Information
AlmaLinux OS 9 must automatically lock an account when three unsuccessful logon attempts occur.
GROUP ID: V-269147
RULE ID: SV-269147r1050029
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking the account.
Solution
Configure AlmaLinux OS 9 to lock an account when three unsuccessful logon attempts occur using pam_faillock.
First, enable the feature using the following command:
$ authselect enable-feature with-faillock
Then, add or update the following line in the "/etc/security/faillock.conf" file:
deny = 3