diff --git a/draft-ietf-quic-tls.md b/draft-ietf-quic-tls.md index fb840be09e..eb71a13414 100644 --- a/draft-ietf-quic-tls.md +++ b/draft-ietf-quic-tls.md @@ -1254,8 +1254,8 @@ The quic_transport_parameters extension is carried in the ClientHello and the EncryptedExtensions messages during the handshake. Endpoints MUST send the quic_transport_parameters extension; endpoints that receive ClientHello or EncryptedExtensions messages without the quic_transport_parameters extension -MUST terminate the TLS handshake with a fatal missing_extension alert (an error -of 0x16d). +MUST close the connection with an error of type 0x16d (equivalent to a fatal TLS +missing_extension alert, see {{tls-errors}}). While the transport parameters are technically available prior to the completion of the handshake, they cannot be fully trusted until the handshake completes,