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DefaultSerialGuardSetting

Control use of the Serial API - DefaultSerialGuardSetting​

Setting the policy to 3 lets websites ask for access to serial ports. Setting the policy to 2 denies access to serial ports.

Leaving it unset lets websites ask for access, but users can change this setting.

  • 2 = Do not allow any site to request access to serial ports via the Serial API
  • 3 = Allow sites to ask the user to grant access to a serial port

Data Type:

Integer

Supported features:

  • Dynamic Policy Refresh: True
  • Per Profile: True