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RHEL-10-600200 RHEL 10 must enforce a delay of at least four seconds between login prompts following a failed login attempt.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to AC-7 via CCI-002238

Title

RHEL 10 must enforce a delay of at least four seconds between login prompts following a failed login attempt.

Control

Verify RHEL 10 enforces a delay of at least four seconds between console login prompts following a failed login attempt with the following command: $ sudo grep -i fail_delay /etc/login.defs FAIL_DELAY 4 If the value of "FAIL_DELAY" is not set to "4" or greater, or the line is commented out, this is a finding.

Discussion

Increasing the time between a failed authentication attempt and reprompting to enter credentials helps to slow a single-threaded brute-force attack.

Related controls

CCI-002238

Fix

Configure RHEL 10 to enforce a delay of at least four seconds between login prompts following a failed console login attempt. Modify the "/etc/login.defs" file to set the "FAIL_DELAY" parameter to "4" or greater: FAIL_DELAY 4