Viktor Dukhovni <[email protected]> wrote:
    >> The term opportunistic has become the new synonym for 'Good' but it is
    >> being used for many different things.

    > Since I am the primary perpetrator of the thought crime in question,      
:-)
    > I'd like to explain the term we used, and why, and solicit a better
    > term if the IETF has a better way of expressing the underlying idea.

    > Background:

    > In the Postfix community, we've historically used the term
    > "opportunistic TLS":

    > http://www.postfix.org/TLS_README.html#client_tls_may

    > to refer to a client that employs TLS encryption without any
    > authentication when the server's EHLO response includes STARTTLS.
    > In this case the client is willing to otherwise send in the clear,
    > and, in fact, will fallback to cleartext when the TLS handshake fails.

I think that this term is consistent with rfc4322's use of opportunistic
(IPsec) encryption.

(I clipped the rest, because I have nothing to add)

--
Michael Richardson <[email protected]>, Sandelman Software Works
 -= IPv6 IoT consulting for hire =-



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