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Re: [TLS] Protocol version for inappropriate_fallback alerts (was: Re: I-D Action: draft-ietf-tls-downgrade-scsv-01.txt)

Bodo Moeller <bmoeller@acm.org> Tue, 11 November 2014 19:41 UTC

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From: Bodo Moeller <bmoeller@acm.org>
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Cc: Florian Weimer <fweimer@redhat.com>
Subject: Re: [TLS] Protocol version for inappropriate_fallback alerts (was: Re: I-D Action: draft-ietf-tls-downgrade-scsv-01.txt)
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>
> [...], the server MUST respond with a fatal inappropriate_fallback alert *(unless
> it responds with a fatal protocol_version alert because the version
> indicated in ClientHello.client_version is unsupported). The record layer
> version number MUST be set to ClientHello.cipher_suites for this alert (as
> it would for the Server Hello message if the server was continuing the
> handshake)*.
>
>
Thanks to Yngve, Florian, and Martin for the correction -- of course, that
version number must be set to ClientHello.client_version; I have fixed my
working copy accordingly.

Bodo

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