{"id":181896,"date":"2026-06-04T14:48:10","date_gmt":"2026-06-04T12:48:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/fedora-linux-pomog-vyyavit-problemu-s-bezopasnostyu-v-pochtovom-kliente-outlook"},"modified":"2026-06-04T14:48:10","modified_gmt":"2026-06-04T12:48:10","slug":"fedora-linux-pomog-vyyavit-problemu-s-bezopasnostyu-v-pochtovom-kliente-outlook","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/fedora-linux-pomog-vyyavit-problemu-s-bezopasnostyu-v-pochtovom-kliente-outlook","title":{"rendered":"Fedora Linux pomohl odhalit bezpe\u010dnostn\u00ed probl\u00e9m v po\u0161tovn\u00edm klientovi Outlook","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spr\u00e1vci po\u0161tovn\u00edch server\u016f na b\u00e1zi Fedora Linux si v\u0161imli probl\u00e9m\u016f s fungov\u00e1n\u00edm po\u0161tovn\u00edho klienta Microsoft Outlook po aktualizaci distribu\u010dn\u00ed verze. Diagnostika probl\u00e9mu uk\u00e1zala, \u017ee v nov\u00e9 verzi bal\u00ed\u010dku s IMAP\/POP3 serverem Dovecot 2.4.3 byla ve v\u00fdchoz\u00edm nastaven\u00ed zak\u00e1z\u00e1na autentizace podle protokol\u016f IMAP a POP3 s p\u0159enosem hesla v otev\u0159en\u00e9 podob\u011b v sezen\u00edch bez pou\u017eit\u00ed \u0161ifrov\u00e1n\u00ed. <\/p>\n

U u\u017eivatel\u016f Outlook byla povolena mo\u017enost pro p\u0159ipojen\u00ed k po\u0161tovn\u00edmu serveru s vyu\u017eit\u00edm \u0161ifrov\u00e1n\u00ed, av\u0161ak po\u0161tovn\u00ed klient p\u0159i jej\u00edm nastaven\u00ed nad\u00e1le pou\u017e\u00edval s\u00ed\u0165ov\u00fd port 110 pro POP3 m\u00edsto zm\u011bny \u010d\u00edsla portu na 995, pou\u017e\u00edvan\u00e9ho pro TLS sezen\u00ed k serveru POP3, a nevyu\u017e\u00edval roz\u0161\u00ed\u0159en\u00ed STARTTLS pro p\u0159epnut\u00ed na TLS sezen\u00ed. N\u011bkter\u00e9 star\u00e9 konfigurace Outlook bez upozorn\u011bn\u00ed ignorovaly p\u0159\u00edznak povolen\u00ed TLS \u0161ifrov\u00e1n\u00ed v p\u0159\u00edpad\u011b explicitn\u00edho nastaven\u00ed portu 110 a okam\u017eit\u011b odes\u00edlaly p\u0159\u00edkazy USER a PASS v otev\u0159en\u00e9m textu. Nejstar\u0161\u00ed vyd\u00e1n\u00ed Microsoft Outlook, v n\u011bm\u017e byla probl\u00e9m zaznamen\u00e1n, je datov\u00e1no k roku 2007.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0410\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u044b \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u043d\u0430 \u0431\u0430\u0437\u0435 Fedora Linux \u043e\u0431\u0440\u0430\u0442\u0438\u043b\u0438 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043d\u0430 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u0440\u0430\u0431\u043e\u0442\u043e\u0439 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u0438\u0435\u043d\u0442\u0430 Microsoft Outlook \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430. \u0414\u0438\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u043a\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u043e\u043a\u0430\u0437\u0430\u043b\u0430, \u0447\u0442\u043e \u0432 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 \u0441 IMAP\/POP3-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c Dovecot 2.4.3 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0431\u044b\u043b\u0430 \u0437\u0430\u043f\u0440\u0435\u0449\u0435\u043d\u0430 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c IMAP \u0438 POP3 \u0441 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435\u0439 \u043f\u0430\u0440\u043e\u043b\u044f \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0432\u0438\u0434\u0435 \u0432 \u0441\u0435\u0430\u043d\u0441\u0430\u0445 \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181896","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\udd47Fedora Linux pomohl odhalit bezpe\u010dnostn\u00ed probl\u00e9m v po\u0161tovn\u00edm klientovi Outlook | ProHoster","description":"Spr\u00e1vci po\u0161tovn\u00edch server\u016f na b\u00e1zi Fedora Linux si v\u0161imli probl\u00e9m\u016f s fungov\u00e1n\u00edm po\u0161tovn\u00edho klienta Microsoft Outlook po aktualizaci distribu\u010dn\u00ed 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