Re: [TLS] invariant or not: one TLS connection per TCP connection?

Martin Thomson <mt@lowentropy.net> Wed, 15 July 2020 06:42 UTC

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Date: Wed, 15 Jul 2020 16:42:10 +1000
From: Martin Thomson <mt@lowentropy.net>
To: tls@ietf.org
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/CUxdmoKIn-Yc4krKyKssvt6AVeE>
Subject: Re: [TLS] invariant or not: one TLS connection per TCP connection?
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On Wed, Jul 8, 2020, at 14:22, Benjamin Kaduk wrote:
> Hi all,
> 
> There's an interesting note in draft-ietf-nfsv4-rpc-tls-08 (currently
> in IESG Evaluation):
> 
>    The protocol convention specified in the current document assumes
>    there can be no more than one concurrent TLS session per TCP
>    connection.  This is true of current generations of TLS, but might be
>    different in a future version of TLS.
> 
> Can we envision wanting to do such a thing (e.g., with connection IDs for
> non-D TLS)?  If not, I can give them guidance that this type of statement
> is not needed.

Are we forgetting HTTP CONNECT in HTTP/2?