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XCCDF
Guide to the Secure Configuration of OpenEmbedded
System Settings
Account and Access Control
Protect Accounts by Restricting Password-Based Login
Set Account Expiration Parameters
Ensure All Accounts on the System Have Unique Names
Ensure All Accounts on the System Have Unique Names
An XCCDF Rule
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Ensure All Accounts on the System Have Unique Names
Medium Severity
Ensure accounts on the system have unique names. To ensure all accounts have unique names, run the following command:
$ sudo getent passwd | awk -F: '{ print $1}' | uniq -d
If a username is returned, change or delete the username.