{"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\/es\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-1","title":{"rendered":"Lanzamiento de la nueva rama estable de 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\">Presentado<\/a><\/noindex> lanzamiento de herramientas <noindex><a rel=\"nofollow\" href=\"https:\/\/www.torproject.org\/\">Tor 0.4.1.5<\/a><\/noindex>, utilizado para organizar el funcionamiento de la red an\u00f3nima Tor. Tor 0.4.1.5 se considera la primera versi\u00f3n estable de la rama 0.4.1, que ha estado en desarrollo durante los \u00faltimos cuatro meses. La rama 0.4.1 ser\u00e1 mantenida dentro del ciclo regular de soporte; el lanzamiento de actualizaciones se detendr\u00e1 dentro de 9 meses o 3 meses despu\u00e9s del lanzamiento de la rama 0.4.2.x. Se proporcionar\u00e1 un ciclo de soporte prolongado (LTS) para la rama 0.3.5, cuyas actualizaciones se lanzar\u00e1n hasta el 1 de febrero de 2022.<\/p>\n<p>Novedades principales:<\/p>\n<ul>\n<li class=\"l\"> Se ha implementado soporte experimental para el relleno adicional a nivel de los circuitos, lo que permite reforzar la protecci\u00f3n contra t\u00e9cnicas de detecci\u00f3n de tr\u00e1fico de Tor. El cliente ahora a\u00f1ade celdas de relleno (padding cells) al principio de los circuitos <noindex><a rel=\"nofollow\" href=\"https:\/\/2019.www.torproject.org\/docs\/onion-services.html.en\">INTRODUCE y RENDEZVOUS<\/a><\/noindex>, haciendo que el tr\u00e1fico de estos circuitos se asemeje m\u00e1s al tr\u00e1fico saliente normal. El costo de reforzar la protecci\u00f3n es la adici\u00f3n de dos celdas adicionales en cada direcci\u00f3n para los circuitos RENDEZVOUS, as\u00ed como una celda superior y 10 celdas inferiores para los circuitos INTRODUCE. Este m\u00e9todo se activa al especificar la opci\u00f3n MiddleNodes en la configuraci\u00f3n y se puede desactivar a trav\u00e9s de la opci\u00f3n CircuitPadding;\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/2019.www.torproject.org\/images\/tor-onion-services-3.png\"><img decoding=\"async\" alt=\"Lanzamiento de la nueva rama estable de 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\">Se ha a\u00f1adido<\/a><\/noindex> soporte de celdas autenticadas SENDME para proteger contra <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51309\">ataques DoS<\/a><\/noindex>, basados en la creaci\u00f3n de carga parasitaria, cuando el cliente solicita la descarga de archivos grandes y pausa las operaciones de lectura despu\u00e9s de enviar solicitudes, pero contin\u00faa enviando comandos de control SENDME que instruyen a los nodos de entrada a seguir transmitiendo datos. Cada celda<br \/>\nSENDME ahora incluye un hash del tr\u00e1fico que confirma y el nodo final, al recibir la celda SENDME puede asegurarse de que la otra parte ya ha recibido el tr\u00e1fico enviado en el procesamiento de celdas anteriores;<\/p>\n<li class=\"l\"> Se incluye una implementaci\u00f3n de un subsistema general para la transmisi\u00f3n de mensajes en modo publicador-suscriptor, que puede usarse para organizar la interacci\u00f3n entre m\u00f3dulos;\n<li class=\"l\"> Se ha utilizado un subsistema de an\u00e1lisis general para interpretar los comandos de control en lugar de un an\u00e1lisis separado de los datos de entrada de cada comando;\n<li class=\"l\"> Se ha llevado a cabo una optimizaci\u00f3n del rendimiento que reduce la carga en la CPU. Tor ahora utiliza un generador r\u00e1pido de n\u00fameros pseudoaleatorios (PRNG) separado para cada hilo, basado en el uso del modo de cifrado AES-CTR y en la utilizaci\u00f3n de construcciones de acoplamiento como en libottery y el nuevo c\u00f3digo arc4random() de OpenBSD. Para peque\u00f1os vol\u00famenes de salida, el generador propuesto funciona casi 100 veces m\u00e1s r\u00e1pido que el CSPRNG de OpenSSL 1.1.1. Aunque los desarrolladores de Tor eval\u00faan que el nuevo PRNG es criptogr\u00e1ficamente confiable, por ahora solo se utiliza en lugares que requieren un alto rendimiento, como en el c\u00f3digo de programaci\u00f3n de rellenado adicional.\n<li class=\"l\"> Se ha a\u00f1adido la opci\u00f3n \u00ab--list-modules\u00bb para mostrar la lista de m\u00f3dulos habilitados;\n<li class=\"l\"> Para la tercera versi\u00f3n del protocolo de servicios ocultos, se ha implementado el comando HSFETCH, que anteriormente solo era compatible con la segunda versi\u00f3n.\n<li class=\"l\"> Se han corregido errores en el c\u00f3digo de inicio de Tor (bootstrap) y en la operaci\u00f3n de la tercera versi\u00f3n del protocolo de servicios ocultos.\n<\/ul>\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=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 5.0.2 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