#### `tls_version`

- Description: This system variable accepts a comma-separated list (with no whitespaces) of TLS protocol versions. A TLS protocol version will only be enabled if it is present in this list. All other TLS protocol versions will not be permitted.
  - See Secure Connections Overview: TLS Protocol Versions for more information.
- Commandline: `--tls-version=value`
- Scope: Global
- Dynamic: No
- Data Type: `enumerated`
- Default Value: TLSv1.1,TLSv1.2,TLSv1.3
- Valid Values: TLSv1.0,TLSv1.1,TLSv1.2,TLSv1.3
- Introduced: MariaDB 10.4.6