Quick notes to enable the original/real ip forwarding when a client make a request to the HAProxy and balanced to one or several nginx servers.

Golang package to handle HAProxy Proxy Protocol v1

Pre-process PROXY protocol headers from node tcp sockets

Jrinetd is a network TCP port redirector/forward proxy (like rinetd) with extra features like connection Failover, LoadBalancing and Clustering. In pure Java (NIO)

A simple TCP relay made in Rust

一款轻量级、高性能、功能强大的内网穿透代理服务器。支持tcp、udp、socks5、http等几乎所有流量转发，可用来访问内网网站、本地支付接口调试、ssh访问、远程桌面，内网dns解析、内网socks5代理等等……，并带有功能强大的web管理端。a lightweight, high-performance, powerful intranet penetration proxy server, with a powerful web management terminal.

The patch for NGINX.Streams which brings support of proxy protocol v2

a lightweight library that helps aged programs deal with proxy-protocol

proxy protocol encoding/decoding lib in c with example

A PROXY protocol (v1/v2) builder and parser for JavaScript

ProFTPD module for handling TCP protocols for conveying proxy connection info

An example http proxy configuration to test applications against

Gamma. A multi-client, multi-server Minecraft proxy implemented in Python

An ANSI C library to parse and create PROXY protocol v1 and v2 headers

Proxy Protocol support for Fabric and Quilt servers

Replaces IPSet implementation with UFW for v4 ranges from a source address. Works with TCPShield and similar services which rely on Proxy Protocol.

Add PROXY v1 or v2 support to net, http, https, spdy and http2 servers. IPv4 and IPv6 protocols supported.

Golang implementation of MMProxy

Proxy protocol v1 and v2 support via an LD_PRELOAD library

PROXY protocol support for internal-to-LoadBalancer traffic for Kubernetes Ingress users. If you've had problems with ingress-nginx, cert-manager, LetsEncrypt ACME HTTP01 self-check failures, and the PROXY protocol, read on.