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F5 BIG-IP Access Policy Manager Security Technical Implementation Guide
SRG-NET-000519-ALG-000008
The BIG-IP APM module access policy profile must be configured to display an explicit logoff message to users, indicating the reliable termination of authenticated communications sessions when disconnecting from virtual servers.
The BIG-IP APM module access policy profile must be configured to display an explicit logoff message to users, indicating the reliable termination of authenticated communications sessions when disconnecting from virtual servers. An XCCDF Rule
The BIG-IP APM module access policy profile must be configured to display an explicit logoff message to users, indicating the reliable termination of authenticated communications sessions when disconnecting from virtual servers.
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. Users need to be aware of whether or not the session has been terminated.
Logoff messages for access, for example, can be displayed after authenticated sessions have been terminated. However, for some types of interactive sessions, including, for example, remote logon, information systems typically send logoff messages as final messages prior to terminating sessions.
This policy only applies to ALGs (e.g., identity management or authentication gateways) that provide user account services as part of the intermediary services.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>