{"id":103974,"date":"2022-05-07T03:36:41","date_gmt":"2022-05-07T01:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7"},"modified":"2022-05-07T03:36:41","modified_gmt":"2022-05-07T01:36:41","slug":"vypusk-novoj-stabilnoj-vetki-tor-0-4-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7","title":{"rendered":"Lancement de la nouvelle branche stable Tor 0.4.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version 0.4.7.7 de l'outil Tor, utilis\u00e9 pour organiser le fonctionnement du r\u00e9seau anonyme Tor, a \u00e9t\u00e9 pr\u00e9sent\u00e9e. La version 0.4.7.7 est reconnue comme la premi\u00e8re version stable de la branche 0.4.7, qui a \u00e9t\u00e9 d\u00e9velopp\u00e9e au cours des dix derniers mois. La branche 0.4.7 sera accompagn\u00e9e dans le cadre du cycle de maintenance standard ; la publication des mises \u00e0 jour sera arr\u00eat\u00e9e dans 9 mois ou 3 mois apr\u00e8s la sortie de la branche 0.4.8.x.    <\/p>\n<p>Principales modifications dans la nouvelle branche :  <\/p>\n<ul>\n<li class=\"l\"> Ajout de la mise en \u0153uvre du protocole de contr\u00f4le de congestion RTT (Round Trip Time), qui r\u00e9gule le trafic \u00e0 travers le r\u00e9seau Tor (entre le client et le n\u0153ud de sortie ou le service onion). Ce protocole vise \u00e0 r\u00e9duire la taille des files d'attente sur les relais et \u00e0 surmonter les limitations de bande passante existantes. Jusqu'\u00e0 pr\u00e9sent, la vitesse d'un flux de t\u00e9l\u00e9chargement \u00e0 travers les n\u0153uds de sortie et les services onion \u00e9tait limit\u00e9e \u00e0 1 Mo\/s, car la fen\u00eatre d'envoi a une taille fixe de 1000 cellules par flux, et chaque cellule peut contenir 512 octets de donn\u00e9es (vitesse du flux avec un d\u00e9lai dans la cha\u00eene de 0,5 seconde = 1000*512\/0,5 = ~1 Mo\/s).\n<p>Pour pr\u00e9dire la bande passante disponible et d\u00e9terminer la taille de la file d'attente des paquets, le nouveau protocole utilise l'estimation du temps aller-retour (RTT, Round Trip Time). La mod\u00e9lisation r\u00e9alis\u00e9e a montr\u00e9 que l'application du nouveau protocole sur les n\u0153uds de sortie et les services onion entra\u00eenerait une r\u00e9duction des d\u00e9lais d'attente dans la file d'attente, lev\u00e9e des limitations de vitesse du flux, augmentation des performances du r\u00e9seau Tor et une utilisation plus optimale de la bande passante disponible. Du c\u00f4t\u00e9 client, la prise en charge du contr\u00f4le de flux sera propos\u00e9e le 31 mai dans la prochaine version majeure de Tor Browser, bas\u00e9e sur la branche Tor 0.4.7.         <\/p>\n<li class=\"l\"> Une protection simplifi\u00e9e Vanguards-lite contre les attaques de d\u00e9-anonymisation des services onion \u00e0 courte dur\u00e9e de vie a \u00e9t\u00e9 ajout\u00e9e, r\u00e9duisant le risque d'identification des n\u0153uds de guard des services onion ou des clients onion, lorsque le service fonctionne pendant moins d'un mois (pour les services onion fonctionnant plus d'un mois, il est recommand\u00e9 d'utiliser le compl\u00e9ment vanguards). Le principe de la m\u00e9thode est que les clients et services onion choisissent automatiquement 4 n\u0153uds de guard de longue dur\u00e9e (\u00ab layer 2 guard relay \u00bb) \u00e0 utiliser au milieu de la cha\u00eene, et ces n\u0153uds sont conserv\u00e9s pendant un temps al\u00e9atoire (en moyenne une semaine).\n<li class=\"l\"> Pour <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/\"   title=\"serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1642\">serveurs<\/a> Dans le r\u00e9pertoire, une nouvelle possibilit\u00e9 de nomination des relais avec le drapeau MiddleOnly a \u00e9t\u00e9 mise en \u0153uvre gr\u00e2ce \u00e0 une nouvelle m\u00e9thode d'atteinte du consensus. Cette m\u00e9thode implique de d\u00e9placer la logique de d\u00e9finition du drapeau MiddleOnly du niveau client vers le c\u00f4t\u00e9 des serveurs de r\u00e9pertoires. Pour les relais marqu\u00e9s MiddleOnly, les drapeaux Exit, Guard, HSDir et V2Dir sont automatiquement d\u00e9sactiv\u00e9s, et le drapeau BadExit est activ\u00e9.    <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57143\">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 0.4.7.7, \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. \u0412\u0435\u0440\u0441\u0438\u044f Tor 0.4.7.7 \u043f\u0440\u0438\u0437\u043d\u0430\u043d\u0430 \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 0.4.7, \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 \u0434\u0435\u0441\u044f\u0442\u044c \u043c\u0435\u0441\u044f\u0446\u0435\u0432. \u0412\u0435\u0442\u043a\u0430 0.4.7 \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 0.4.8.x. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043d\u043e\u0432\u043e\u0439 [&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-103974","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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