{"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\/es\/blog\/news\/v-tor-otklyucheny-800-iz-6000-uzlov-iz-za-primeneniya-ustarevshego-po","title":{"rendered":"En Tor se han desactivado 800 de 6000 nodos debido a la utilizaci\u00f3n de software obsoleto","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Desarrolladores de la red an\u00f3nima Tor <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.torproject.org\/removing-end-life-relays-network\">advirtieron<\/a><\/noindex> sobre la realizaci\u00f3n de una gran limpieza de nodos que utilizan software obsoleto, cuyo soporte ha sido descontinuado. El 8 de octubre se bloquearon alrededor de 800 nodos obsoletos que operan en modo relay (en total hay m\u00e1s de 6000 de tales nodos en la red Tor). El bloqueo se realiz\u00f3 mediante la inclusi\u00f3n en los servidores de directorios de una lista negra de los nodos problem\u00e1ticos. Se espera que la exclusi\u00f3n de los nodos puente no actualizados se lleve a cabo m\u00e1s adelante. <\/p>\n<p>En la pr\u00f3xima versi\u00f3n estable de Tor, prevista para noviembre, se incluir\u00e1 una opci\u00f3n que por defecto rechazar\u00e1 conexiones con nodos<br \/>\nque utilizan versiones de Tor cuyo per\u00edodo de soporte ha finalizado. Este cambio permitir\u00e1 que, a medida que se termine el soporte para las diferentes ramas, se excluyan autom\u00e1ticamente de la red aquellos nodos que no se actualicen a tiempo. Por ejemplo, actualmente en la red Tor todav\u00eda se encuentran nodos con Tor 0.2.4.x, que fue lanzado en 2013, a pesar de que hasta ahora <noindex><a rel=\"nofollow\" href=\"https:\/\/trac.torproject.org\/projects\/tor\/wiki\/org\/teams\/NetworkTeam\/CoreTorReleases#Listofreleases\">contin\u00faa el soporte<\/a><\/noindex>  de la rama LTS 0.2.9.<\/p>\n<p>Los operadores de sistemas obsoletos fueron notificados sobre el bloqueo planificado en <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.torproject.org\/pipermail\/tor-relays\/2019-September\/017711.html\">septiembre<\/a><\/noindex> a trav\u00e9s de listas de distribuci\u00f3n y el env\u00edo de advertencias individuales a las direcciones de contacto especificadas en el campo ContactInfo. Despu\u00e9s de la advertencia, el n\u00famero de nodos no actualizados se redujo de 1276 a aproximadamente 800. Seg\u00fan una evaluaci\u00f3n preliminar, actualmente alrededor del 12% del tr\u00e1fico pasa a trav\u00e9s de nodos obsoletos, gran parte del cual est\u00e1 relacionado con la transmisi\u00f3n en tr\u00e1nsito: la proporci\u00f3n de tr\u00e1fico de nodos de salida no actualizados es solo del 1.68% (62 nodos). Se prev\u00e9 que la eliminaci\u00f3n de nodos no actualizados de la red tenga un impacto insignificante en el tama\u00f1o de la red y resulte en una leve disminuci\u00f3n en los indicadores de <noindex><a rel=\"nofollow\" href=\"https:\/\/metrics.torproject.org\/\">los gr\u00e1ficos<\/a><\/noindex>, que reflejan el estado de la red an\u00f3nima. <\/p>\n<p>La presencia de nodos en la red con software obsoleto afecta negativamente la estabilidad y crea riesgos adicionales de violaci\u00f3n de la seguridad. Si un administrador no se encarga de actualizar Tor, es probable que sea negligente con la actualizaci\u00f3n del sistema y otras aplicaciones de servidor, lo que aumenta el riesgo de que se tome control sobre el nodo como resultado de ataques dirigidos. <\/p>\n<p>Adem\u00e1s, la presencia de nodos con versiones ya no soportadas dificulta la correcci\u00f3n de errores importantes, impide la difusi\u00f3n de nuevas funcionalidades del protocolo y reduce la eficiencia del trabajo de la red. Por ejemplo, los nodos no actualizados, en los que se manifiesta <noindex><a rel=\"nofollow\" href=\"https:\/\/trac.torproject.org\/projects\/tor\/ticket\/27841\">error<\/a><\/noindex> en el procesador HSv3, llevan a un aumento de la latencia al pasar el tr\u00e1fico de los usuarios a trav\u00e9s de ellos y aumentan la carga general en la red debido al env\u00edo de solicitudes repetidas por parte de los clientes tras fallos en el procesamiento de las conexiones HSv3.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <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 5.0.2 - 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 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