Use the Proxy Protocol to Preserve a Client’s IP Address

In this blog post, you’ll learn how the Proxy Protocol preserves a client’s IP address when that client’s connection passes through a proxy. You will also find resources for how to integrate the protocol into your own proxy or web server software. What is the Proxy Protocol? It is a network protocol for preserving a client’s IP address when the client’s TCP connection passes through a proxy. Witho

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HAProxy の Proxy Protocol

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HAProxy Technologies Blog

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“The Proxy Protocol was designed to chain proxies / reverse-proxies without losing the client information.”