The amount of idle time required before suspending a session must be configured to 15 minutes or less.

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The amount of idle time required before suspending a session must be configured to 15 minutes or less.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-63715	WN10-SO-000115	SV-78205r1_rule		Low

Description
Open sessions can increase the avenues of attack on a system. This setting is used to control when a computer disconnects an inactive SMB session. If client activity resumes, the session is automatically re-established. This protects critical and sensitive network data from exposure to unauthorized personnel with physical access to the computer.

STIG	Date
Windows 10 Security Technical Implementation Guide	2018-04-06

Details

Check Text ( C-64463r1_chk )
If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SYSTEM\CurrentControlSet\Services\LanManServer\Parameters\ Value Name: autodisconnect Value Type: REG_DWORD Value: 0x0000000f (15) (or less)

Fix Text (F-69643r1_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Microsoft network server: Amount of idle time required before suspending session" to "15" minutes or less.