Yes, backward compatibility is optional. On Thu, Aug 5, 2021 at 1:44 PM Toerless Eckert <t...@cs.fau.de> wrote:
> I am trying to figure out if every implementation compliant with > RFC8446 is also necessarily interoperable with an RFC5246 peer, or if this > is just a likely common, but still completely optional implementation > choice. > > I could not find any explicit statement that backward compatibility > with RFC5246 is mandatory (but i just was doing browsing/keyword search > over RFC8446). COnditional text such as: > > "implementations which support both TLS 1.3 and earlier versions SHOULD" > > make me think that TLS 1.2 backward compatibility is just optional. > > Thanks > Toerless > > _______________________________________________ > TLS mailing list > TLS@ietf.org > https://www.ietf.org/mailman/listinfo/tls >
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