Detections
Analytics

1.279 RHEL-09-411075

Information

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

GROUP ID: V-258054
RULE ID: SV-258054r958736

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 RHEL 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/22008

Item Details

Category: ACCESS CONTROL

References: 800-53|AC-7a., 800-53|AC-7b., CAT|II, CCI|CCI-000044, CCI|CCI-002238, Rule-ID|SV-258054r958736_rule, STIG-ID|RHEL-09-411075, Vuln-ID|V-258054

Plugin: Unix

Control ID: 8973bb0eb7306fe8b0ccf3eb83a5e6dd6799d3e4ddf968caadfe645c51b4f110