{"id":38794,"date":"2019-10-31T22:25:59","date_gmt":"2019-10-31T19:25:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-tor-otklyucheny-800-iz-6000-uzlov-iz-za-primeneniya-ustarevshego-po\/"},"modified":"2019-10-31T22:25:59","modified_gmt":"2019-10-31T19:25:59","slug":"v-tor-otklyucheny-800-iz-6000-uzlov-iz-za-primeneniya-ustarevshego-po","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/v-tor-otklyucheny-800-iz-6000-uzlov-iz-za-primeneniya-ustarevshego-po","title":{"rendered":"In Tor sono stati disattivati 800 nodi su 6000 a causa dell'uso di software obsoleto","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Sviluppatori della rete anonima Tor <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.torproject.org\/removing-end-life-relays-network\">hanno avvertito<\/a><\/noindex> di aver effettuato una grande pulizia dei nodi che utilizzano software obsoleto, il cui supporto \u00e8 stato interrotto. L'8 ottobre sono stati bloccati circa 800 nodi obsoleti che operano in modalit\u00e0 relay (ci sono pi\u00f9 di 6000 nodi simili nella rete Tor). Il blocco \u00e8 stato effettuato attraverso l'inserimento su server directory della blacklist dei nodi problematici. L'esclusione dalla rete dei nodi bridge non aggiornati \u00e8 attesa in seguito. <\/p>\n<p>Nella prossima versione stabile di Tor, prevista per novembre, ci sar\u00e0 un'opzione che, per impostazione predefinita, rifiuta le connessioni ai nodi<br \/>\nche utilizzano versioni di Tor il cui tempo di supporto \u00e8 scaduto. Questa modifica permetter\u00e0 in futuro, man mano che il supporto di varie versioni verr\u00e0 interrotto, di escludere automaticamente dalla rete i nodi che non sono stati aggiornati in tempo. Ad esempio, attualmente nella rete Tor sono ancora presenti nodi con Tor 0.2.4.x, rilasciato nel 2013, nonostante <noindex><a rel=\"nofollow\" href=\"https:\/\/trac.torproject.org\/projects\/tor\/wiki\/org\/teams\/NetworkTeam\/CoreTorReleases#Listofreleases\">il supporto sia ancora attivo<\/a><\/noindex>  per i rami LTS 0.2.9.<\/p>\n<p>Gli operatori dei sistemi obsoleti sono stati avvisati del blocco previsto nel <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.torproject.org\/pipermail\/tor-relays\/2019-September\/017711.html\">settembre<\/a><\/noindex> tramite liste di distribuzione e l'invio di avvisi individuali agli indirizzi di contatto specificati nel campo ContactInfo. Dopo l'avviso, il numero di nodi non aggiornati \u00e8 diminuito da 1276 a circa 800. Secondo le stime preliminari, attualmente circa il 12% del traffico passa attraverso nodi obsoleti, gran parte del quale \u00e8 relativo al passaggio in transito \u2014 la proporzione di traffico proveniente da nodi di uscita non aggiornati \u00e8 solo dell'1,68% (62 nodi). Si prevede che la disconnessione della rete dei nodi obsoleti avr\u00e0 un impatto trascurabile sulle dimensioni della rete e porter\u00e0 a un leggero calo delle prestazioni su <noindex><a rel=\"nofollow\" href=\"https:\/\/metrics.torproject.org\/\">grafici<\/a><\/noindex>, che riflettono lo stato della rete anonima. <\/p>\n<p>La presenza nella rete di nodi con software obsoleto influisce negativamente sulla stabilit\u00e0 e crea ulteriori rischi per la sicurezza. Se un amministratore non tiene d'occhio l'aggiornamento di Tor, \u00e8 probabile che mostri negligenza anche nell'aggiornamento del sistema e di altre applicazioni server, aumentando cos\u00ec il rischio di presa di controllo del nodo a seguito di attacchi mirati. <\/p>\n<p>Inoltre, la presenza di nodi con versioni non pi\u00f9 supportate ostacola la correzione di errori critici, impedisce la diffusione di nuove funzionalit\u00e0 del protocollo e riduce l'efficacia operativa della rete. Ad esempio, i nodi non autorizzati, in cui si manifesta <noindex><a rel=\"nofollow\" href=\"https:\/\/trac.torproject.org\/projects\/tor\/ticket\/27841\">l'errore<\/a><\/noindex> nell'elaboratore HSv3, portano a un aumento dei ritardi nel passaggio del traffico utente attraverso di essi e aumentano il carico complessivo sulla rete a causa dell'invio da parte dei clienti di richieste ripetute dopo guasti nell'elaborazione delle connessioni HSv3.<\/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=51645\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0438 \u043e \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u0447\u0438\u0441\u0442\u043a\u0438 \u0443\u0437\u043b\u043e\u0432, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0435\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430. 8 \u043e\u043a\u0442\u044f\u0431\u0440\u044f \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u043e\u043a\u043e\u043b\u043e 800 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 \u0443\u0437\u043b\u043e\u0432, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0440\u0435\u043b\u0435\u0435\u0432 (\u0432\u0441\u0435\u0433\u043e \u0432 \u0441\u0435\u0442\u0438 Tor \u0431\u043e\u043b\u0435\u0435 6000 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u0443\u0437\u043b\u043e\u0432). \u0411\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0430 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0447\u0435\u0440\u0435\u0437 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440\u0438\u0439 \u0447\u0451\u0440\u043d\u043e\u0433\u043e \u0441\u043f\u0438\u0441\u043a\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u0445 \u0443\u0437\u043b\u043e\u0432. \u0418\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0438\u0437 \u0441\u0435\u0442\u0438 \u043d\u0435\u043e\u0431\u043d\u043e\u0432\u043b\u0451\u043d\u043d\u044b\u0445 \u043c\u043e\u0441\u0442\u043e\u0432\u044b\u0445 \u0443\u0437\u043b\u043e\u0432 [&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-38794","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0438 \u043e \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u0447\u0438\u0441\u0442\u043a\u0438 \u0443\u0437\u043b\u043e\u0432, \u043d\u0430 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