{"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\/it\/blog\/news\/vypusk-filtruyushhego-proksi-privoxy-4-2-0","title":{"rendered":"Versione del proxy filtrante Privoxy 4.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata pubblicata la versione 4.2.0 del server proxy Privoxy, progettata per creare filtri personali per il contenuto web. Con Privoxy \u00e8 possibile rimuovere gli annunci, eliminare i cookie di tracciamento, bloccare i popup, impedire il caricamento di codice JavaScript di terze parti e apportare modifiche personalizzate alle pagine web. Privoxy supporta l'installazione sia su sistemi locali di singoli utenti, sia su server per creare un'infrastruttura centralizzata di filtraggio dei contenuti nella rete locale. Il codice del progetto \u00e8 scritto in C e distribuito con licenza GPLv2+. Sono disponibili versioni precompilate per Linux (deb) e Windows.<\/p>\n<p>Tra le funzionalit\u00e0 avanzate di Privoxy spiccano: la possibilit\u00e0 di associare tag per modificare il comportamento dei filtri in base a specifici header HTTP dei client e dei server; la modalit\u00e0 di ispezione HTTPS, che consente di filtrare richieste e risposte HTTPS; l'uso di espressioni regolari nei file di configurazione; la possibilit\u00e0 di sostituire gif animate con immagini statiche ridotte. Privoxy pu\u00f2 essere utilizzato per bloccare annunci e contenuti indesiderati su dispositivi dove non \u00e8 possibile installare le relative estensioni per browser.<\/p>\n<p>Tra le novit\u00e0 del nuovo rilascio:<\/p>\n<ul>\n<li class=\"l\"> Nella modalit\u00e0 di ispezione HTTPS \u00e8 attivato di default l'uso delle chiavi basate su curve ellittiche (SN_X9_62_prime256v1) invece di RSA durante la generazione di chiavi e certificati per i siti.\n<li class=\"l\"> \u00c8 stata implementata la possibilit\u00e0 di utilizzare tag client diversi per diversi clienti che operano sulla stessa macchina.\n<li class=\"l\"> \u00c8 stata aggiunta l'opzione di assemblaggio &#171;&#8212;enable-acl-debugging&#187; per l'aggiunta di funzionalit\u00e0 avanzate di debug ACL.\n<li class=\"l\"> Migliorata l'efficienza dei filtri mediante l'applicazione di liste collegate specifiche per diversi tipi di filtri.\n<li class=\"l\"> Nell'interfaccia web integrata \u00e8 stata aggiunta la possibilit\u00e0 di aggiungere e rimuovere filtri esterni.\n<li class=\"l\"> Interrotta la supporto per la libreria mbedtls 2.x e per le versioni di OpenSSL precedenti alla 2.0.\n<li class=\"l\"> Per &#171;sourceforge&#187; \u00e8 stato aggiunto un filtro per nascondere il pannello di vibrazione della codifica.\n<li class=\"l\"> Corrette due vulnerabilit\u00e0 di sicurezza (identificatori CVE non assegnati):\n<ul>\n<li class=\"l\"> Overflow del buffer nella funzione parse_chunk_size(), che si verifica durante l'analisi della dimensione del blocco di dati utilizzando &#171;Chunked Transfer Encoding&#187; in HTTP\/1.0.\n<li class=\"l\"> Eccedenza dello stack nella funzione ssl_send_certificate_error() a causa della conservazione del messaggio di errore nello stack senza considerare la sua dimensione.\n<\/ul>\n<\/ul>\n<p>Fonte: <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. 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[&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 5.0.1.1 - 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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