2019-10-09 20:33:50 +00:00
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---
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title: Proxy
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id: proxy
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date: 2019-09-10
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short_description: >
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2019-12-20 14:49:32 +00:00
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An application acting as an intermediary between clients and servers
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2019-10-09 20:33:50 +00:00
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aka:
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tags:
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- networking
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---
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In computing, a proxy is a server that acts as an intermediary for a remote
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service.
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<!--more-->
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A client interacts with the proxy; the proxy copies the client's data to the
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actual server; the actual server replies to the proxy; the proxy sends the
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actual server's reply to the client.
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[kube-proxy](/docs/reference/command-line-tools-reference/kube-proxy/) is a
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network proxy that runs on each node in your cluster, implementing part of
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the Kubernetes {{< glossary_tooltip term_id="service">}} concept.
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You can run kube-proxy as a plain userland proxy service. If your operating
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system supports it, you can instead run kube-proxy in a hybrid mode that
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achieves the same overall effect using less system resources.
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