On Thu, Aug 9, 2018 at 4:57 AM, Peter Gutmann <pgut...@cs.auckland.ac.nz>
wrote:

> Benjamin Kaduk <bka...@akamai.com> writes:
>
> >A 1.2-capable implementation that is configured to only offer 1.1 should
> be
> >able to behave similarly.
>
> Except that it can't, because as soon as the server indicates use of TLS
> 1.1,
> the client is required to abort the handshake.  Thus no one can use TLS
> 1.1 or
> below, because the client is required to abort the handshake if the server
> indicates it's using this.
>

I believe you are misreading this text. The client is required to abort
only if the server
supplies the signalling bytes in ServerRandom, which a 1.1 server will not.

-Ekr


Peter.
>
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