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Symantec ProxySG ALG Security Technical Implementation Guide
SRG-NET-000213-ALG-000107
Symantec ProxySG must terminate all network connections associated with a communications session at the end of the session or terminate user sessions (nonprivileged session) after 15 minutes of inactivity.
Symantec ProxySG must terminate all network connections associated with a communications session at the end of the session or terminate user sessions (nonprivileged session) after 15 minutes of inactivity. An XCCDF Rule
Symantec ProxySG must terminate all network connections associated with a communications session at the end of the session or terminate user sessions (nonprivileged session) after 15 minutes of inactivity.
High Severity
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended. In addition, quickly terminating an idle session will also free up resources committed by the ProxySG.
Terminating network connections associated with communications sessions includes, for example, deallocating associated TCP/IP address/port pairs at the operating system level and deallocating networking assignments at the application level if multiple application sessions are using a single operating system level network connection.
ALGs may provide session control functionality as part of content filtering, load balancing, or proxy services. Symantec ProxySG manages sessions automatically and terminates them once they become idle. The idle period is governed by parameters such as the TCP segment lifetime (default is 120 seconds) and authentication credential inactivity timeout (default is 900 seconds for all authentication types).</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>