{"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\/sk\/blog\/news\/vypusk-filtruyushhego-proksi-privoxy-4-2-0","title":{"rendered":"Vydanie filtrovania proxy Privoxy 4.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Zverejnen\u00e1 verzia proxy servera Privoxy 4.2.0, ur\u010den\u00e9ho na vytv\u00e1ranie osobn\u00fdch filtrov webov\u00e9ho obsahu. S Privoxy m\u00f4\u017eete odstr\u00e1ni\u0165 reklamn\u00e9 vlo\u017eky, ignorova\u0165 sledovacie cookies, eliminova\u0165 vyskakovacie okn\u00e1, blokova\u0165 na\u010d\u00edtanie extern\u00e9ho JavaScript k\u00f3du a vykon\u00e1va\u0165 potrebn\u00e9 individu\u00e1lne \u00fapravy na webov\u00fdch str\u00e1nkach. Privoxy podporuje in\u0161tal\u00e1ciu ako na lok\u00e1lne syst\u00e9my jednotliv\u00fdch pou\u017e\u00edvate\u013eov, tak aj na servery pre vytvorenie centralizovanej infra\u0161trukt\u00fary filtrovania obsahu v lok\u00e1lnej sieti. K\u00f3d projektu je nap\u00edsan\u00fd v jazyku C a je distribuovan\u00fd pod licenciou GPLv2+. Pripraven\u00e9 zostavy s\u00fa pripraven\u00e9 pre Linux (deb) a Windows.<\/p>\n<p>Z roz\u0161\u00edren\u00fdch funkci\u00ed Privoxy m\u00f4\u017eeme spomen\u00fa\u0165: mo\u017enos\u0165 viazania zna\u010diek na zmenu spr\u00e1vania filtrov v z\u00e1vislosti od jednotliv\u00fdch klientsk\u00fdch a serverov\u00fdch HTTP hlavi\u010diek; re\u017eim inspekcie HTTPS, ktor\u00fd umo\u017e\u0148uje filtrovanie HTTPS po\u017eiadaviek a odpoved\u00ed; pou\u017e\u00edvanie regul\u00e1rnych v\u00fdrazov v konfigura\u010dn\u00fdch s\u00faboroch; mo\u017enos\u0165 nahradenia animovan\u00fdch gifov orezan\u00fdmi statick\u00fdmi obr\u00e1zkami. Privoxy m\u00f4\u017ee by\u0165 pou\u017eit\u00fd na blokovanie reklamy a ne\u017eiad\u00faceho obsahu na zariadeniach, na ktor\u00fdch nie je mo\u017en\u00e9 nain\u0161talova\u0165 pr\u00edslu\u0161n\u00e9 prehliadacie doplnky.<\/p>\n<p>Medzi zmenami v novom vydan\u00ed:<\/p>\n<ul>\n<li class=\"l\"> V re\u017eime in\u0161pekcie HTTPS je predvolene zapnut\u00e9 pou\u017e\u00edvanie k\u013e\u00fa\u010dov zalo\u017een\u00fdch na eliptick\u00fdch krivk\u00e1ch (SN_X9_62_prime256v1) namiesto RSA pri generovan\u00ed k\u013e\u00fa\u010dov a certifik\u00e1tov pre webov\u00e9 str\u00e1nky.\n<li class=\"l\"> Implementovan\u00e1 mo\u017enos\u0165 pou\u017e\u00edvania r\u00f4znych klientskych tagov pre r\u00f4znych klientov, ktor\u00ed pracuj\u00fa na tom istom hostite\u013eovi.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 zostavenia &#171;&#8212;enable-acl-debugging&#187; na pridanie roz\u0161\u00edren\u00fdch mo\u017enost\u00ed ladenia ACL.\n<li class=\"l\"> Zv\u00fd\u0161en\u00e1 efektivita filtrov v\u010faka pou\u017eitiu samostatn\u00fdch prepojen\u00fdch zoznamov pre r\u00f4zne typy filtrov.\n<li class=\"l\"> Do zabudovan\u00e9ho webov\u00e9ho rozhrania bola pridan\u00e1 mo\u017enos\u0165 prid\u00e1vania a odstra\u0148ovania extern\u00fdch filtrov.\n<li class=\"l\"> Podpora kni\u017enice mbedtls 2.x a verzi\u00ed OpenSSL do 2.0 bola zastaven\u00e1.\n<li class=\"l\"> Pre &#171;sourceforge&#187; bol pridan\u00fd filter na skrytie panela vibruj\u00faceho k\u00f3dovania.\n<li class=\"l\"> Opraven\u00e9 dva bezpe\u010dnostn\u00e9 probl\u00e9my (CVE identifik\u00e1tory neboli priraden\u00e9):\n<ul>\n<li class=\"l\"> Prete\u010denie vyrovn\u00e1vacej pam\u00e4te vo funkcii parse_chunk_size(), ktor\u00e9 sa prejavuje pri anal\u00fdze ve\u013ekosti bloku \u00fadajov pri pou\u017eit\u00ed &#171;Chunked Transfer Encoding&#187; v HTTP\/1.0.\n<li class=\"l\"> Preplnenie z\u00e1sobn\u00edka vo funkcii ssl_send_certificate_error() z d\u00f4vodu uchov\u00e1vania spr\u00e1vy o chybe v z\u00e1sobn\u00edku bez zoh\u013eadnenia jej ve\u013ekosti.\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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