Radiator Server Documentation — v10.34.1
Rejecting Radius TLS connection because the client omitted required ALPN
RADIUS TLS client omitted required ALPN.
Emission
Log level: DEBUG
Per-request tracing: No
Promotion: WARN
Logged when listener policy requires ALPN but the TLS client does not negotiate a protocol.
Correct the peer ALPN list or review TLS
radius_versions.