Server System Variables SET_VAR  Hint Applies No Type Directory name Default Value NULL The path name of the directory that contains trusted SSL Certificate Authority (CA) certificate files in PEM format. As of MySQL 8.0.16, this variable is dynamic and can be modified at runtime to affect the TSL context the server uses for new connections. See Server-Side Runtime Configuration and Monitoring for Encrypted Connections. Prior to MySQL 8.0.16, this variable can be set only at server startup. • ssl_cert Command-Line Format --ssl-cert=file_name System Variable ssl_cert Scope Global Dynamic ( ≥  8.0.16) Yes Dynamic ( ≤  8.0.15) No SET_VAR  Hint Applies No Type File name Default Value NULL The path name of the server SSL public key certificate file in PEM format. If the server is started with  ssl_cert  set to a certificate that uses any restricted cipher or cipher category, the server starts with support for encrypted connections disabled. For information about cipher restrictions, see Connection Cipher Configuration. As of MySQL 8.0.16, this variable is dynamic and can be modified at runtime to affect the TSL context the server uses for new connections. See Server-Side Runtime Configuration and Monitoring for Encrypted Connections. Prior to MySQL 8.0.16, this variable can be set only at server startup. • ssl_cipher Command-Line Format --ssl-cipher=name System Variable ssl_cipher Scope Global Dynamic ( ≥  8.0.16) Yes Dynamic ( ≤  8.0.15) No SET_VAR  Hint Applies No Type String 891