Detections
Analytics

1.317 OL09-00-002416

Information

OL 9 must automatically lock an account when three unsuccessful logon attempts occur during a 15-minute time period.

GROUP ID: V-271754
RULE ID: SV-271754r1184208

By limiting the number of failed logon attempts the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.

Satisfies: SRG-OS-000329-GPOS-00128, SRG-OS-000021-GPOS-00005

Solution

Configure OL 9 to lock out the "root" account after a number of incorrect login attempts within 15 minutes using "pam_faillock.so" by enabling the feature using the following command:

$ sudo authselect enable-feature with-faillock

Then edit the "/etc/security/faillock.conf" file as follows:

fail_interval = 900

See Also

https://workbench.cisecurity.org/benchmarks/27024

Item Details

Category: ACCESS CONTROL

References: 800-53|AC-7a., 800-53|AC-7b., CCI|CCI-000044, CCI|CCI-002238, Rule-ID|SV-271754r1184208_rule, STIG-ID|OL09-00-002416, Vuln-ID|V-271754

Plugin: Unix

Control ID: 036cd1a4f4df449b6635f19b2d6caeb09bd4fd52bb530b306de5f7565b711ce6