Validate gRPC response protocol is not downgraded #600
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ping @jtattermusch what does C Core do here? |
Contributor
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@yashykt do you know the answer? (if not you, who does?) |
Member
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gRPC does not work with HTTP/1.1. It would need HTTP/2. I don't remember the exact behavior from the server in case the client sends HTTP/1.1 but I am guessing that it would be something like a bad response. |
JunTaoLuo
approved these changes
Oct 22, 2019
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HttpClient sends HTTP/1.1 and HTTP/2 with ALPN negotiation, so a server could potentially start a HTTP/1.1 connection if it doesn't support HTTP/2.
Validate response is always HTTP/2.
@jtattermusch What does Grpc.Core do here? I'm guessing it would only ever allow HTTP/2.