The Juniper router must be configured to enforce the limit of three consecutive invalid logon attempts after which time lock out the user account from accessing the device for 15 minutes.
An XCCDF Rule
Description
<VulnDiscussion>By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-217311r960840_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the router to enforce the limit of three consecutive invalid logon attempts and lock out the user account from accessing the device for 15 minutes as shown in the example below.
[edit system login]
set retry-options tries-before-disconnect 3
set retry-options lockout-period 15