OL 9 must configure the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-271838 | SRG-OS-000021-GPOS-00005 | OL09-00-003012 | SV-271838r1092226_rule | 2025-05-08 | 1 |
| Description |
|---|
| If the pam_faillock.so module is not loaded, the system will not correctly lockout accounts to prevent password guessing attacks. |
| ℹ️ Check |
|---|
| Verify that OL 9 configures the pam_faillock.so module to exist in the "/etc/pam.d/password-auth" file with the following command: $ grep pam_faillock.so /etc/pam.d/password-auth auth required pam_faillock.so preauth auth required pam_faillock.so authfail account required pam_faillock.so If the pam_faillock.so module is not present in the "/etc/pam.d/password-auth" file with the "preauth" line listed before pam_unix.so, this is a finding. |
| ✔️ Fix |
|---|
| Configure OL 9 to include the use of the pam_faillock.so module in the /etc/pam.d/password-auth file. Add/modify the appropriate sections of the "/etc/pam.d/password-auth" file to match the following lines: Note: The "preauth" line must be listed before pam_unix.so. auth required pam_faillock.so preauth auth required pam_faillock.so authfail account required pam_faillock.so |