{"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\/es\/blog\/news\/vypusk-sistemy-filtratsii-spama-spamassassin-3-4-3","title":{"rendered":"Lanzamiento del sistema de filtrado de spam SpamAssassin 3.4.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de un a\u00f1o de desarrollo <noindex><a rel=\"nofollow\" href=\"https:\/\/spamassassin.apache.org\/news.html\">est\u00e1 disponible<\/a><\/noindex> lanzamiento de la plataforma de filtrado de spam \u2014 <noindex><a rel=\"nofollow\" href=\"http:\/\/spamassassin.apache.org\">SpamAssassin 3.4.3<\/a><\/noindex>. SpamAssassin implementa un enfoque integral para la toma de decisiones sobre el bloqueo: el mensaje pasa por una serie de verificaciones (an\u00e1lisis contextual, listas negras y blancas DNSBL, clasificadores bayesianos entrenables, verificaci\u00f3n por firmas, autenticaci\u00f3n del remitente mediante SPF y DKIM, etc.). Despu\u00e9s de evaluar el mensaje con diferentes m\u00e9todos, se acumula un determinado coeficiente de peso. Si el coeficiente calculado supera un umbral determinado \u2014 el mensaje se bloquea o se marca como spam. Se admite la actualizaci\u00f3n autom\u00e1tica de las reglas de filtrado. El paquete se puede utilizar tanto en sistemas de cliente como en servidores. El c\u00f3digo de SpamAssassin est\u00e1 escrito en Perl y se distribuye bajo la licencia Apache.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/svn.apache.org\/repos\/asf\/spamassassin\/branches\/3.4\/build\/announcements\/3.4.3.txt\">Caracter\u00edsticas<\/a><\/noindex> nueva versi\u00f3n:<\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido un nuevo plugin OLEVBMacro, dise\u00f1ado para detectar macros OLE y c\u00f3digo VB dentro de documentos;\n<li class=\"l\"> Se ha mejorado la velocidad y seguridad del escaneo de grandes correos con las configuraciones body_part_scan_size y<br \/>\nrawbody_part_scan_size settings;<\/p>\n<li class=\"l\"> Se ha a\u00f1adido soporte para la bandera \u00abnosubject\u00bb en las reglas de procesamiento del cuerpo del correo (body) para detener la b\u00fasqueda del encabezado Subject como parte del texto en el cuerpo del correo;\n<li class=\"l\"> Por razones de seguridad, se ha declarado obsoleta la opci\u00f3n \u2018sa-update \u2014allowplugins\u2019;\n<li class=\"l\"> Se ha a\u00f1adido una nueva palabra clave \u2018subjprefix\u2019 a la configuraci\u00f3n para agregar un prefijo al tema del correo al activarse la regla. Se ha a\u00f1adido la etiqueta \u2018_SUBJPREFIX_\u2019 a las plantillas, que refleja el valor de la configuraci\u00f3n \u2018subjprefix\u2019;\n<li class=\"l\"> Se ha a\u00f1adido la opci\u00f3n rbl_headers al plugin DNSEval para determinar los encabezados a los que se debe aplicar la verificaci\u00f3n en las listas RBL;\n<li class=\"l\"> Se ha a\u00f1adido la funci\u00f3n check_rbl_ns_from para verificar el servidor DNS en la lista RBL. Se ha a\u00f1adido la funci\u00f3n check_rbl_rcvd para verificar dominios o direcciones IP de todos los encabezados Received en RBL;\n<li class=\"l\"> Se han a\u00f1adido opciones a la funci\u00f3n check_hashbl_emails para determinar los encabezados cuyo contenido se debe verificar en RBL o ACL;\n<li class=\"l\"> Se ha a\u00f1adido la funci\u00f3n check_hashbl_bodyre para buscar en el cuerpo del correo utilizando una expresi\u00f3n regular y verificar coincidencias encontradas en RBL;\n<li class=\"l\"> Se ha a\u00f1adido la funci\u00f3n check_hashbl_uris para identificar URL en el cuerpo del correo y verificarlas en RBL;\n<li class=\"l\"> Se ha corregido una vulnerabilidad (CVE-2018-11805) que permit\u00eda ejecutar comandos del sistema desde archivos CF (archivos de configuraci\u00f3n de SpamAssassin) sin mostrar informaci\u00f3n sobre su ejecuci\u00f3n;\n<li class=\"l\"> Se ha corregido una vulnerabilidad (CVE-2019-12420) que puede ser utilizada para provocar una denegaci\u00f3n de servicio al procesar un correo con una secci\u00f3n Multipart especialmente dise\u00f1ada.\n<\/ul>\n<p>Los desarrolladores de SpamAssassin tambi\u00e9n han anunciado la preparaci\u00f3n de la rama 4.0, que contar\u00e1 con un procesamiento integrado completo de UTF-8. El primero de marzo de 2020 tambi\u00e9n dejar\u00e1 de publicarse las reglas con firmas basadas en el algoritmo SHA-1 (en la versi\u00f3n 3.4.2, las funciones hash SHA-256 y SHA-512 reemplazar\u00e1n a SHA-1).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <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 5.0.2 - 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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