{"id":77154,"date":"2020-04-08T07:41:59","date_gmt":"2020-04-08T05:41:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy"},"modified":"2020-04-08T07:41:59","modified_gmt":"2020-04-08T05:41:59","slug":"microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","title":{"rendered":"Microsoft ha propuesto un m\u00f3dulo del n\u00facleo de Linux para verificar la integridad del sistema","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Los desarrolladores de Microsoft presentaron<\/a><\/noindex> mecanismo de verificaci\u00f3n de integridad IPE<\/a><\/noindex> (Integrity Policy Enforcement), implementado como un m\u00f3dulo LSM (Linux Security Module) para el n\u00facleo de Linux. Este m\u00f3dulo permite definir una pol\u00edtica general de aseguramiento de la integridad para todo el sistema, indicando qu\u00e9 operaciones son permitidas y c\u00f3mo se debe verificar la autenticidad de los componentes. Con IPE se puede especificar qu\u00e9 archivos ejecutables est\u00e1n autorizados para ser iniciados y garantizar que estos archivos son id\u00e9nticos a la versi\u00f3n proporcionada por una fuente confiable. C\u00f3digo es abierto<\/a><\/noindex> bajo licencia MIT.<\/p>\n

IPE tiene como objetivo crear sistemas completamente verificables, cuya integridad se confirme desde el cargador de arranque inicial y el n\u00facleo, hasta los archivos ejecutables finales, configuraciones y archivos cargables. En caso de modificaci\u00f3n o sustituci\u00f3n de un archivo, IPE puede bloquear la operaci\u00f3n o registrar el hecho de la violaci\u00f3n de la integridad. El mecanismo propuesto puede aplicarse en firmware para dispositivos integrados, donde todo el software y configuraciones son compilados y proporcionados espec\u00edficamente por el propietario; por ejemplo, en los centros de datos, Microsoft utiliza IPE en equipos para cortafuegos.<\/p>\n

A diferencia de otros sistemas de verificaci\u00f3n de integridad, como IMA<\/a><\/noindex>, IPE se distingue por su independencia de los metadatos en el sistema de archivos \u2014 todas las propiedades que determinan la validez de las operaciones se almacenan directamente en el n\u00facleo. Para verificar la integridad del contenido de los archivos, se aplican mecanismos de hash criptogr\u00e1fico ya existentes en el n\u00facleo.
\ndm-verity<\/a><\/noindex> o fs-verity<\/a><\/noindex>.
\nDe manera similar a SELinux, se admiten dos modos de operaci\u00f3n: 'permissive' y 'enforce'. En el primer modo, solo se registra un registro de problemas durante las verificaciones, lo que, por ejemplo, puede utilizarse para la prueba previa del entorno.<\/p>\n

<\/a><\/noindex><\/p>\n

Fuente: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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