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Summary
This PR introduces a
quic
matcher that enables Caddy to multiplex QUIC with anything else like OpenVPN and Wireguard on a single UDP port. This matcher supports all the currently existingtls
matchers, includingalpn
,sni
,local_ip
, andremote_ip
. Besides, it exposes the following placeholders:{l4.quic.tls.server_name}
,{l4.quic.tls.version}
, and{l4.quic.version}
.Syntax
Discussion / Further steps
1/ a
quic
handler, i.e. an intermediary unwrapper to handle incoming QUIC connections;2/ QUIC support in the
proxy
handler, i.e. an intermediary wrapper to handle outgoing QUIC connections;3/ QUIC, and generally UDP, wrapper in the mainline code, i.e. a listener_wrappers alternative for net.PacketConn connections.