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How exactly do NULL ciphers accomplish enterprise monitoring goals? The point of the TLS 1.3 handshake improvements was to eliminate simple escrowed key passive monitoring. You could have the old PKZip cipher defined as a TLS 1.3 ciphersuite; that doesn't mean a middlebox can get anybody to use it. Can you explain how this would get any enterprise any access it doesn't already have?

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> How exactly do NULL ciphers accomplish enterprise monitoring goals?

I don't understand how this isn't obvious. Unencrypted means it is monitorable.

The presence of an insecure ciphersuite in the TLS standard does not in fact imply the ability of a middlebox to force that ciphersuite; that's kind of the whole point of the TLS protocol. So, I ask again.

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