On 06/30/2015 07:59 AM, mcclnx mcc wrote: > We have Centos 5.8 on LInux server.I setup /etc/login.defs following: > PASS_MAX_DAYS 3 So you're saying that you're running a CentOS that has not been updated in three years and as such is full of security vulnerabilities and bugs and yet you are security-conscious enough to want a 3 day password expire? Do yourself a favor and yum update, that will help you to secure your system way better than your password policy. Peter