rhel7.5新特性--回文密码无法安装rhel7.5

安装完成rhel7.5之后，新建用户，该新建用户的密码可以是回文密码

[root@dbserver yum.repos.d]# passwd pg104
Changing password for user pg104.
New password: 
BAD PASSWORD: The password is a palindrome
Retype new password: 
passwd: all authentication tokens updated successfully.
[root@dbserver yum.repos.d]#