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Re: [quicwg/base-drafts] Transport parameters are mandatory. Fixes #2528 (#2560)

Martin Thomson <notifications@github.com> Wed, 27 March 2019 08:46 UTC

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Subject: Re: [quicwg/base-drafts] Transport parameters are mandatory. Fixes #2528 (#2560)
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martinthomson approved this pull request.



> @@ -1249,7 +1249,10 @@ quic_transport_parameters extension carries a TransportParameters struct when
 the version of QUIC defined in {{QUIC-TRANSPORT}} is used.
 
 The quic_transport_parameters extension is carried in the ClientHello and the
-EncryptedExtensions messages during the handshake.
+EncryptedExtensions messages during the handshake. Endpoints MUST send the
+quic_transport_parameters extension; endpoints which receive ClientHello

```suggestion
quic_transport_parameters extension; endpoints that receive ClientHello
```
CMOS

> @@ -1249,7 +1249,10 @@ quic_transport_parameters extension carries a TransportParameters struct when
 the version of QUIC defined in {{QUIC-TRANSPORT}} is used.
 
 The quic_transport_parameters extension is carried in the ClientHello and the
-EncryptedExtensions messages during the handshake.
+EncryptedExtensions messages during the handshake. Endpoints MUST send the
+quic_transport_parameters extension; endpoints which receive ClientHello
+or EncryptedExtensions messages without the transport_parameters extension MUST

```suggestion
or EncryptedExtensions messages without the quic_transport_parameters extension MUST
```

> @@ -1249,7 +1249,10 @@ quic_transport_parameters extension carries a TransportParameters struct when
 the version of QUIC defined in {{QUIC-TRANSPORT}} is used.
 
 The quic_transport_parameters extension is carried in the ClientHello and the
-EncryptedExtensions messages during the handshake.
+EncryptedExtensions messages during the handshake. Endpoints MUST send the
+quic_transport_parameters extension; endpoints which receive ClientHello
+or EncryptedExtensions messages without the transport_parameters extension MUST
+terminate the TLS handshake with a fatal missing_extension alert.

```suggestion
terminate the TLS handshake with a fatal missing_extension alert (an error of 0x16d).
```

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