Connections and Authentication

파라미터	설명
`authentication_timeout`
`bonjour`
`bonjour_name`
`client_connection_check_interval`
`db_user_namespace`
`gss_accept_delegation`
`krb_caseins_users`
`krb_server_keyfile`
`listen_addresses`
`max_connections`
`md5_password_warnings`
`oauth_validator_libraries`
`password_encryption`
`password_expiration_warning_threshold`	password 만료가 임박한 role이 로그인하면 WARNING을 내보낼 기준 기간을 정한다.
`port`
`reserved_connections`
`scram_iterations`
`ssl`
`ssl_ca_file`
`ssl_cert_file`
`ssl_ciphers`
`ssl_crl_dir`
`ssl_crl_file`
`ssl_dh_params_file`
`ssl_ecdh_curve`
`ssl_groups`
`ssl_key_file`
`ssl_max_protocol_version`
`ssl_min_protocol_version`
`ssl_passphrase_command`
`ssl_passphrase_command_supports_reload`
`ssl_prefer_server_ciphers`
`ssl_sni`	client가 보낸 SNI hostname에 따라 host별 SSL 설정을 적용할지 결정한다.
`ssl_tls13_ciphers`
`superuser_reserved_connections`
`tcp_keepalives_count`
`tcp_keepalives_idle`
`tcp_keepalives_interval`
`tcp_user_timeout`
`unix_socket_directories`
`unix_socket_group`
`unix_socket_permissions`