene RENDEZVOUS, nonch\u00e9 di una cella superiore e 10 celle inferiori per le catene INTRODUCE. Il metodo viene attivato indicando nelle impostazioni l'opzione MiddleNodes e pu\u00f2 essere disattivato tramite l'opzione CircuitPadding;\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/2019.www.torproject.org\/images\/tor-onion-services-3.png\"><img decoding=\"async\" alt=\"Uscita del nuovo ramo stabile Tor 0.4.1 \" src=\"\/wp-content\/uploads\/2019\/08\/bb9ba343cac523d93cd9127ba5be77e8.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.torproject.org\/26288\">\u00c8 stata aggiunta<\/a><\/noindex> supporto per celle autentificate SENDME per proteggersi da <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51309\">attacchi DoS<\/a><\/noindex>, basati sulla creazione di un carico parassitario, nel caso in cui il client richieda il download di file di grandi dimensioni e sospenda le operazioni di lettura dopo aver inviato le richieste, ma continui a inviare comandi di controllo SENDME, istruendo i nodi di ingresso a continuare a inviare dati. Ogni cella<br \/>\nSENDME ora include l'hash del traffico che conferma e il nodo finale, al momento della ricezione della cella SENDME, pu\u00f2 verificare che l'altra parte abbia gi\u00e0 ricevuto il traffico inviato durante l'elaborazione delle celle precedenti;<\/p>\n<li class=\"l\"> \u00c8 stata inclusa l'implementazione di un sottosistema generalizzato per la trasmissione di messaggi in modalit\u00e0 publisher-subscriber, che pu\u00f2 essere utilizzato per organizzare l'interazione intra-modulo;\n<li class=\"l\"> Per l'analisi dei comandi di controllo \u00e8 stato impiegato un sottosistema generalizzato di parsing anzich\u00e9 un'analisi separata dei dati di ingresso di ciascun comando;\n<li class=\"l\"> \u00c8 stata ottimizzata la performance, riducendo il carico sulla CPU. Tor ora utilizza un generatore di numeri pseudocasuali (PRNG) veloce e separato per ogni thread, basato sulla crittografia AES-CTR e sull'uso di buffer come in libottery e nel nuovo codice arc4random() di OpenBSD. Per piccoli output, il generatore proposto \u00e8 quasi 100 volte pi\u00f9 veloce del CSPRNG di OpenSSL 1.1.1. Anche se il nuovo PRNG \u00e8 considerato criptograficamente sicuro dagli sviluppatori di Tor, \u00e8 attualmente utilizzato solo in contesti che richiedono elevate performance, ad esempio nel codice di programmazione dell'attaccamento del riempimento aggiuntivo;\n<li class=\"l\"> Aggiunta l'opzione \u00ab--list-modules\u00bb per visualizzare l'elenco dei moduli abilitati;\n<li class=\"l\"> Per la terza versione del protocollo dei servizi nascosti \u00e8 stato implementato il comando HSFETCH, precedentemente supportato solo nella seconda versione;\n<li class=\"l\"> Correzione di bug nel codice di avvio di Tor (bootstrap) e garanzia del funzionamento della terza versione del protocollo dei servizi nascosti.\n<\/ul>\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=51320\">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 0.4.1.5, \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. Tor 0.4.1.5 \u043f\u0440\u0438\u0437\u043d\u0430\u043d \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 0.4.1, \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 \u0447\u0435\u0442\u044b\u0440\u0435 \u043c\u0435\u0441\u044f\u0446\u0430. \u0412\u0435\u0442\u043a\u0430 0.4.1 \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 0.4.2.x. \u0414\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 (LTS) \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27988,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-37309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 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