V\u00fdbor IETF (Internet Engineering Task Force), kter\u00fd se zab\u00fdv\u00e1 rozvojem protokol\u016f a architektury Internetu, zve\u0159ejnil RFC 8996, kter\u00e9 ofici\u00e1ln\u011b klasifikuje protokoly TLS 1.0 a 1.1 jako zastaral\u00e9 technologie. <\/p>\n
Specifikace TLS 1.0 byla publikov\u00e1na v lednu 1999. O sedm let pozd\u011bji bylo vyd\u00e1no aktualizovan\u00e9 verze TLS 1.1 s bezpe\u010dnostn\u00edmi vylep\u0161en\u00edmi t\u00fdkaj\u00edc\u00edmi se generov\u00e1n\u00ed inicia\u010dn\u00edch vektor\u016f a paddingu. Podle slu\u017eby SSL<\/a> K 16. lednu podporuje protokol TLS 1.2 95,2 % webov\u00fdch str\u00e1nek, kter\u00e9 umo\u017e\u0148uj\u00ed zabezpe\u010den\u00e9 p\u0159ipojen\u00ed, a TLS 1.3 \u2014 14,2 %. P\u0159ipojen\u00ed prost\u0159ednictv\u00edm TLS 1.1 umo\u017e\u0148uje 77,4 % HTTPS str\u00e1nek a TLS 1.0 \u2014 68 %. P\u0159ibli\u017en\u011b 21 % z prvn\u00ed stovky tis\u00edc str\u00e1nek uveden\u00fdch v \u017eeb\u0159\u00ed\u010dku Alexa st\u00e1le nepou\u017e\u00edv\u00e1 HTTPS. <\/p>\n Hlavn\u00edmi probl\u00e9my TLS 1.0\/1.1 je absence podpory modern\u00edch \u0161ifer (nap\u0159\u00edklad ECDHE a AEAD) a p\u0159\u00edtomnost v specifikaci po\u017eadavku na podporu zastaral\u00fdch \u0161ifer, jejich\u017e spolehlivost byla v sou\u010dasnosti zpochybn\u011bna (nap\u0159\u00edklad je po\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 ROBOT, DROWN, BEAST, Logjam a FREAK. Nicm\u00e9n\u011b, tyto probl\u00e9my nejsou p\u0159\u00edmo zranitelnostmi protokolu a byly \u0159e\u0161eny na \u00farovni jeho implementac\u00ed. Ve vlastn\u00edch protokolech TLS 1.0\/1.1 nejsou \u017e\u00e1dn\u00e9 kritick\u00e9 zranitelnosti, kter\u00e9 by mohly b\u00fdt vyu\u017eity k prov\u00e1d\u011bn\u00ed praktick\u00fdch \u00fatok\u016f. \u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0418\u043d\u0442\u0435\u0440\u043d\u0435\u0442, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b RFC 8996, \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u044f\u0449\u0438\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b TLS 1.0 \u0438 1.1 \u0432 \u0440\u0430\u0437\u0440\u044f\u0434 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439. \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f TLS 1.0 \u0431\u044b\u043b\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u0432 \u044f\u043d\u0432\u0430\u0440\u0435 1999 \u0433\u043e\u0434\u0430. \u0421\u043f\u0443\u0441\u0442\u044f \u0441\u0435\u043c\u044c \u043b\u0435\u0442 \u0431\u044b\u043b\u043e \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 TLS 1.1 \u0441 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f\u043c\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c\u0438 \u0441 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0435\u0439 \u0432\u0435\u043a\u0442\u043e\u0440\u043e\u0432 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438 \u0434\u043e\u0431\u0430\u0432\u043e\u0447\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f. \u041f\u043e […]<\/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-99553","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47TLS 1.0 a 1.1 byly ofici\u00e1ln\u011b uzn\u00e1ny jako zastaral\u00e9 | ProHoster","description":"V\u00fdbor IETF (Internet Engineering Task Force), kter\u00fd se zab\u00fdv\u00e1 rozvojem protokol\u016f a architektury Internetu, zve\u0159ejnil RFC 8996, kter\u00e9 ofici\u00e1ln\u011b 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\u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0418\u043d\u0442\u0435\u0440\u043d\u0435\u0442, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b RFC 8996, \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u044f\u0449\u0438\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b TLS 1.0 \u0438 1.1 \u0432 \u0440\u0430\u0437\u0440\u044f\u0434 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"