InformationAllows the redirection of Printers/Drives/Ports for RDP connections.
The recommended state for this setting is: Disabled.
In a security-sensitive environment, it is desirable to reduce the possible attack surface - preventing the redirection of COM, LPT and PnP ports will reduce the number of unexpected avenues for data exfiltration and/or malicious code transfer within an RDP session.
SolutionTo establish the recommended configuration via GP, set the following UI path to: Disabled.
Computer Configuration\Policies\Windows Settings\Security Settings\System Services\Remote Desktop Services UserMode Port Redirector
Printers, drives and ports (COM, LPT, PnP, etc.) will not be allowed to be redirected inside RDP sessions.