lsquic — Reserved SETTINGS identifier (0x1f·N+0x21)

Pass

Ignored the unrecognised element and completed the follow-up request.

The client did what the clause requires.

What was measured

Client

lsquic — LiteSpeed lsquic + BoringSSL, 4.9.4

Test

Reserved SETTINGS identifier (0x1f·N+0x21) — h-grease-settings

Clause

RFC 9114 §7.2.4.1 (MUST)

Class

extensibility — Ignored something unknown and carried on.

Required behaviour

Ignore the unknown setting and complete the request.

Measured

2026-09-18

Reproduce it

The suite is the judge, so the reproduction is to point the same client at the same test and let the server report what it saw.

SESSION=$(curl -sX POST https://conformance.pqcrypta.com/session | jq -r .id)
# then drive lsquic at the test URL and read the verdict:
curl -s https://conformance.pqcrypta.com/report/$SESSION.json | jq '.results["h-grease-settings"]'