{"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\/cs\/blog\/news\/vypusk-novoj-stabilnoj-vetki-tor-0-4-7","title":{"rendered":"Vyd\u00e1n\u00ed nov\u00e9 stabiln\u00ed v\u011btve Tor 0.4.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byla vyd\u00e1na verze n\u00e1stroje Tor 0.4.7.7, kter\u00fd se pou\u017e\u00edv\u00e1 pro organizaci anonymn\u00ed s\u00edt\u011b Tor. Verze Tor 0.4.7.7 byla uzn\u00e1na jako prvn\u00ed stabiln\u00ed verze v\u011btve 0.4.7, kter\u00e1 se vyv\u00edjela posledn\u00edch deset m\u011bs\u00edc\u016f. V\u011btev 0.4.7 bude podporov\u00e1na v r\u00e1mci standardn\u00edho cyklu \u00fadr\u017eby \u2014 vyd\u00e1v\u00e1n\u00ed aktualizac\u00ed bude ukon\u010deno za 9 m\u011bs\u00edc\u016f nebo 3 m\u011bs\u00edce po vyd\u00e1n\u00ed v\u011btve 0.4.8.x.    <\/p>\n<p>Hlavn\u00ed zm\u011bny v nov\u00e9 v\u011btvi:  <\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na implementace protokolu pro \u0159\u00edzen\u00ed p\u0159et\u00ed\u017een\u00ed (RTT Congestion Control), kter\u00fd reguluje provoz p\u0159es s\u00ed\u0165 Tor (mezi klientem a v\u00fdstupn\u00edm uzlem nebo onion slu\u017ebou). Protokol je zam\u011b\u0159en na sn\u00ed\u017een\u00ed velikosti front na rel\u00e9 a p\u0159ekon\u00e1n\u00ed st\u00e1vaj\u00edc\u00edch omezen\u00ed \u0161\u00ed\u0159ky p\u00e1sma. Dosud rychlost jednoho toku stahov\u00e1n\u00ed p\u0159es v\u00fdstupn\u00ed uzly a onion slu\u017eby byla omezena na 1 MB\/s, proto\u017ee okno odes\u00edl\u00e1n\u00ed m\u00e1 pevnou velikost 1000 bun\u011bk na tok a v ka\u017ed\u00e9 bu\u0148ce lze odeslat 512 bajt\u016f dat (rychlost toku p\u0159i zpo\u017ed\u011bn\u00ed 0.5 sekundy = 1000*512\/0.5 = ~1 MB\/s).\n<p>Pro p\u0159edpov\u011b\u010f dostupn\u00e9 \u0161\u00ed\u0159ky p\u00e1sma a ur\u010den\u00ed velikosti fronty paket\u016f se v nov\u00e9m protokolu pou\u017e\u00edv\u00e1 odhad doby p\u0159\u00edjmu a odesl\u00e1n\u00ed (RTT, Round Trip Time). Proveden\u00e9 modelov\u00e1n\u00ed uk\u00e1zalo, \u017ee pou\u017eit\u00ed nov\u00e9ho protokolu na v\u00fdstupn\u00edch uzlech a onion slu\u017eb\u00e1ch povede ke sn\u00ed\u017een\u00ed zpo\u017ed\u011bn\u00ed ve front\u011b, odstran\u011bn\u00ed omezen\u00ed na rychlost toku, zv\u00fd\u0161en\u00ed v\u00fdkonu s\u00edt\u011b Tor a optim\u00e1ln\u011bj\u0161\u00edmu vyu\u017eit\u00ed dostupn\u00e9 \u0161\u00ed\u0159ky p\u00e1sma. Na stran\u011b klienta bude podpora \u0159\u00edzen\u00ed toku nab\u00edzena 31. kv\u011btna v dal\u0161\u00edm v\u00fdznamn\u00e9m vyd\u00e1n\u00ed Tor Browseru, postaven\u00e9ho na v\u011btvi Tor 0.4.7.         <\/p>\n<li class=\"l\"> Byla p\u0159id\u00e1na zjednodu\u0161en\u00e1 ochrana Vanguards-lite proti de-anonymiza\u010dn\u00edm \u00fatok\u016fm na kr\u00e1tkodob\u00e9 onion slu\u017eby, kter\u00e1 sni\u017euje riziko ur\u010den\u00ed str\u00e1\u017en\u00edch uzl\u016f (guard) onion slu\u017eby nebo onion klienta, v situac\u00edch, kdy slu\u017eba funguje m\u00e9n\u011b ne\u017e m\u011bs\u00edc (pro onion slu\u017eby funguj\u00edc\u00ed d\u00e9le ne\u017e m\u011bs\u00edc se doporu\u010duje pou\u017e\u00edvat roz\u0161\u00ed\u0159en\u00ed vanguards). Podstatou metody je, \u017ee onion klienti a slu\u017eby automaticky vyb\u00edraj\u00ed 4 dlouhodob\u011b funguj\u00edc\u00ed str\u00e1\u017en\u00ed uzly (\u201elayer 2 guard relay\u201c) k pou\u017eit\u00ed uprost\u0159ed \u0159et\u011bzce a tyto uzly jsou uchov\u00e1v\u00e1ny n\u00e1hodn\u011b po dobu (v pr\u016fm\u011bru t\u00fdden).\n<li class=\"l\"> Pro <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"servery\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1642\">servery<\/a> V adres\u00e1\u0159i byla zavedena mo\u017enost p\u0159i\u0159azen\u00ed p\u0159\u00edznaku MiddleOnly rel\u00e9\u016fm pomoc\u00ed nov\u00e9 metody dosa\u017een\u00ed konsensu. Nov\u00e1 metoda zahrnuje p\u0159esun logiky nastavov\u00e1n\u00ed p\u0159\u00edznaku MiddleOnly z \u00farovn\u011b klienta na stranu server\u016f adres\u00e1\u0159e. U rel\u00e9 ozna\u010den\u00fdch jako MiddleOnly jsou automaticky odstran\u011bny p\u0159\u00edznaky Exit, Guard, HSDir a V2Dir a je nastaven p\u0159\u00edznak BadExit.    <\/ul>\n<p>Zdroj: <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 5.0.3 - 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