Terminal Services is not configured to limit the number of connections.

From Windows 2003 Member Server Security Technical Implementation Guide

Part of Terminal Services - Limit Number of Connections

Associated with IA controls: ECSC-1

SV-3450r1_rule Terminal Services is not configured to limit the number of connections.

Vulnerability discussion

This setting limits the number of simultaneous connections allowed to the terminal server. By default, unlimited connections are allowed. Allowing unlimited connections allows a potential DoS attack. The number of incoming connections should be limited to one.

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Fix text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services “Limit Number of Connections” to “Enabled”, and the value “TS maximum connections allowed” to no more than “1”.

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