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Enforce upper bound for unlock_time #15104

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jan-cerny merged 2 commits into from
Sep 14, 2026
+7 −0
Merged

Enforce upper bound for unlock_time #15104

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7bffcc1
Enforce upper bound for unlock_time
alanmcanonical Sep 9, 2026
360fd42
Update description too
alanmcanonical Sep 11, 2026
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7 changes: 7 additions & 0 deletions ...ts-pam/locking_out_password_attempts/accounts_passwords_pam_faillock_unlock_time/rule.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,11 @@ description: |-

Ensure that the file <tt>/etc/security/faillock.conf</tt> contains the following entry:
<tt>unlock_time=&lt;interval-in-seconds&gt;</tt> where
{{% if product == 'ubuntu2404' %}}
<tt>interval-in-seconds</tt> is <tt>{{{xccdf_value("var_accounts_passwords_pam_faillock_unlock_time") }}}</tt>.
{{% else %}}
<tt>interval-in-seconds</tt> is <tt>{{{xccdf_value("var_accounts_passwords_pam_faillock_unlock_time") }}}</tt> or greater.
{{% endif %}}

pam_faillock.so module requires multiple entries in pam files. These entries must be carefully
defined to work as expected. In order to avoid any errors when manually editing these files,
Expand Down Expand Up @@ -108,3 +112,6 @@ template:
ext_variable: var_accounts_passwords_pam_faillock_unlock_time
description: The unlock time after number of failed logins should be set correctly.
variable_lower_bound: use_ext_variable
{{% if product == 'ubuntu2404' %}}
variable_upper_bound: use_ext_variable
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{{% endif %}}
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