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Reserved transport parameter (31·N+27)

Ignore the unknown parameter and complete the handshake normally.

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q-reserved-transport-param · RFC 9000 §18.1 · extensibility · layer quic · udp/4462 · MUST

Passing this means: Ignored something unknown and carried on.

Anomaly type: transport

How each client answered

ClientVersionVerdictWhat happened
curl ngtcp2/1.11.0 Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.
quinn noq fork Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.
aioquic 1.3.0 Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.
chromium build 1223 Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.
quic-go quic-go v0.61.0 Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.
quiche 0.30.0 Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.
neqo 0.31.1 Pass Ignored the unrecognised element and carried on: completed a handshake carrying a reserved transport parameter.

What the clause requires

Ignore the unknown parameter and complete the handshake normally.

Judged against RFC 9000.

Run this one yourself

Every test is reachable from your own client. Nothing here needs an account.

curl -s https://conformance.pqcrypta.com/catalog.json \
  | jq '.tests[] | select(.id == "q-reserved-transport-param")'

What this suite is · The full grid · All clients · All tests · Findings