AIX must enforce a delay of at least 4 seconds between login prompts following a failed login attempt.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215337	AIX7-00-003029	SV-215337r508663_rule		Medium

Description
Limiting the number of login attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account.

STIG	Date
IBM AIX 7.x Security Technical Implementation Guide	2022-06-06

Details

Check Text ( C-16535r294462_chk )
From the command prompt, run the following command to check the default "logindelay" value: # lssec -f /etc/security/login.cfg -s default -a logindelay The above command should yield the following output: default logindelay=4 If the above command displays the "logindelay" value less than "4", this is a finding.

Fix Text (F-16533r294463_fix)
From the command prompt, run the following command to set "logindelay=4" for the default stanza in "/etc/security/login.cfg": # chsec -f /etc/security/login.cfg -s default -a logindelay=4