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SSL Settings

Galera Cluster supports secure encrypted connections between nodes using SSL protocol. This includes connections between database clients and servers through the standard SSL support in MySQL. It also includes encrypting replication traffic particular to Galera Cluster itself.

The SSL implementation is cluster-wide and doesn’t support authentication for replication traffic. You must enable SSL for all nodes in the cluster or none of them.

• SSL Certificates
• SSL Configuration
• SSL for State Snapshot Transfers
  • New way SSL configuration for xtrabackup-v2 and rsync SSTs (releases 5.7.34 and 8.0.25 or newer)
  • Old way SSL configuration for xtrabackup-v2 SST