This setting lets you decide whether an employees LocalHost IP address shows while making phone calls using the WebRTC protocol. Turning this setting on hides an employees LocalHost IP address while making phone calls using WebRTC. Turning this setting off, or not configuring it, shows an employees LocalHost IP address while making phone calls using WebRTC. Counter Measure: Configure this setting depending on your organizations requirements. Potential Impact: The users local IP address is hidden. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Microsoft Edge\Dont allow WebRTC to share the LocalHost IP address (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\MicrosoftEdge\Main!HideLocalHostIP