My Oracle Support Banner

Java October 2023 CPU: When Establishing a TLS Connection, Server's Cipher Suite Preference Will Now Be Used (Doc ID 2962918.1)

Last updated on JULY 21, 2023

Applies to:

Java SE JDK and JRE - Version 8 and later
Information in this document applies to any platform.


 In the October 2023 Java CPU release, there will be two changes introduced in Java Security which can be seen in the Crypto Roadmap.

  1. Use the server's cipher suite preference order instead of the client's when establishing a TLS connection
  2. Increase the default TLS Diffie-Hellman group size from 1024-bit to 2048-bit

This document discusses the first change.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.