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XCCDF
Guide to the Secure Configuration of Ubuntu 20.04
System Settings
Account and Access Control
Protect Accounts by Configuring PAM
Set Lockouts for Failed Password Attempts
Limit Password Reuse
Limit Password Reuse
An XCCDF Rule
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Limit Password Reuse
Medium Severity
Do not allow users to reuse recent passwords. This can be accomplished by using the
remember
option for the
pam_unix
or
pam_pwhistory
PAM modules.