Detections
Analytics

1.400 OL09-00-003020

Information

OL 9 must automatically lock an account when three unsuccessful logon attempts occur.

GROUP ID: V-271839
RULE ID: SV-271839r1092229

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.

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

Solution

Configure OL 9 to lock an account when three unsuccessful logon attempts occur.

Add/modify the "/etc/security/faillock.conf" file to match the following line:

deny = 3

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-271839r1092229_rule, STIG-ID|OL09-00-003020, Vuln-ID|V-271839

Plugin: Unix

Control ID: a06699d393c0ce74e7b17bb86d10374a0faf93f9a3355dc181d375868f893dc4