{"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\/ro\/blog\/news\/v-tor-otklyucheny-800-iz-6000-uzlov-iz-za-primeneniya-ustarevshego-po","title":{"rendered":"\u00cen Tor, 800 din 6000 de noduri au fost dezactivate din cauza utiliz\u0103rii unei aplica\u021bii \u00eenvechite.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dezvoltatorii re\u021belei anonime Tor au avertizat<\/a><\/noindex> au anun\u021bat efectuarea unei mari cur\u0103\u021benii a nodurilor care utilizeaz\u0103 software \u00eenvechit, al c\u0103rui suport a fost suspendat. Pe 8 octombrie, aproximativ 800 de noduri \u00eenvechite, care func\u021bioneaz\u0103 \u00een mod de releu (\u00een total re\u021beaua Tor include mai mult de 6000 de astfel de noduri), au fost blocate. Blocatul a fost realizat prin listarea pe serverele directoare a nodurilor problematice. Excluderea din re\u021bea a nodurilor bridge neactualizate este a\u0219teptat\u0103 ulterior. <\/p>\n

\u00cen urm\u0103toarea versiune stabil\u0103 a Tor, programat\u0103 pentru noiembrie, va exista o op\u021biune care, \u00een mod implicit, va respinge conexiunile cu nodurile
\ncare utilizeaz\u0103 versiuni de Tor ale c\u0103ror suport a expirat. O astfel de modificare va permite \u00een viitor, pe m\u0103sur\u0103 ce suportul pentru anumite ramuri \u00eenceteaz\u0103, s\u0103 exclud\u0103 automat din re\u021bea nodurile care nu au migrat la software-ul actualizat la timp. De exemplu, \u00een prezent, \u00eenc\u0103 exist\u0103 noduri \u00een re\u021beaua Tor cu Tor 0.2.4.x, care a fost lansat \u00een 2013, \u00een ciuda faptului c\u0103 suportul continu\u0103<\/a><\/noindex> pentru ramura LTS 0.2.9.<\/p>\n

Operatorii sistemelor \u00eenvechite au fost informa\u021bi despre blocarea planificat\u0103 \u00een septembrie<\/a><\/noindex> prin listele de distribu\u021bie \u0219i trimiterea de avertiz\u0103ri individuale la adresele de contact specificate \u00een c\u00e2mpul ContactInfo. Dup\u0103 avertizare, num\u0103rul de noduri neactualizate a sc\u0103zut de la 1276 la aproximativ 800. Conform estim\u0103rilor preliminare, \u00een prezent, aproximativ 12% din trafic trece prin noduri \u00eenvechite, cea mai mare parte a acestuia fiind legat\u0103 de transmiterea pe tranzit - cota de trafic al nodurilor ie\u0219ire neactualizate reprezint\u0103 doar 1.68% (62 de noduri). Se preconizeaz\u0103 c\u0103 eliminarea nodurilor neactualizate din re\u021bea va influen\u021ba neglijabil dimensiunea re\u021belei \u0219i va conduce la o u\u0219oar\u0103 sc\u0103dere a indicatorilor. graficele<\/a><\/noindex>, care reflect\u0103 starea re\u021belei anonime. <\/p>\n

Prezen\u021ba nodurilor cu software \u00eenvechit \u00een re\u021bea afecteaz\u0103 negativ stabilitatea \u0219i creeaz\u0103 riscuri suplimentare de securitate. Dac\u0103 un administrator nu urm\u0103re\u0219te actualizarea Tor, este probabil s\u0103 aib\u0103 o atitudine neglijent\u0103 fa\u021b\u0103 de actualizarea sistemului \u0219i altor aplica\u021bii de server, ceea ce spore\u0219te riscul prelu\u0103rii controlului asupra nodului \u00een urma atacurilor \u021bintite. <\/p>\n

\u00cen plus, existen\u021ba nodurilor cu versiuni deja nesuportate \u00eempiedic\u0103 corectarea erorilor importante, \u00eempiedic\u0103 implementarea de noi func\u021bionalit\u0103\u021bi ale protocolului \u0219i reduce eficien\u021ba re\u021belei. De exemplu, nodurile neconfirmate, \u00een care se manifest\u0103 eroare<\/a><\/noindex> \u00een procesorul HSv3, duc la cre\u0219terea \u00eent\u00e2rzierilor \u00een gestionarea traficului utilizatorilor \u0219i cresc sarcina general\u0103 asupra re\u021belei din cauza trimiterii de c\u0103tre clien\u021bi a cererilor repetate dup\u0103 e\u0219ecurile \u00een gestionarea conexiunilor HSv3.<\/p>\n

<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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