mysql的这个参数指的是网络错误 密码错误并不算在内 索引尝试用for循环尝试密码的用户host并不会block
以下是mysql非常出名的分支percona的cto关于max_connect_errors的评论
There seems to be confusion around that variable. It does not really block hosts for repeated invalid passwords but for aborted connections due to network errors.