{"id":38528,"date":"2019-10-31T22:24:20","date_gmt":"2019-10-31T19:24:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-nochnyh-sborkah-firefox-otklyuchena-podderzhka-tls-1-0-i-tls-1-1\/"},"modified":"2019-10-31T22:24:20","modified_gmt":"2019-10-31T19:24:20","slug":"v-nochnyh-sborkah-firefox-otklyuchena-podderzhka-tls-1-0-i-tls-1-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-nochnyh-sborkah-firefox-otklyuchena-podderzhka-tls-1-0-i-tls-1-1","title":{"rendered":"Ve no\u010dn\u00edch verz\u00edch Firefoxu byla deaktivov\u00e1na podpora TLS 1.0 a TLS 1.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V no\u010dn\u00edch sestaven\u00edch<\/a><\/noindex> Firefox jako v\u00fdchoz\u00ed byla zak\u00e1z\u00e1na<\/a><\/noindex> podpora protokol\u016f TLS 1.0 a TLS 1.1 (nastaven\u00ed security.tls.version.min bylo nastaveno na hodnotu 3, co\u017e stanovuje TLS 1.2 jako minim\u00e1ln\u00ed verzi). V stabiln\u00edch verz\u00edch pl\u00e1nuj\u00ed ukon\u010dit podporu TLS 1.0\/1.1 v b\u0159eznu 2020. V prohl\u00ed\u017ee\u010di Chrome bude podpora TLS 1.0\/1.1 p\u0159eru\u0161ena v Chrome 81, kter\u00fd se o\u010dek\u00e1v\u00e1 v lednu 2020. <\/p>\n

Specifikace TLS 1.0 byla zve\u0159ejn\u011bna v lednu 1999. O sedm let pozd\u011bji byla vyd\u00e1na aktualizace TLS 1.1 s vylep\u0161en\u00edmi v oblasti bezpe\u010dnosti, kter\u00e1 se t\u00fdkala generov\u00e1n\u00ed inicializa\u010dn\u00edch vektor\u016f a dopl\u0148kov\u00e9ho vypln\u011bn\u00ed. V sou\u010dasnosti se v\u00fdvojem protokol\u016f a architektury internetu zab\u00fdv\u00e1 v\u00fdbor IETF (Internet Engineering Task Force),
\nvyv\u00edj\u00ed<\/a><\/noindex> n\u00e1vrh specifikace, kter\u00fd p\u0159ev\u00e1d\u00ed protokoly TLS 1.0\/1.1 do kategorie zastaral\u00fdch. Podle \u00fadaj\u016f slu\u017eby SSL Pulse<\/a><\/noindex> k 3. z\u00e1\u0159\u00ed podporuje protokol TLS 1.2 95,8 % webov\u00fdch str\u00e1nek, kter\u00e9 umo\u017e\u0148uj\u00ed nav\u00e1z\u00e1n\u00ed zabezpe\u010den\u00fdch spojen\u00ed, zat\u00edmco TLS 1.3 - 17,7 %. Spojen\u00ed p\u0159es TLS 1.1 podporuje 75,5 % HTTPS str\u00e1nek a TLS 1.0 - 65,5 %.<\/p>\n

Hlavn\u00edmi probl\u00e9my TLS 1.0\/1.1 jsou absence podpory modern\u00edch \u0161ifrovac\u00edch metod (nap\u0159\u00edklad ECDHE a AEAD) a po\u017eadavek na podporu star\u0161\u00edch \u0161ifrovac\u00edch metod, jejich\u017e spolehlivost je v sou\u010dasn\u00e9 dob\u011b zpochyb\u0148ov\u00e1na (nap\u0159\u00edklad je vy\u017eadov\u00e1na podpora TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, pro kontrolu integrity a autentizaci se pou\u017e\u00edv\u00e1 MD5 a SHA-1). Podpora zastaral\u00fdch algoritm\u016f ji\u017e vedla k \u00fatok\u016fm, jako je
\nROBOT<\/a><\/noindex>, DROWN<\/a><\/noindex>, BEAST<\/a><\/noindex>, Logjam<\/a><\/noindex> a FREAK<\/a><\/noindex>. Nicm\u00e9n\u011b, tyto probl\u00e9my nebyly p\u0159\u00edmo zranitelnostmi protokolu a byly vy\u0159e\u0161eny na \u00farovni jeho implementac\u00ed. V samotn\u00fdch protokolech TLS 1.0\/1.1 neexistuj\u00ed kritick\u00e9 zranitelnosti, kter\u00e9 by mohly b\u00fdt vyu\u017eity k prov\u00e1d\u011bn\u00ed praktick\u00fdch \u00fatok\u016f.<\/p>\n

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

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

\u0412 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 Firefox \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 TLS 1.0 \u0438 TLS 1.1 (\u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 security.tls.version.min \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0432 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 3, \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u044e\u0449\u0435\u0435 TLS 1.2 \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e). \u0412 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 TLS 1.0\/1.1 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0442 \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u043c\u0430\u0440\u0442\u0435 2020 \u0433\u043e\u0434\u0430. \u0412 Chrome \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 TLS 1.0\/1.1 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u0432 Chrome 81, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0432 \u044f\u043d\u0432\u0430\u0440\u0435 2020 \u0433\u043e\u0434\u0430. \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f TLS 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