How to Encrypt Replication Traffic in MariaDB Galera Cluster on Ubuntu

Previously, we discussed how to set up MariaDB Galera multi-master cluster on Ubuntu. By default, replication traffic in MariaDB Galera cluster is unencrypted. This tutorial will be showing you how to Enable TLS encryption so nodes in the cluster can communicate with each other securely over the public Internet. There are 2 types of replication traffic in Galera cluster:

• State transfer
• Write-set replication

Read full tutorial here: https://www.linuxbabe.com/mariadb/encrypt-replication-traffic-mariadb-galera-cluster-ubuntu