SLEM 5 shadow password suite must be configured to enforce a delay of at least five seconds between logon prompts following a failed logon attempt.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-261350 | SRG-OS-000480-GPOS-00226 | SLEM-05-411020 | SV-261350r996504_rule | 2025-05-08 | 1 |
| 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. |
| ℹ️ Check |
|---|
| Verify SLEM 5 enforces a delay of at least five seconds between logon prompts following a failed logon attempt with the following command: > grep -i fail_delay /etc/login.defs FAIL_DELAY 5 If the value of "FAIL_DELAY" is not set to "5" or greater, the line is commented out, or the line is missing, this is a finding. |
| ✔️ Fix |
|---|
| Configure SLEM 5 to enforce a delay of at least five seconds between logon prompts following a failed logon attempt. Add or modify the following line in the "/etc/login.defs" file: FAIL_DELAY 5 |