[问题]proftp与mysql连接的问题

[zrm19860823]

Jan 28 05:20:12 mod_sql/4.2.1[6293]: defaulting to 'postgres' backend
Jan 28 05:20:12 mod_sql/4.2.1[6293]: backend module 'mod_sql_postgres/4.02'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: backend api 'mod_sql_api_v2'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: >>> sql_sess_init
Jan 28 05:20:12 mod_sql/4.2.1[6293]: entering postgres cmd_defineconnection
Jan 28 05:20:12 mod_sql/4.2.1[6293]: name: 'default'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: user: 'root'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: host: 'localhost'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: db: 'proftpd'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: port: '3306'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: ttl: '0'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: exiting postgres cmd_defineconnection
Jan 28 05:20:12 mod_sql/4.2.1[6293]: entering postgres cmd_open
Jan 28 05:20:12 mod_sql/4.2.1[6293]: exiting postgres cmd_open
Jan 28 05:20:12 mod_sql/4.2.1[6293]: unrecoverable backend error
Jan 28 05:20:12 mod_sql/4.2.1[6293]: error: 'mod_sql_postgres/4.02'
Jan 28 05:20:12 mod_sql/4.2.1[6293]: message: 'received invalid response to SSL negotiation: B
'