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WebRtcUdpPortRange

  • Article

Restrict the range of local UDP ports used by WebRTC

Supported versions

  • On Windows and macOS since 77 or later

Description

Restricts the UDP port range used by WebRTC to a specified port interval (endpoints included).

By configuring this policy, you specify the range of local UDP ports that WebRTC can use.

If you don't configure this policy, or if you set it to an empty string or invalid port range, WebRTC can use any available local UDP port.

Supported features

  • Can be mandatory: Yes
  • Can be recommended: No
  • Dynamic Policy Refresh: No - Requires browser restart
  • Per Profile: Yes
  • Applies to a profile that is signed in with a Microsoft account: No

Data type

  • String

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: WebRtcUdpPortRange
  • GP name: Restrict the range of local UDP ports used by WebRTC
  • GP path (Mandatory): Administrative Templates/Microsoft Edge
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

10000-11999

Registry settings

  • Path (Mandatory): SOFTWARE\Policies\Microsoft\Edge
  • Path (Recommended): N/A
  • Value name: WebRtcUdpPortRange
  • Value type: REG_SZ

Example registry value

10000-11999

Mac information and settings

  • Preference Key name: WebRtcUdpPortRange
  • Example value:
<string>10000-11999</string>

See also