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Control use of the Serial API

Policy ID
DefaultSerialGuardSetting
Scope
Computer Configuration, User Configuration
Supported on
Microsoft Windows 7 or later
Source
Google Chrome Policy Templates (version 156.0.8078.80)
Category
Google › Google Chrome › Content settings

Description

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.

Options

  • Control use of the Serial API
    • Do not allow any site to request access to serial ports via the Serial API
    • Allow sites to ask the user to grant access to a serial port

Registry

ComputerHKEY_LOCAL_MACHINE
HKLM\Software\Policies\Google\ChromeView registry values
  • DefaultSerialGuardSettingREG_DWORD
UserHKEY_CURRENT_USER
HKCU\Software\Policies\Google\ChromeView registry values
  • DefaultSerialGuardSettingREG_DWORD

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