February 2026
Intermediate to advanced
372 pages
10h 2m
Spanish
Content preview from Cilium: en funcionamiento (Spanish Edition)
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Capítulo 12. Políticade red
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Los controles de seguridad de red se utilizan para proteger las cargas de trabajo evitando el acceso no deseado, deteniendo el movimiento lateral y aplicando la política de la organización. Todo esto se puede hacer a nivel de red, lo que reduce la necesidad de coordinar la política entre equipos dispares y aplicaciones de terceros. Los enfoques tradicionales son difíciles de implementar en un entorno nativo de la nube. Las direcciones IP de los pods y los servicios pueden cambiar sin previo aviso, y todos los pods suelen ocupar el mismo rango CIDR, por lo que los dispositivos de seguridad de red externos no pueden diferenciar el tráfico de las diferentes cargas de trabajo.1
La función de política de red de Cilium, una extensión de la política de red de Kubernetes, es un sustituto dentro del clúster de estos controles tradicionales que está profundamente integrado en los conceptos existentes de Kubernetes, como los espacios de nombres, las etiquetas de cargas de trabajo y los servicios.
Todos los manifiestos de este capítulo se encuentran en el directorio chapter12 del repositorio GitHub del libro. Indicaremos los nombres de los archivos que necesites a medida que los mencionemos, y aquí solo mostraremos los fragmentos importantes.
Creación de una política básica
Vamos a empezar con creando un clúster e implementando Cilium. No necesitamos ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.