Hi Deepak, Kafka currently only supports TLS 1.3 with Java 11 or newer. As you said, Kafka 2.6 added support for it, but we recommend using something more recent as there were some fixes after the original release.
Ismael On Fri, Dec 2, 2022 at 7:21 AM Deepak Nangia <deepak.nan...@ericsson.com.invalid> wrote: > Hello All, > > I have few queries regarding Kafka support for TLSv1.3 as below: > > > 1. Which Kafka version and above support TLSv1.3 > * In latest Kafka release notes, I see that TLSv1.3 has been > introduced in Kafka 2.6.0 and above. Reference< > https://kafka.apache.org/documentation/#configuration:~:text=TLSv1.3%20has%20been%20enabled%20by%20default%20for%20Java%2011%20or%20newer>. > Can you please confirm. > > > > 1. Does Kafka running over Java 8 support TLSv1.3 > * Java 8u261 and above support TLSv1.3. Release Notes Reference< > https://www.oracle.com/java/technologies/javase/8u261-relnotes.html>. > > If we run Kafka client and Kafka broker on systems having Java 8u261 and > above, then shall Kafka support TLSv1.3? > > Regards > Deepak Nangia > >