Information
This policy setting specifies a list of URLs or patterns which local IP address will be exposed by WebRTC.
The recommended state for this setting is: Disabled.
Note: If this policy is enabled, disabled, or not configured, and edge://flags/#enable-webrtc-hide-local-ips-with-mdns is Disabled, WebRTC will expose local IP addresses.
Enabling this setting and allowing exposure of IP addresses can allow an attacker to gather information about the internal network that could potentially be utilized to breach and traverse a network.
Solution
To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Disabled :
Microsoft Edge\Manage exposure of local IP addressess by WebRTC
Impact:
None - this is the default behavior.