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> Because quic is no ip protocol (but on top of udp)

Did you mean to write something else?

UDP very much is an IP protocol, just like TCP is an IP protocol.

https://en.wikipedia.org/wiki/Internet_Protocol_Suite

TCP and UDP are "IP protocols" in that their packets are nested directly inside an IP packet and they have associated protocol numbers [1] to distinguish them from other things that might be inside an IP packet. QUIC theoretically deserves to be one of these too but for pragmatic reasons it has to be nested inside UDP. GP is asserting that `-p quic` will not be implemented, because it would be a layering violation.

[1] https://en.wikipedia.org/wiki/List_of_IP_protocol_numbers

Exactly! Thank you for putting in the time to elaborate what I meant.

Ahh, thanks!

I think the GP wanted to know how a firewall can tell quic traffic from other UDP traffic.

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