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XCCDF
Oracle Linux 8 Security Technical Implementation Guide
SRG-OS-000021-GPOS-00005
SRG-OS-000021-GPOS-00005
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-OS-000021-GPOS-00005
1 Rule
<GroupDescription></GroupDescription>
OL 8 systems below version 8.2 must automatically lock an account when three unsuccessful logon attempts occur.
Medium Severity
<VulnDiscussion>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. OL 8 can use the "pam_faillock.so" for this purpose. Note that manual changes to the listed files may be overwritten by the "authselect" program. From "Pam_Faillock" man pages: Note that the default directory that "pam_faillock" uses is usually cleared on system boot so the access will be reenabled after system reboot. If that is undesirable, a different tally directory must be set with the "dir" option. Satisfies: SRG-OS-000021-GPOS-00005, SRG-OS-000329-GPOS-00128</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>