{"id":664,"date":"2024-07-22T20:37:45","date_gmt":"2024-07-22T20:37:45","guid":{"rendered":"https:\/\/dockerpros.com\/?post_type=glossary&#038;p=664"},"modified":"2024-07-23T12:39:48","modified_gmt":"2024-07-23T12:39:48","slug":"red-de-host","status":"publish","type":"glossary","link":"https:\/\/dockerpros.com\/es\/wiki\/host-network\/","title":{"rendered":"Red de acogida"},"content":{"rendered":"<h1>Comprensi\u00f3n de la Red del Host en Docker<\/h1>\n<p>En Docker, el <strong>Anfitri\u00f3n <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">Red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong> mode is a networking configuration that allows containers to share the host&#8217;s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> <span class=\"glossaryai-tooltip glossary-term-682\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\" target=\"_blank\">pila<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> directamente. Esto significa que las aplicaciones que se ejecutan dentro del <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can bind to any <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interface on the host, enabling them to communicate over the host&#8217;s IP address and ports without the overhead of <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> isolation that typically characterizes containerized environments. While this mode can provide performance benefits, it also introduces certain risks and trade-offs that developers and system administrators must carefully consider.<\/p>\n<h2>Introducci\u00f3n a las redes de Docker<\/h2>\n<p>Docker proporciona m\u00faltiples modos de red, cada uno sirviendo para diferentes casos de uso y requisitos. Los modos de red m\u00e1s comunes son:\n\n**Bridge Network**: Es el modo de red predeterminado en Docker. Cuando se crea un contenedor sin especificar una red, se conecta autom\u00e1ticamente a la red bridge predeterminada. Los contenedores en la misma red bridge pueden comunicarse entre s\u00ed utilizando sus nombres de host o direcciones IP. Sin embargo, no pueden comunicarse con contenedores en otras redes bridge o con el host por defecto.\n\n**Host Network**: En este modo, el contenedor comparte el espacio de red del host. Esto significa que el contenedor no obtiene su propia interfaz de red y utiliza directamente la interfaz de red del host. Los contenedores en modo host pueden comunicarse con el host y otros contenedores en el mismo host utilizando las direcciones IP del host.\n\n**None Network**: Este modo desactiva toda la conectividad de red para el contenedor. El contenedor no tiene ninguna interfaz de red y no puede comunicarse con el host o con otros contenedores.\n\n**Macvlan Network**: Este modo permite asignar una direcci\u00f3n MAC \u00fanica a cada contenedor, haci\u00e9ndolos aparecer como dispositivos f\u00edsicos en la red. Los contenedores en una red Macvlan pueden comunicarse con el host y otros contenedores en la misma red utilizando sus direcciones MAC.\n\n**Overlay Network**: Este modo permite la comunicaci\u00f3n entre contenedores en diferentes hosts Docker. Los contenedores en una red overlay pueden comunicarse entre s\u00ed utilizando sus nombres de host o direcciones IP, independientemente del host en el que se est\u00e9n ejecutando.\n\n**Custom Networks**: Docker tambi\u00e9n permite crear redes personalizadas con configuraciones espec\u00edficas. Estas redes pueden ser bridge, host, none o overlay, y se pueden personalizar con opciones como el control de acceso, el filtrado de tr\u00e1fico y la segmentaci\u00f3n de red.\n\nLa elecci\u00f3n del modo de red adecuado depende de los requisitos espec\u00edficos de la aplicaci\u00f3n y del entorno de despliegue. Por ejemplo, si se necesita aislar contenedores entre s\u00ed, se puede utilizar una red bridge o una red personalizada con reglas de firewall. Si se necesita comunicaci\u00f3n directa entre contenedores y el host, se puede utilizar el modo host. Si se necesita comunicaci\u00f3n entre contenedores en diferentes hosts, se puede utilizar una red overlay.<\/p>\n<ul>\n<li><strong>Puente<\/strong>Por defecto <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> type, where Docker creates a virtual <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> bridge that containers connect to, isolating them from the host&#8217;s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/li>\n<li><strong>Anfitri\u00f3n<\/strong>: The mode allowing containers to share the host\u2019s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> <span class=\"glossaryai-tooltip glossary-term-682\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\" target=\"_blank\">pila<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> directamente.<\/li>\n<li><strong>Superposici\u00f3n<\/strong>: Used for multi-host networking, typically in <span class=\"glossaryai-tooltip glossary-term-657\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/orchestration\/\" target=\"_blank\">orchestration<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Orchestration refers to the automated management and coordination of complex systems and services. It optimizes processes by integrating various components, ensuring efficient operation and resource utilization.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/orchestration\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> environments like <span class=\"glossaryai-tooltip glossary-term-655\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/docker-swarm\/\" target=\"_blank\">Docker Swarm<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/docker-swarm\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/li>\n<li><strong>Macvlan<\/strong>: Allows containers to have their own MAC addresses, enabling them to appear as physical devices on the <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/li>\n<\/ul>\n<p>Understanding these <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> types is crucial for developers looking to optimize their applications for performance, security, or flexibility.<\/p>\n<h2>Advantages of Using Host Networking<\/h2>\n<h3>Rendimiento<\/h3>\n<p>When a <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> uses host networking, it doesn&#8217;t go through the <span class=\"glossaryai-tooltip glossary-term-662\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/bridge-network\/\" target=\"_blank\">bridge network<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Bridge Network facilita la interoperabilidad entre varios ecosistemas de blockchain, permitiendo transferencias de activos y comunicaci\u00f3n sin interrupciones. Su arquitectura optimiza la escalabilidad y la accesibilidad para los usuarios en todas las redes.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/bridge-network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, which introduces some overhead. Instead, it can directly access the host\u2019s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interfaces. This direct access can lead to improved performance, particularly for applications requiring low latency, such as gaming servers, high-frequency trading applications, or real-time data processing systems.<\/p>\n<h3>2. Simplicity in Configuration<\/h3>\n<p>Using the host <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can simplify networking configurations for certain applications. By binding directly to the host&#8217;s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, developers can avoid the complexity of <span class=\"glossaryai-tooltip glossary-term-677\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\" target=\"_blank\">puerto<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Un PUERTO es un punto final de comunicaci\u00f3n en una red inform\u00e1tica, definido por un identificador num\u00e9rico. Facilita el enrutamiento de datos a aplicaciones espec\u00edficas, mejorando la funcionalidad y seguridad del sistema.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mappings and <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> addressing schemes, making it easier to connect services without managing additional networking layers.<\/p>\n<h3>3. Compatibility with Legacy Applications<\/h3>\n<p>Some applications, especially older ones, may not be designed with Docker or <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> networking in mind. Using the host <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can often resolve compatibility issues without requiring modification to the application itself.<\/p>\n<h2>Disadvantages of Host Networking<\/h2>\n<h3>1. Riesgos de seguridad<\/h3>\n<p>One of the primary downsides of host networking is that it poses significant security risks. Since containers share the host&#8217;s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> <span class=\"glossaryai-tooltip glossary-term-682\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\" target=\"_blank\">pila<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, any vulnerability in a containerized application could lead to exposure of the host\u2019s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interfaces and services. Malicious actors could potentially access sensitive data, intercept communications, or launch attacks on other systems within the same <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<h3>2. Conflictos de puertos<\/h3>\n<p>Cuando hay m\u00faltiples contenedores <span class=\"glossaryai-tooltip glossary-term-672\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\" target=\"_blank\">run<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> in host networking mode, they compete for the same ports on the host. If two containers try to bind to the same <span class=\"glossaryai-tooltip glossary-term-677\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\" target=\"_blank\">puerto<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Un PUERTO es un punto final de comunicaci\u00f3n en una red inform\u00e1tica, definido por un identificador num\u00e9rico. Facilita el enrutamiento de datos a aplicaciones espec\u00edficas, mejorando la funcionalidad y seguridad del sistema.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, it results in a conflict that prevents either <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> from starting up successfully. This can complicate application deployment, especially when <span class=\"glossaryai-tooltip glossary-term-696\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/scaling\/\" target=\"_blank\">escalar<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Scaling refers to the process of adjusting the capacity of a system to accommodate varying loads. It can be achieved through vertical scaling, which enhances existing resources, or horizontal scaling, which adds additional resources.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/scaling\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> servicios.<\/p>\n<h3>3. Falta de aislamiento de red<\/h3>\n<p>Los contenedores suelen beneficiarse de un entorno de red aislado, lo que mejora la seguridad y reduce la probabilidad de interacciones no deseadas entre diferentes servicios. Con la red de host, se pierde este aislamiento, lo que significa que los contenedores pueden interferir inadvertidamente entre s\u00ed.<\/p>\n<h2>Cu\u00e1ndo usar la red de host<\/h2>\n<p>La decisi\u00f3n de utilizar redes de host debe tomarse con una cuidadosa consideraci\u00f3n de los requisitos de la aplicaci\u00f3n y la infraestructura circundante. Aqu\u00ed hay algunos escenarios donde las redes de host pueden ser beneficiosas:<\/p>\n<h3>1. High-Performance Applications<\/h3>\n<p>For applications that require low-latency <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> performance, such as gaming servers, VoIP applications, or high-frequency trading platforms, host networking can provide the necessary performance enhancements by eliminating the additional layers of <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> abstraction.<\/p>\n<h3>2. Aplicaciones que requieren difusi\u00f3n o multidifusi\u00f3n<\/h3>\n<p>Certain applications rely on broadcast or multicast communications, which are limited or not supported in the default <span class=\"glossaryai-tooltip glossary-term-662\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/bridge-network\/\" target=\"_blank\">bridge network<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Bridge Network facilita la interoperabilidad entre varios ecosistemas de blockchain, permitiendo transferencias de activos y comunicaci\u00f3n sin interrupciones. Su arquitectura optimiza la escalabilidad y la accesibilidad para los usuarios en todas las redes.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/bridge-network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. Host networking allows these applications to function correctly, making it a suitable choice for <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> monitoring tools, discovery protocols, or certain IoT applications.<\/p>\n<h3>3. Simplicidad en el desarrollo y las pruebas<\/h3>\n<p>Al desarrollar o probar aplicaciones sencillas, utilizar la red de host puede simplificar el proceso. Los desarrolladores pueden evitar configurar ajustes de red complejos, lo que les permite centrarse en la funcionalidad de la aplicaci\u00f3n.<\/p>\n<h2>Configuraci\u00f3n de Red del Host en Docker<\/h2>\n<h3>Basic Command to Run a Container with Host Network<\/h3>\n<p>Para <span class=\"glossaryai-tooltip glossary-term-672\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\" target=\"_blank\">run<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> a <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> using the host <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mode, you can use the <code>--network<\/code> option along with the <code>host<\/code> par\u00e1metro en tu comando de Docker. Por ejemplo:<\/p>\n<pre><code class=\"language-bash\">Docker es una plataforma de c\u00f3digo abierto que permite automatizar el despliegue de aplicaciones dentro de contenedores de software. Proporciona una capa adicional de abstracci\u00f3n y automatizaci\u00f3n de virtualizaci\u00f3n a nivel de sistema operativo en Linux.\n\nLos contenedores Docker empaquetan una aplicaci\u00f3n con todas sus dependencias en un formato estandarizado que puede ejecutarse en cualquier entorno Linux. Esto facilita enormemente el desarrollo, el testing y el despliegue de aplicaciones, ya que se eliminan los problemas de \"funciona en mi m\u00e1quina\".\n\nAlgunas de las caracter\u00edsticas clave de Docker son:\n\n- Aislamiento: Cada contenedor se ejecuta de forma aislada, con su propio sistema de archivos, procesos, etc.\n\n- Portabilidad: Los contenedores pueden ejecutarse en cualquier entorno Linux sin necesidad de modificarlos.\n\n- Ligereza: Los contenedores comparten el kernel del sistema operativo anfitri\u00f3n, lo que los hace mucho m\u00e1s ligeros que las m\u00e1quinas virtuales tradicionales.\n\n- Escalabilidad: Es muy f\u00e1cil escalar horizontalmente una aplicaci\u00f3n ejecutando m\u00faltiples instancias de un contenedor.\n\nDocker se ha convertido en una herramienta fundamental en el desarrollo de aplicaciones modernas, especialmente en el contexto de la arquitectura de microservicios y la computaci\u00f3n en la nube. <span class=\"glossaryai-tooltip glossary-term-672\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\" target=\"_blank\">run<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> --network host my_application_image<\/code><\/pre>\n<h3>Ejemplo: Ejecutar un servidor web<\/h3>\n<p>A modo de ejemplo, consideremos ejecutar un servidor web Nginx en modo host. Este comando ilustra c\u00f3mo iniciar el servidor:<\/p>\n<pre><code class=\"language-bash\">Docker es una plataforma de c\u00f3digo abierto que permite automatizar el despliegue de aplicaciones dentro de contenedores de software. Proporciona una capa adicional de abstracci\u00f3n y automatizaci\u00f3n de virtualizaci\u00f3n a nivel de sistema operativo en Linux.\n\nLos contenedores Docker empaquetan una aplicaci\u00f3n con todas sus dependencias en un formato estandarizado que puede ejecutarse en cualquier entorno Linux. Esto facilita enormemente el desarrollo, el testing y el despliegue de aplicaciones, ya que se eliminan los problemas de \"funciona en mi m\u00e1quina\".\n\nAlgunas de las caracter\u00edsticas clave de Docker son:\n\n- Aislamiento: Cada contenedor se ejecuta de forma aislada, con su propio sistema de archivos, procesos, etc.\n\n- Portabilidad: Los contenedores pueden ejecutarse en cualquier entorno Linux sin necesidad de modificarlos.\n\n- Ligereza: Los contenedores comparten el kernel del sistema operativo anfitri\u00f3n, lo que los hace mucho m\u00e1s ligeros que las m\u00e1quinas virtuales tradicionales.\n\n- Escalabilidad: Es muy f\u00e1cil escalar horizontalmente una aplicaci\u00f3n ejecutando m\u00faltiples instancias de un contenedor.\n\nDocker se ha convertido en una herramienta fundamental en el desarrollo de aplicaciones modernas, especialmente en el contexto de la arquitectura de microservicios y la computaci\u00f3n en la nube. <span class=\"glossaryai-tooltip glossary-term-672\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\" target=\"_blank\">run<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/run\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> --network host -d nginx<\/code><\/pre>\n<p>With this configuration, you can access the Nginx server using the host\u2019s IP address and the standard HTTP <span class=\"glossaryai-tooltip glossary-term-677\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\" target=\"_blank\">puerto<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Un PUERTO es un punto final de comunicaci\u00f3n en una red inform\u00e1tica, definido por un identificador num\u00e9rico. Facilita el enrutamiento de datos a aplicaciones espec\u00edficas, mejorando la funcionalidad y seguridad del sistema.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> 80.<\/p>\n<h2>Espacios de nombres de red y redes de host\n\nNetwork namespaces are a Linux kernel feature that allows you to create isolated network environments within a single host. Each network namespace has its own network interfaces, routing tables, and firewall rules. This feature is particularly useful for containerization and virtualization, as it enables you to run multiple isolated network stacks on a single physical host.\n\nIn the context of Docker, network namespaces play a crucial role in isolating containers from each other and from the host system. When you create a Docker container, it is assigned its own network namespace by default. This means that the container has its own network interfaces, IP addresses, and routing tables, separate from those of the host and other containers.\n\nHowever, there are situations where you might want a container to share the network namespace of the host. This is where the host networking mode comes into play. When you run a container with the --network=host option, it uses the host's network namespace instead of creating a new one. This means that the container shares the same network interfaces, IP addresses, and routing tables as the host.\n\nUsing host networking can be beneficial in certain scenarios:\n\n1. Performance: Since the container uses the host's network stack directly, there is no overhead associated with network address translation (NAT) or virtual Ethernet devices. This can result in slightly better network performance.\n\n2. Simplicity: For some applications, especially those that need to bind to specific ports or use advanced network features, host networking can simplify configuration and avoid potential conflicts.\n\n3. Legacy applications: Some older applications may have dependencies on specific network configurations that are difficult to replicate in a container's isolated network namespace.\n\nHowever, host networking also has some drawbacks:\n\n1. Security: By sharing the host's network namespace, the container has access to all of the host's network interfaces and can potentially interfere with other services running on the host.\n\n2. Port conflicts: Since the container uses the host's ports directly, you need to be careful to avoid port conflicts with other services running on the host.\n\n3. Limited isolation: Host networking reduces the isolation between the container and the host, which goes against one of the main principles of containerization.\n\nWhen deciding whether to use host networking, consider the specific requirements of your application and the trade-offs between performance, simplicity, and security. For most containerized applications, using Docker's default bridge networking or user-defined networks provides a good balance of isolation and functionality.\n\nIt's worth noting that Docker also provides other networking options, such as:\n\n- Bridge networking: The default option, which creates a virtual network bridge for each Docker host and assigns containers IP addresses from a subnet.\n- Overlay networking: Used for multi-host networking in Docker Swarm or Kubernetes, allowing containers on different hosts to communicate as if they were on the same network.\n- Macvlan networking: Allows you to assign a MAC address to a container, making it appear as a physical device on your network.\n- None networking: Completely disables networking for a container.\n\nUnderstanding these different networking options and when to use them is crucial for effectively deploying and managing containerized applications in various environments.<\/h2>\n<p>In Docker, each <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> runs within its own <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> namespace by default, which abstracts its networking <span class=\"glossaryai-tooltip glossary-term-682\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\" target=\"_blank\">pila<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. However, when a <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> runs in host networking mode, it shares the host&#8217;s default namespace. Understanding this concept is vital, as it clarifies why host networking behaves differently from other modes.<\/p>\n<h3>1. Namespace Sharing<\/h3>\n<p>Containers using host networking share the same <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> namespace as the host. This means they can see all available <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interfaces, and any changes made within the <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> (like adding routes or configuring <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interfaces) will affect the host directly.<\/p>\n<h3>2. Impact on Network Management<\/h3>\n<p><span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">Red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> management tools and monitoring solutions that operate at the namespace level may need to be adjusted when dealing with host networking. This requires awareness of how <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> conditions can change and what information can be effectively gathered.<\/p>\n<h2>Protecci\u00f3n de aplicaciones en redes de host\n\nEn el \u00e1mbito de la seguridad de redes, la protecci\u00f3n de aplicaciones en redes de host es un aspecto cr\u00edtico que requiere una atenci\u00f3n especial. Las redes de host, que conectan dispositivos dentro de un entorno local, son particularmente vulnerables a una variedad de amenazas cibern\u00e9ticas. Estas amenazas pueden incluir ataques de malware, intentos de acceso no autorizado, y explotaci\u00f3n de vulnerabilidades en las aplicaciones.\n\nPara asegurar las aplicaciones en redes de host, es fundamental implementar una estrategia de seguridad integral que abarque m\u00faltiples capas de protecci\u00f3n. Esto incluye:\n\n1. **Firewall de red**: Configurar firewalls para controlar el tr\u00e1fico entrante y saliente, permitiendo solo el tr\u00e1fico necesario para el funcionamiento de las aplicaciones.\n\n2. **Segmentaci\u00f3n de red**: Dividir la red en segmentos m\u00e1s peque\u00f1os para limitar la propagaci\u00f3n de amenazas y facilitar la gesti\u00f3n de la seguridad.\n\n3. **Actualizaciones y parches**: Mantener las aplicaciones y sistemas operativos actualizados con los \u00faltimos parches de seguridad para mitigar vulnerabilidades conocidas.\n\n4. **Autenticaci\u00f3n y autorizaci\u00f3n**: Implementar mecanismos robustos de autenticaci\u00f3n y autorizaci\u00f3n para garantizar que solo los usuarios autorizados puedan acceder a las aplicaciones.\n\n5. **Cifrado de datos**: Utilizar protocolos de cifrado para proteger la confidencialidad de los datos transmitidos a trav\u00e9s de la red.\n\n6. **Monitoreo y detecci\u00f3n de intrusiones**: Desplegar sistemas de detecci\u00f3n de intrusiones (IDS) y monitoreo de red para identificar y responder a actividades sospechosas.\n\n7. **Educaci\u00f3n y concienciaci\u00f3n**: Capacitar a los usuarios sobre las mejores pr\u00e1cticas de seguridad y los riesgos asociados con el uso de aplicaciones en redes de host.\n\nAdem\u00e1s, es importante realizar auditor\u00edas de seguridad peri\u00f3dicas y pruebas de penetraci\u00f3n para evaluar la eficacia de las medidas de seguridad implementadas y identificar posibles debilidades.\n\nEn resumen, la protecci\u00f3n de aplicaciones en redes de host requiere un enfoque proactivo y multifac\u00e9tico que combine tecnolog\u00eda, procesos y educaci\u00f3n para crear un entorno seguro y resiliente contra las amenazas cibern\u00e9ticas.<\/h2>\n<p>Debido a las implicaciones de seguridad del uso de la red de host, las organizaciones deben implementar medidas de seguridad s\u00f3lidas para proteger sus aplicaciones. Estas son algunas mejores pr\u00e1cticas:<\/p>\n<h3>1. Utilice privilegios m\u00ednimos<\/h3>\n<p>Al desplegar contenedores, siempre se debe adherir al principio de privilegio m\u00ednimo. Aseg\u00farese de que los contenedores solo tengan los permisos necesarios para funcionar, reduciendo as\u00ed la superficie de ataque.<\/p>\n<h3>2. Pol\u00edticas de Seguridad de Red<\/h3>\n<p>Implementando <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> security policies can help manage <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interactions. Tools like Docker&#8217;s built-in security features or third-party solutions can enforce restrictions on what containers can do.<\/p>\n<h3>3. Escaneo Regular de Vulnerabilidades<\/h3>\n<p>Conduct regular scans of <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> images for known vulnerabilities. Use tools like Clair or Trivy to scan images for potential security issues before deployment.<\/p>\n<h3>4. Monitoring and Logging<\/h3>\n<p>Implement monitoring solutions to track <span class=\"glossaryai-tooltip glossary-term-650\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\" target=\"_blank\">contenedor<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/container\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> behavior and <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> traffic. This can help identify unusual patterns or behaviors that might indicate a security breach.<\/p>\n<h2>Best Practices for Using Host Networking<\/h2>\n<p>Aunque la red de host puede ofrecer beneficios en ciertos escenarios, es fundamental seguir las buenas pr\u00e1cticas para mitigar los riesgos asociados. A continuaci\u00f3n se presentan varias recomendaciones:<\/p>\n<h3>1. Eval\u00faa los Casos de Uso<\/h3>\n<p>Before opting for host networking, assess whether the performance gains outweigh the security risks for your specific use case. For most applications, the default <span class=\"glossaryai-tooltip glossary-term-662\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/bridge-network\/\" target=\"_blank\">bridge network<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Bridge Network facilita la interoperabilidad entre varios ecosistemas de blockchain, permitiendo transferencias de activos y comunicaci\u00f3n sin interrupciones. Su arquitectura optimiza la escalabilidad y la accesibilidad para los usuarios en todas las redes.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/bridge-network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> will suffice.<\/p>\n<h3>2. Limit Container Count<\/h3>\n<p>If you opt for host networking, limit the number of containers running in this mode. The fewer containers sharing the host&#8217;s <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> <span class=\"glossaryai-tooltip glossary-term-682\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\" target=\"_blank\">pila<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/stack\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, the lower the risk of <span class=\"glossaryai-tooltip glossary-term-677\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\" target=\"_blank\">puerto<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Un PUERTO es un punto final de comunicaci\u00f3n en una red inform\u00e1tica, definido por un identificador num\u00e9rico. Facilita el enrutamiento de datos a aplicaciones espec\u00edficas, mejorando la funcionalidad y seguridad del sistema.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/port\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> conflicts and security vulnerabilities.<\/p>\n<h3>3. Aislar Servicios Cr\u00edticos\n\nLos servicios cr\u00edticos son aquellos que son esenciales para el funcionamiento de la organizaci\u00f3n y que, si se ven comprometidos, podr\u00edan causar un impacto significativo en la continuidad del negocio. Es importante aislar estos servicios para protegerlos de posibles amenazas y garantizar su disponibilidad.\n\nPara aislar los servicios cr\u00edticos, se pueden implementar las siguientes medidas:\n\n- **Segmentaci\u00f3n de la red**: Dividir la red en segmentos m\u00e1s peque\u00f1os y aislados para limitar el acceso a los servicios cr\u00edticos. Esto se puede lograr mediante el uso de firewalls, VLANs y otros dispositivos de seguridad de red.\n\n- **Control de acceso**: Implementar pol\u00edticas de control de acceso estrictas para limitar qui\u00e9n puede acceder a los servicios cr\u00edticos. Esto incluye el uso de autenticaci\u00f3n de dos factores, contrase\u00f1as seguras y permisos de usuario basados en roles.\n\n- **Monitoreo y detecci\u00f3n de intrusiones**: Implementar sistemas de monitoreo y detecci\u00f3n de intrusiones para detectar y responder r\u00e1pidamente a cualquier actividad sospechosa en los servicios cr\u00edticos.\n\n- **Respaldo y recuperaci\u00f3n**: Realizar copias de seguridad regulares de los datos y sistemas cr\u00edticos para garantizar que se puedan restaurar en caso de un incidente de seguridad o una interrupci\u00f3n del servicio.\n\n- **Formaci\u00f3n y concienciaci\u00f3n**: Proporcionar formaci\u00f3n y concienciaci\u00f3n a los empleados sobre la importancia de proteger los servicios cr\u00edticos y las mejores pr\u00e1cticas de seguridad.\n\nAl aislar los servicios cr\u00edticos, las organizaciones pueden reducir significativamente el riesgo de que estos servicios se vean comprometidos y garantizar su disponibilidad y continuidad.<\/h3>\n<p>Para aplicaciones sensibles, considere aislarlas en un host o m\u00e1quina virtual separados para minimizar riesgos. Esta estrategia ayuda a contener posibles amenazas y protege la infraestructura cr\u00edtica.<\/p>\n<h3>4. Utilice el namespacing de red de forma inteligente<\/h3>\n<p>Si su aplicaci\u00f3n puede dise\u00f1arse para utilizar eficazmente funciones como multicast o broadcast, considere usar redes de host. De lo contrario, prefiera redes puente o superpuestas para mayor seguridad y aislamiento.<\/p>\n<h2>Conclusi\u00f3n<\/h2>\n<p>Host networking in Docker offers a unique set of capabilities that can enhance performance and simplify certain configurations. However, it brings significant security risks and operational challenges that need to be carefully managed. By understanding the implications of this networking mode and following best practices, developers and system administrators can harness its advantages while minimizing potential drawbacks. As with any technology, the key lies in evaluating the specific requirements of your applications and environments to make informed decisions about the use of host networking. <\/p>\n<p>In summary, while Docker\u2019s host networking mode may not be suitable for every project, when appropriately utilized, it can deliver significant benefits, especially for performance-sensitive applications. By balancing the trade-offs, organizations can optimize their containerized deployments effectively.<\/p>","protected":false},"excerpt":{"rendered":"<p>A host <span class=\"glossaryai-tooltip glossary-term-661\"><span class=\"glossaryai-link\"><a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\" target=\"_blank\">red<\/a><\/span><span class=\"gai-content-hidden glossaryai-tooltip-content\"><span class=\"gai-tooltip-body\"><span class=\"glossaryai-tooltip-text\">Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa.<span class=\"glossaryai-more-link\"> <a href=\"https:\/\/dockerpros.com\/es\/wiki\/network\/\">More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> Se refiere a la infraestructura subyacente que respalda la comunicaci\u00f3n entre dispositivos en un entorno inform\u00e1tico. Abarca protocolos, hardware y software que facilitan el intercambio de datos.<\/p>","protected":false},"author":1,"featured_media":1444,"parent":0,"template":"","glossary-cat":[],"class_list":["post-664","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Host Network - Dockerpros<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dockerpros.com\/es\/wiki\/red-de-host\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Host Network - Dockerpros\" \/>\n<meta property=\"og:description\" content=\"A host network refers to the underlying infrastructure that supports communication between devices in a computing environment. 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