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The system must prohibit the reuse of passwords within five iterations.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-38658 | RHEL-06-000274 | SV-50459r4_rule | Medium |
| Description |
|---|
| Preventing reuse of previous passwords helps ensure that a compromised password is not reused by a user. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 6 Security Technical Implementation Guide | 2017-04-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-43608r4_fix) |
|---|
| Do not allow users to reuse recent passwords. This can be accomplished by using the "remember" option for the "pam_pwhistory" PAM module. In the file "/etc/pam.d/system-auth", append "remember=5" to the line which refers to the "pam_pwhistory.so" module, as shown: password required pam_pwhistory.so [existing_options] remember=5 The DoD requirement is five passwords. |