Server System Variables encryption support for the administrative interface, see Administrative Interface Support for Encrypted Connections. • admin_ssl_cipher • admin_ssl_crl • admin_ssl_crlpath 766 The  admin_ssl_cipher  system variable is like  ssl_cipher , except that it applies to the administrative connection interface rather than the main connection interface. For information about configuring encryption support for the administrative interface, see Administrative Interface Support for Encrypted Connections. The  admin_ssl_crl  system variable is like  ssl_crl , except that it applies to the administrative connection interface rather than the main connection interface. For information about configuring encryption support for the administrative interface, see Administrative Interface Support for Encrypted Connections. Command-Line Format --admin-ssl-cipher=name Introduced 8.0.21 System Variable admin_ssl_cipher Scope Global Dynamic Yes SET_VAR  Hint Applies No Type String Default Value NULL Command-Line Format --admin-ssl-crl=file_name Introduced 8.0.21 System Variable admin_ssl_crl Scope Global Dynamic Yes SET_VAR  Hint Applies No Type File name Default Value NULL Command-Line Format --admin-ssl-crlpath=dir_name Introduced 8.0.21 System Variable admin_ssl_crlpath Scope Global Dynamic Yes SET_VAR  Hint Applies No Type Directory name