Title

Terminal Services is not configured to set a time limit for disconnected sessions. (Cat II impact)

Discussion

This setting controls how long a session will remain open if it is unexpectedly terminated. Such sessions should be terminated as soon as possible.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\Windows NT\Terminal Services\ Value Name: MaxDisconnectionTime Type: REG_DWORD Value: 0x0000ea60 (60000)

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services -> Sessions “Set Time Limit for Disconnected Sessions” to “Enabled”, and the “End a disconnected session” to “1 minute".

Additional Identifiers

Rule ID: SV-3457r1_rule

Vulnerability ID: V-3457

Group Title: TS/RDS - Time Limit for Disc. Session

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.