Add "PROXY protocol" Support -> quick win: DoH, DOT, DNSCrypt, Loadbalancing, dns rulesets with dnsdist

Feature Requests
22

The proxy protocol has nothing to do with dns, it is a general approach to keep the client IP address when passing the protocol through a proxy.

Here is an example script for the encoding, I don't have a pcap.

GitHub - ably/proxy-protocol-v2: A simple encoder and decoder for the proxy protocol v2 binary format