{"id":181897,"date":"2026-06-04T14:48:13","date_gmt":"2026-06-04T12:48:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-filtruyushhego-proksi-privoxy-4-2-0"},"modified":"2026-06-04T14:48:13","modified_gmt":"2026-06-04T12:48:13","slug":"vypusk-filtruyushhego-proksi-privoxy-4-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-filtruyushhego-proksi-privoxy-4-2-0","title":{"rendered":"Vyd\u00e1n\u00ed filtra\u010dn\u00edho proxy Privoxy 4.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n release proxy serveru Privoxy 4.2.0, ur\u010den\u00e9ho k vytv\u00e1\u0159en\u00ed osobn\u00edch filtr\u016f webov\u00e9ho obsahu. S Privoxy m\u016f\u017eete odstra\u0148ovat reklamn\u00ed vlo\u017eky, ignorovat sledovac\u00ed cookies, odstra\u0148ovat vyskakovac\u00ed okna, blokovat na\u010d\u00edt\u00e1n\u00ed extern\u00edho JavaScriptu a prov\u00e1d\u011bt pot\u0159ebn\u00e9 u\u017eivatelsk\u00e9 \u00fapravy webov\u00fdch str\u00e1nek. Privoxy podporuje instalaci jak na m\u00edstn\u00ed syst\u00e9my jednotliv\u00fdch u\u017eivatel\u016f, tak na servery pro vytv\u00e1\u0159en\u00ed centralizovan\u00e9 infrastruktury filtrov\u00e1n\u00ed obsahu v lok\u00e1ln\u00ed s\u00edti. K\u00f3d projektu je naps\u00e1n v jazyce C a roz\u0161i\u0159uje se pod licenc\u00ed GPLv2+. P\u0159ipraven\u00e9 bal\u00ed\u010dky jsou k dispozici pro Linux (deb) a Windows.<\/p>\n<p>Mezi pokro\u010dil\u00e9 mo\u017enosti Privoxy pat\u0159\u00ed: mo\u017enost p\u0159i\u0159azen\u00ed tag\u016f pro zm\u011bnu chov\u00e1n\u00ed filtr\u016f na z\u00e1klad\u011b jednotliv\u00fdch klientsk\u00fdch a serverov\u00fdch HTTP hlavi\u010dek; re\u017eim inspekce HTTPS, umo\u017e\u0148uj\u00edc\u00ed filtrovat HTTPS po\u017eadavky a odpov\u011bdi; pou\u017eit\u00ed regul\u00e1rn\u00edch v\u00fdraz\u016f v konfigura\u010dn\u00edch souborech; mo\u017enost nahrazovat animovan\u00e9 gif obr\u00e1zky zkr\u00e1cen\u00fdmi statick\u00fdmi obr\u00e1zky. Privoxy m\u016f\u017ee b\u00fdt pou\u017eito k blokov\u00e1n\u00ed reklam a ne\u017e\u00e1douc\u00edho obsahu na za\u0159\u00edzen\u00edch, kde nelze nainstalovat p\u0159\u00edslu\u0161n\u00e1 roz\u0161\u00ed\u0159en\u00ed pro prohl\u00ed\u017ee\u010de.<\/p>\n<p>Mezi zm\u011bnami v nov\u00e9m vyd\u00e1n\u00ed:<\/p>\n<ul>\n<li class=\"l\"> V re\u017eimu inspekce HTTPS je ve v\u00fdchoz\u00edm nastaven\u00ed povoleno pou\u017e\u00edv\u00e1n\u00ed kl\u00ed\u010d\u016f na z\u00e1klad\u011b eliptick\u00fdch k\u0159ivek (SN_X9_62_prime256v1) m\u00edsto RSA p\u0159i generov\u00e1n\u00ed kl\u00ed\u010d\u016f a certifik\u00e1t\u016f pro webov\u00e9 str\u00e1nky.\n<li class=\"l\"> Byla implementov\u00e1na mo\u017enost pou\u017e\u00edv\u00e1n\u00ed r\u016fzn\u00fdch klientsk\u00fdch tag\u016f pro r\u016fzn\u00e9 klienty b\u011b\u017e\u00edc\u00ed na stejn\u00e9m hostiteli.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost sestaven\u00ed &#171;&#8212;enable-acl-debugging&#187; pro roz\u0161\u00ed\u0159en\u00ed mo\u017enost\u00ed lad\u011bn\u00ed ACL.\n<li class=\"l\"> Zv\u00fd\u0161ena \u00fa\u010dinnost filtrov\u00e1n\u00ed d\u00edky pou\u017eit\u00ed odd\u011blen\u00fdch propojen\u00fdch seznam\u016f pro r\u016fzn\u00e9 typy filtr\u016f.\n<li class=\"l\"> Do vestav\u011bn\u00e9ho webov\u00e9ho rozhran\u00ed byla p\u0159id\u00e1na mo\u017enost p\u0159id\u00e1vat a odeb\u00edrat extern\u00ed filtry.\n<li class=\"l\"> Byla zastavena podpora knihovny mbedtls 2.x a verz\u00ed OpenSSL p\u0159ed 2.0.\n<li class=\"l\"> Pro &#171;sourceforge&#187; byl p\u0159id\u00e1n filtr pro skryt\u00ed panelu vibra\u010dn\u00edho k\u00f3dov\u00e1n\u00ed.\n<li class=\"l\"> Byly opraveny dva bezpe\u010dnostn\u00ed probl\u00e9my (CVE identifik\u00e1tory nebyly p\u0159id\u011bleny):\n<ul>\n<li class=\"l\"> P\u0159ete\u010den\u00ed z\u00e1sobn\u00edku ve funkci parse_chunk_size(), kter\u00e9 se projevuje p\u0159i anal\u00fdze velikosti bloku dat p\u0159i pou\u017e\u00edv\u00e1n\u00ed &#171;Chunked Transfer Encoding&#187; v HTTP\/1.0.\n<li class=\"l\"> P\u0159ete\u010den\u00ed z\u00e1sobn\u00edku ve funkci ssl_send_certificate_error() kv\u016fli ulo\u017een\u00ed chybov\u00e9 zpr\u00e1vy do z\u00e1sobn\u00edku bez ohledu na jej\u00ed velikost.\n<\/ul>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65607\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u043a\u0441\u0438-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Privoxy 4.2.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0441\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u0444\u0438\u043b\u044c\u0442\u0440\u043e\u0432 web-\u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430. \u041f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 Privoxy \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0440\u0435\u0437\u0430\u0442\u044c \u0440\u0435\u043a\u043b\u0430\u043c\u043d\u044b\u0435 \u0432\u0441\u0442\u0430\u0432\u043a\u0438, \u043e\u0442\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0442\u044c \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0435 Cookie, \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0432\u0441\u043f\u043b\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u0434\u0438\u0430\u043b\u043e\u0433\u0438, \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u0433\u043e JavaScript-\u043a\u043e\u0434\u0430 \u0438 \u0432\u043d\u043e\u0441\u0438\u0442\u044c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 web-\u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b. Privoxy \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u043a\u0430\u043a \u043d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u0442\u0430\u043a \u0438 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430 [&hellip;]<\/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-181897","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u043a\u0441\u0438-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Privoxy 4.2.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0441\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u0444\u0438\u043b\u044c\u0442\u0440\u043e\u0432 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