Real IP when nginx, darkhttpd are behind HAProxy

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I use HAProxy as an entry point for most of the traffic hitting this server. Past that, I either have nginx fronting dynamic applications, or darkhttpd fronting static sites (such as this blog). This means that, unless configured otherwise, client IP addresses are known by HAProxy but applications behind it see all traffic coming from the HAProxy instance’s IP address. HAProxy One way you…

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