{"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\/da\/blog\/news\/vypusk-sistemy-filtratsii-spama-spamassassin-3-4-3","title":{"rendered":"Udgivelsen af spamfiltreringssystemet SpamAssassin 3.4.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter et \u00e5rs udvikling <noindex><a rel=\"nofollow\" href=\"https:\/\/spamassassin.apache.org\/news.html\">tilg\u00e6ngelig<\/a><\/noindex> Udgivelsen af platformen til spamfiltrering - <noindex><a rel=\"nofollow\" href=\"http:\/\/spamassassin.apache.org\">SpamAssassin 3.4.3<\/a><\/noindex>. I SpamAssassin er der implementeret en omfattende tilgang til beslutningstagning om blokering: beskeder gennemg\u00e5r en r\u00e6kke tjek (konkret analyse, sorte og hvide lister DNSBL, l\u00e6rbare bayesiske klassifikatorer, signaturkontrol, autentifikation af afsenderen ved hj\u00e6lp af SPF og DKIM osv.). Efter vurderingen af beskeden med forskellige metoder tilvejebringes der en bestemt v\u00e6gtkoefficient. Hvis den beregnede koefficient overstiger en bestemt gr\u00e6nse - blokkeres beskeden eller markeret som spam. Der underst\u00f8ttes automatiske opdateringsv\u00e6rkt\u00f8jer til filtreringsregler. Pakken kan anvendes b\u00e5de p\u00e5 klient- og serversystemer. SpamAssassin-koden er skrevet i Perl og distribueres under Apache-licensen.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/svn.apache.org\/repos\/asf\/spamassassin\/branches\/3.4\/build\/announcements\/3.4.3.txt\">Funktioner<\/a><\/noindex> den nye udgave:<\/p>\n<ul>\n<li class=\"l\"> En ny OLEVBMacro-plugin er tilf\u00f8jet, designet til at identificere OLE-makroer og VB-kode inden i dokumenter;\n<li class=\"l\"> Hastigheden og sikkerheden ved scanning af store emails er forbedret med indstillingerne body_part_scan_size og<br \/>\nrawbody_part_scan_size settings;<\/p>\n<li class=\"l\"> Reglerne for behandling af beskedens indhold (body) har f\u00e5et tilf\u00f8jet underst\u00f8ttelse af flaget \u00abnosubject\u00bb for at stoppe s\u00f8gningen efter emnet i beskedens indhold;\n<li class=\"l\"> Af sikkerhedsm\u00e6ssige \u00e5rsager er indstillingen \u2018sa-update --allowplugins\u2019 blevet erkl\u00e6ret for\u00e6ldet;\n<li class=\"l\"> Der er tilf\u00f8jet et nyt n\u00f8gleord \u00absubjprefix\u00bb til indstillingerne for at tilf\u00f8je et pr\u00e6fiks til emnet i beskeden, n\u00e5r en regel udl\u00f8ses. Der er tilf\u00f8jet en tag \u00ab_SUBJPREFIX_\u00bb til skabelonerne, som afspejler v\u00e6rdien af indstillingen \u00absubjprefix\u00bb;\n<li class=\"l\"> Der er tilf\u00f8jet en mulighed 'rbl_headers' til DNSEval-pluginet for at bestemme de overskrifter, som skal anvendes kontrolleret i RBL-lister;\n<li class=\"l\"> Der er tilf\u00f8jet funktionen check_rbl_ns_from til at kontrollere DNS-serveren i RBL-listen. Funktionen check_rbl_rcvd er tilf\u00f8jet for at kontrollere dom\u00e6ner eller IP-adresser fra alle 'Received'-overskrifter i RBL;\n<li class=\"l\"> Der er tilf\u00f8jet muligheder i funktionen check_hashbl_emails til at bestemme de overskrifter, hvis indhold skal kontrolleres i RBL eller ACL;\n<li class=\"l\"> Der er tilf\u00f8jet funktionen check_hashbl_bodyre til at s\u00f8ge i emailens indhold ved hj\u00e6lp af regul\u00e6re udtryk og kontrollere de fundne match i RBL;\n<li class=\"l\"> Der er tilf\u00f8jet funktionen check_hashbl_uris til at identificere URL'er i emailens indhold og kontrollere dem i RBL;\n<li class=\"l\"> En s\u00e5rbarhed (CVE-2018-11805) er blevet rettet, hvilket gjorde det muligt at udf\u00f8re systemkommandoer fra CF-filer (konfigurationsfiler for SpamAssassin) uden at vise information om deres udf\u00f8relse;\n<li class=\"l\"> En s\u00e5rbarhed (CVE-2019-12420) er blevet udbedret, som kan bruges til at for\u00e5rsage en servicefejl ved behandling af en e-mail med en s\u00e6rligt udformet Multipart-sektion.\n<\/ul>\n<p>Udviklerne af SpamAssassin har ogs\u00e5 annonceret forberedelserne til version 4.0, hvor der vil blive implementeret fuld indbygget underst\u00f8ttelse af UTF-8. Den 1. marts 2020 vil udgivelsen af regler med signaturer baseret p\u00e5 SHA-1 ogs\u00e5 blive stoppet (i version 3.4.2 blev SHA-1 erstattet af hash-funktionerne SHA-256 og SHA-512).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <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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