{"id":4251,"date":"2020-10-30T19:57:46","date_gmt":"2020-10-30T18:57:46","guid":{"rendered":"https:\/\/webhosting.de\/softwarefirewall-oder-hardwarefirewall\/"},"modified":"2020-10-30T19:57:46","modified_gmt":"2020-10-30T18:57:46","slug":"softwarefirewall-o-hardwarefirewall","status":"publish","type":"post","link":"https:\/\/webhosting.de\/es\/softwarefirewall-oder-hardwarefirewall\/","title":{"rendered":"softwarefirewall, o hardwarefirewall"},"content":{"rendered":"

Cortafuegos de software o hardware - diferencias y \u00e1reas de aplicaci\u00f3n<\/p>\n

Ambas opciones ofrecen protecci\u00f3n para su propio PC y la red conectada a \u00e9l. En la pr\u00e1ctica, ambas opciones se utilizan normalmente de manera complementaria, incluso en aplicaciones privadas. Ambas soluciones siempre tienen un efecto de sellado, tanto a trav\u00e9s del hardware como del software a instalar. Por lo tanto, las conexiones deben ser controladas y, si es necesario, bloqueadas para evitar la intrusi\u00f3n no autorizada en la red.<\/p>\n

\u00bfQu\u00e9 es exactamente un Cortafuegos<\/a>?<\/p>\n

El cortafuegos es un sistema de seguridad adicional, pero no debe confundirse con el software antivirus del PC. Mientras que est\u00e1 dise\u00f1ado para identificar y aislar programas maliciosos, el firewall monitorea las conexiones, salientes y entrantes Datos<\/a> dentro de la red. Se integra como un sistema adicional, por as\u00ed decirlo, entre el PC e Internet\/red. Entre otras cosas, un cortafuegos puede impedir que personas no autorizadas entren en la red y accedan as\u00ed al PC y a sus datos. <\/p>\n

Adem\u00e1s, se impide la transmisi\u00f3n de paquetes de datos no autorizados, por ejemplo, de \"gusanos\" perjudiciales. Incluso con respecto a los datos salientes, un cortafuegos muestra sus beneficios en la pr\u00e1ctica. Por ejemplo, impide que un PC identificado con malware env\u00ede datos a otros ordenadores de la red. Esto suele hacerse sin el conocimiento directo del usuario, ya que el malware inicia independientemente estas transmisiones de datos. Por lo tanto, se puede utilizar un cortafuegos para evitar la propagaci\u00f3n de gusanos y similares.<\/p>\n

Diferencias entre un firewall de software y un firewall de hardware<\/p>\n

Para poder aclarar las diferencias, primero hay que resolver las diferencias entre los t\u00e9rminos \"software\" y \"hardware\". El hardware se define como los productos y componentes electr\u00f3nicos y\/o mec\u00e1nicos que se utilizan junto con otra tecnolog\u00eda para garantizar su funcionalidad. Por lo tanto, el hardware existe \"realmente\", en el sentido de que puede ser tocado, desatornillado y examinado. El software, por otro lado, son programas que se instalan en el PC y por lo tanto consisten en datos e innumerables l\u00edneas de c\u00f3digo. No se pueden tocar, pero activan funciones en el PC que se basan en el hardware. Un cortafuegos basado en hardware es, por lo tanto, un dispositivo mec\u00e1nico o electr\u00f3nico, mientras que un cortafuegos se instala como software en el PC. En la pr\u00e1ctica, ambas variantes son posibles en combinaci\u00f3n.<\/p>\n

\u00bfQu\u00e9 hace el cortafuegos de software y hardware?<\/p>\n

El cortafuegos de software controla el tr\u00e1fico de datos entre la red y el ordenador. Tambi\u00e9n puede utilizarse para establecer diversas excepciones para los programas, liberar puertos o supervisar c\u00f3modamente los datos del PC en tiempo real. En cierto sentido, un cortafuegos de software supervisa una red, concretamente la que utiliza el PC para acceder a la red. Internet<\/a> para poder conectarse. El cortafuegos por hardware, en cambio, se instala en un dispositivo\/sistema externo y en la pr\u00e1ctica supervisa dos redes simult\u00e1neamente. Supervisa el tr\u00e1fico de datos entre la red privada y el cortafuegos y, al mismo tiempo, el tr\u00e1fico entre el cortafuegos y la red superior. Un examen m\u00e1s detallado del t\u00e9rmino muestra que un cortafuegos de hardware es m\u00e1s bien un software, que no se instala en el propio PC, sino en un dispositivo externo.<\/p>\n

En la pr\u00e1ctica, el cortafuegos de hardware simplificado en el \u00e1rea de usuarios privados suele encontrarse en el router cl\u00e1sico. Los enrutadores modernos tienen un cortafuegos funcional, que funciona seg\u00fan la pr\u00e1ctica mencionada. Al mismo tiempo, un cortafuegos de software debe ser instalado en el propio PC. Los modelos antiguos de m\u00f3dems DSL todav\u00eda ten\u00edan que prescindir de este cortafuegos de hardware integrado. Los clientes industriales y comerciales, que albergan datos especialmente sensibles en sus redes, a veces deciden instalar una soluci\u00f3n adicional en forma de hardware o una mayor protecci\u00f3n del servidor. Sin embargo, la combinaci\u00f3n de un cortafuegos integrado en el enrutador y el software adicional instalado en el PC es completamente suficiente para los usuarios privados. Las redes de las empresas deber\u00edan posiblemente pedir m\u00e1s protecci\u00f3n y un cortafuegos de hardware que se adapte a sus necesidades y ser asesoradas por expertos.<\/p>","protected":false},"excerpt":{"rendered":"

Software- oder Hardwarefirewall – Unterschiede und Einsatzgebiete Eine Absicherung f\u00fcr den eigenen PC und das damit verbundene Netzwerk bieten beide M\u00f6glichkeiten. In der Praxis werden, auch im privaten Anwendungsbereich, normalerweise beide Optionen erg\u00e4nzend zueinander eingesetzt. Immer haben beide L\u00f6sungen, sowohl via Hardware als auch \u00fcber die zu installierende Software, einen abschottenden Effekt. Verbindungen sollen also 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