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VID 27080
Severity 30
Port 135
Protocol TCP
Class WMI
Detailed Description Sometimes, session is closed automatically for security from web server if there isn't any events on the user's browser when using web service. So you should set timeout for closing session, when It doesn't make any event for some time after connecting terminal by remote control like this way.

* Platforms Affected:
Microsoft Windows Any version
Recommendation 1. Start> Run> tscc.msc (Windows 2008 - tsconfig.msc)
2. RDP-Tcp connection> Right click > Properties
3. Session Tab> Check "Override user settings" and Set "Idle session time"

[Windows Server 2012, 2016, 2019]
1. Run> gpedit.msc
2. Local Computer Policy -> Computer Configuration -> Windows Components -> Terminal Services -> Remote Desktop Top Session Host -> Session Timeout
3. Check "Override user settings" and Set "Idle session time"
Related URL (CVE)
Related URL (SecurityFocus)
Related URL (ISS)