envoyproxy/envoy

"PROXY_PROTO" for L4 QUIC proxying

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#20,380 opened on 2022年3月16日

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area/quicarea/udphelp wanted

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説明

It's nice to be able to L4 proxy QUIC without losing original client IP. If you can send large packets, one solution is to prepend a proxy-proto style header from "maglev" style Enovy to L7 Envoy.

One way to signal if a packet is munged by setting the version from standard QUIC versions to something synthetic like kPROX. I'd be happy to sanitize some of our munging and unmunging code when/if someone takes a look at this.

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