{"id":53911,"date":"2019-12-13T00:00:00","date_gmt":"2019-12-12T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-sistemy-filtratsii-spama-spamassassin-3-4-3"},"modified":"2020-02-18T14:01:51","modified_gmt":"2020-02-18T11:01:51","slug":"vypusk-sistemy-filtratsii-spama-spamassassin-3-4-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/vypusk-sistemy-filtratsii-spama-spamassassin-3-4-3","title":{"rendered":"Uitgave van het spamfilter systeem SpamAssassin 3.4.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Na een jaar van ontwikkeling <noindex><a rel=\"nofollow\" href=\"https:\/\/spamassassin.apache.org\/news.html\">beschikbaar is<\/a><\/noindex> platformrelease voor spamfiltering \u2014 <noindex><a rel=\"nofollow\" href=\"http:\/\/spamassassin.apache.org\">SpamAssassin 3.4.3<\/a><\/noindex>. SpamAssassin hanteert een uitgebreide benadering bij het besluiten over blokkering: berichten worden onderworpen aan een reeks controles (contextuele analyse, zwarte en witte lijsten DNSBL, leerbare Bayesiaanse classificators, handtekeningencontrole, afzenderauthenticatie via SPF en DKIM, enz.). Na beoordeling van het bericht met verschillende methoden, wordt een bepaald gewichtscijfer opgebouwd. Als de berekende factor een bepaalde drempel overschrijdt \u2014 wordt het bericht geblokkeerd of gemarkeerd als spam. Automatische updates van de filterregels worden ondersteund. Het pakket kan worden gebruikt op zowel client- als serversystemen. De code van SpamAssassin is geschreven in Perl en wordt verspreid onder de Apache-licentie.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/svn.apache.org\/repos\/asf\/spamassassin\/branches\/3.4\/build\/announcements\/3.4.3.txt\">Kenmerken<\/a><\/noindex> van de nieuwe release:<\/p>\n<ul>\n<li class=\"l\"> Een nieuwe OLEVBMacro-plug-in is toegevoegd, ontworpen om OLE-macro's en VB-code binnen documenten te identificeren;\n<li class=\"l\"> De snelheid en veiligheid van het scannen van grote e-mails is verbeterd met de instellingen body_part_scan_size en<br \/>\nrawbody_part_scan_size-instellingen;<\/p>\n<li class=\"l\"> In de verwerkingsregels voor de inhoud van een e-mail (body) is ondersteuning toegevoegd voor de vlag \u2018nosubject\u2019 om de zoekopdracht naar de onderwerpregel Subject als onderdeel van de tekst in de body van de e-mail te stoppen;\n<li class=\"l\"> Om veiligheidsredenen is de optie \u2018sa-update \u2014allowplugins\u2019 verouderd verklaard;\n<li class=\"l\"> In de instellingen is een nieuw sleutelwoord \u2018subjprefix\u2019 toegevoegd voor het toevoegen van een prefix aan het onderwerp van de e-mail bij het activeren van een regel. In sjablonen is de tag \u2018_SUBJPREFIX_\u2019 toegevoegd, die de waarde van de instelling \u2018subjprefix\u2019 weerspiegelt;\n<li class=\"l\"> De DNSEval-plug-in heeft de optie rbl_headers gekregen om de headers te bepalen waarop de controle in RBL-lijsten moet worden toegepast;\n<li class=\"l\"> De functie check_rbl_ns_from is toegevoegd om de DNS-server in de RBL-lijst te controleren. De functie check_rbl_rcvd is toegevoegd om domeinen of IP-adressen uit alle 'Received'-headers in RBL te controleren;\n<li class=\"l\"> In de functie check_hashbl_emails zijn opties toegevoegd om de headers te bepalen waarvan de inhoud in RBL of ACL moet worden gecontroleerd;\n<li class=\"l\"> De functie check_hashbl_bodyre is toegevoegd voor het zoeken in de e-mailbody met behulp van een reguliere expressie en het controleren van de gevonden overeenkomsten in RBL;\n<li class=\"l\"> De functie check_hashbl_uris is toegevoegd voor het identificeren van URL's in de e-mailbody en hun controle in RBL;\n<li class=\"l\"> Een kwetsbaarheid (CVE-2018-11805) is verholpen die het mogelijk maakte om systeemcommando's uit CF-bestanden (configuratiebestanden van SpamAssassin) uit te voeren zonder informatie over hun uitvoering weer te geven;\n<li class=\"l\"> Een kwetsbaarheid (CVE-2019-12420) is verholpen, die kon worden gebruikt om een denial-of-service-aanval te veroorzaken bij de verwerking van een e-mail met een speciaal opgemaakte Multipart-sectie.\n<\/ul>\n<p>De ontwikkelaars van SpamAssassin hebben ook aangekondigd dat ze werken aan de 4.0-tak, waarin volledig ingebouwde UTF-8-verwerking zal worden ge\u00efmplementeerd. Op 1 maart 2020 zal ook de publicatie van regels met handtekeningen op basis van het SHA-1-algoritme worden stopgezet (in versie 3.4.2 zijn SHA-256 en SHA-512 de vervangers voor SHA-1).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52014\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u0441\u043f\u0430\u043c\u0430 &#8212; SpamAssassin 3.4.3. \u0412 SpamAssassin \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u043d\u044b\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u0432 \u043f\u0440\u0438\u043d\u044f\u0442\u0438\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u043e \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438: \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0433\u0430\u0435\u0442\u0441\u044f \u0440\u044f\u0434\u0443 \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u043a (\u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u0438\u0437, \u0447\u0435\u0440\u043d\u044b\u0435 \u0438 \u0431\u0435\u043b\u044b\u0435 \u0441\u043f\u0438\u0441\u043a\u0438 DNSBL, \u043e\u0431\u0443\u0447\u0430\u0435\u043c\u044b\u0435 \u0431\u0430\u0439\u0435\u0441\u043e\u0432\u0441\u043a\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e \u0441\u0438\u0433\u043d\u0430\u0442\u0443\u0440\u0430\u043c, \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u0435\u043b\u044f \u043f\u043e SPF \u0438 DKIM \u0438 \u0442.\u043f.). \u041f\u043e\u0441\u043b\u0435 \u043e\u0446\u0435\u043d\u043a\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438, \u043d\u0430\u043a\u0430\u043f\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u0432\u0435\u0441\u043e\u0432\u043e\u0439 [&hellip;]<\/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-53911","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=\"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u0441\u043f\u0430\u043c\u0430 -\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link 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\u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u0441\u043f\u0430\u043c\u0430 SpamAssassin 3.4.3 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u0441\u043f\u0430\u043c\u0430 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