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The SUSE operating system must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-77131 | SLES-12-010370 | SV-91827r2_rule | Medium |
| Description |
|---|
| Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account. |
| STIG | Date |
|---|---|
| SLES 12 Security Technical Implementation Guide | 2019-03-12 |
Details
| Check Text ( C-76741r3_chk ) |
|---|
| Verify the SUSE operating system enforces a delay of at least four seconds between logon prompts following a failed logon attempt. # grep pam_faildelay /etc/pam.d/common-auth* auth required pam_faildelay.so delay=4000000 If the value of "delay" is not set to "4000000", "delay" is commented out, "delay" is missing, or the "pam_faildelay" line is missing completely, this is a finding. |
| Fix Text (F-83827r2_fix) |
|---|
| Configure the SUSE operating system to enforce a delay of at least four seconds between logon prompts following a failed logon attempt. Edit the file "/etc/pam.d/common-auth". Add a parameter "pam_faildelay" and set it to: # delay is in micro seconds auth required pam_faildelay.so delay=4000000 |