The delay between login prompts following a failed login attempt must be at least 4 seconds.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-216335 | SRG-OS-000480 | SOL-11.1-040160 | SV-216335r959010_rule | 2026-02-19 | 3 |
Description
As an immediate return of an error message, coupled with the capability to try again, may facilitate automatic and rapid-fire brute-force password attacks by a malicious user.
ℹ️ Check
Check the SLEEPTIME parameter in the /etc/default/login file.
# grep ^SLEEPTIME /etc/default/login
If the output is not SLEEPTIME=4 or more, this is a finding.
✔️ Fix
The root role is required.
# pfedit the /etc/default/login
Locate the line containing:
SLEEPTIME
Change the line to read:
SLEEPTIME=4