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Re: [TLS] Deprecating alert levels

Martin Thomson <martin.thomson@gmail.com> Sun, 16 October 2016 09:54 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Sun, 16 Oct 2016 20:53:18 +1100
Message-ID: <CABkgnnUDPobAqmQFu+H_2btFgi1s8CGUW_anxSpssu31rp-V1g@mail.gmail.com>
To: Kyle Nekritz <knekritz@fb.com>
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Subject: Re: [TLS] Deprecating alert levels
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I'm sympathetic to this, but just to be clear...

You are suggesting that end_of_early_data and close_notify will be
marked "fatal".

WFM.

On 15 October 2016 at 08:07, Kyle Nekritz <knekritz@fb.com> wrote:
> After PR #625 all alerts are required to be sent with fatal AlertLevel
> except for close_notify, end_of_early_data, and user_canceled. Since those
> three alerts all have separate specified behavior, the AlertLevel field is
> not serving much purpose, other than providing potential for misuse. We
> (Facebook) currently receive a number of alerts at incorrect levels from
> clients (internal_error warning alerts, etc.). I propose deprecating this
> field to simplify implementations and require that any misuse be ignored.
>
>
>
> PR: https://github.com/tlswg/tls13-spec/pull/693
>
>
>
> Kyle
>
>
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