The Photon operating system must require that new passwords are at least four characters different from the old password.

An XCCDF Rule

Details
Profiles

Description

Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.

ID: SV-256501r982198_rule
Version: PHTN-30-000024
Severity: Medium
References: CCI-000195
Updated: about 2 months ago

Remediation Templates

Navigate to and open:

/etc/pam.d/system-password

Add the following, replacing any existing "pam_cracklib.so" line:
password requisite pam_cracklib.so dcredit=-1 ucredit=-1 lcredit=-1 ocredit=-1 minlen=8 minclass=4 difok=4 retry=3 maxsequence=0 enforce_for_root

Note: On vCenter appliances, the equivalent file must be edited under "/etc/applmgmt/appliance", if one exists, for the changes to persist after a reboot.

The Photon operating system must require that new passwords are at least four characters different from the old password.

Description

Remediation Templates

A Manual Procedure