Detections
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ALMA-09-015640 - AlmaLinux OS 9 must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.
Information
Increasing the time between a failed authentication attempt and prompting to re-enter credentials helps to slow a single-threaded brute force attack.Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000480-GPOS-00226
Solution
Configure the AlmaLinux OS 9 to enforce a delay of at least four seconds between logon prompts following a failed console logon attempt.Modify the "/etc/login.defs" file to set the "FAIL_DELAY" parameter to 4 or greater:
FAIL_DELAY 4
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_CL_AlmaLinux_OS_9_V1R6_STIG.zip
Item Details
Audit Name: DISA Cloud Linux AlmaLinux OS 9 STIG v1r6
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-269217r1050099_rule, STIG-ID|ALMA-09-015640, Vuln-ID|V-269217
Plugin: Unix
Control ID: a6b4879b9aeae01bbc3e49e1d757206218ad465cc3549f1a2375042dbf155161