Guide to the Secure Configuration of Red Hat Enterprise Linux 8
Rules, Groups, and Values defined within the XCCDF Benchmark
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Set Account Expiration Parameters
Accounts can be configured to be automatically disabled after a certain time period, meaning that they will require administrator interaction to be...Group -
number of days after the last login of the user when the user will be locked out
'This option is specific for the auth or account phase. It specifies the number of days after the last login of the user when the user will be lock...Value -
number of days after a password expires until the account is permanently disabled
The number of days to wait after a password expires, until the account will be permanently disabled.Value -
Set Account Expiration Following Inactivity
To specify the number of days after a password expires (which signifies inactivity) until an account is permanently disabled, add or correct the fo...Rule Medium Severity -
Assign Expiration Date to Emergency Accounts
Emergency accounts are privileged accounts established in response to crisis situations where the need for rapid account activation is required. In...Rule Medium Severity -
Assign Expiration Date to Temporary Accounts
Temporary accounts are established as part of normal account activation procedures when there is a need for short-term accounts. In the event tempo...Rule Medium Severity -
Ensure All Accounts on the System Have Unique Names
Ensure accounts on the system have unique names. To ensure all accounts have unique names, run the following command: <pre>$ sudo getent passwd | ...Rule Medium Severity -
Use Centralized and Automated Authentication
Implement an automated system for managing user accounts that minimizes the risk of errors, either intentional or deliberate. This system should in...Rule Medium Severity -
Set Password Expiration Parameters
The file <code>/etc/login.defs</code> controls several password-related settings. Programs such as <code>passwd</code>, <code>su</code>, and <code>...Group -
maximum password age
Maximum age of password in daysValue -
minimum password age
Minimum age of password in daysValue -
minimum password length
Minimum number of characters in passwordValue -
Set Password Maximum Age
To specify password maximum age for new accounts, edit the file <code>/etc/login.defs</code> and add or correct the following line: <pre>PASS_MAX_D...Rule Medium Severity -
Set Password Minimum Age
To specify password minimum age for new accounts, edit the file <code>/etc/login.defs</code> and add or correct the following line: <pre>PASS_MIN_D...Rule Medium Severity -
Set Password Minimum Length in login.defs
To specify password length requirements for new accounts, edit the file <code>/etc/login.defs</code> and add or correct the following line: <pre>PA...Rule Medium Severity -
Set Existing Passwords Maximum Age
Configure non-compliant accounts to enforce a <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_accounts_maximum_age_login_defs" use="le...Rule Medium Severity -
Set Existing Passwords Minimum Age
Configure non-compliant accounts to enforce a 24 hours/1 day minimum password lifetime by running the following command: <pre>$ sudo chage -m 1 <i>...Rule Medium Severity -
Set Existing Passwords Warning Age
To configure how many days prior to password expiration that a warning will be issued to users, run the command: <pre>$ sudo chage --warndays <xccd...Rule Medium Severity -
Set Password Warning Age
To specify how many days prior to password expiration that a warning will be issued to users, edit the file <code>/etc/login.defs</code> and add or...Rule Medium Severity -
Verify Proper Storage and Existence of Password Hashes
By default, password hashes for local accounts are stored in the second field (colon-separated) in <code>/etc/shadow</code>. This file should be re...Group
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