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XCCDF
Virtual Private Network (VPN) Security Requirements Guide
SRG-NET-000518
The VPN Client logout function must be configured to terminate the session on/with the VPN Gateway.
The VPN Client logout function must be configured to terminate the session on/with the VPN Gateway.
An XCCDF Rule
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The VPN Client logout function must be configured to terminate the session on/with the VPN Gateway.
Medium Severity
<VulnDiscussion>If a user cannot explicitly end a session, the session may remain open and be exploited by an attacker; this is referred to as a zombie session. However, for some types of interactive sessions including, for example, remote login, information systems typically send logout messages as final messages prior to terminating sessions. This applies to VPN gateways that have the concept of a user account and have the login function residing on the VPN gateway.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>