Control use of the File System API for reading

Policy ID: DefaultFileSystemReadGuardSetting
Scope: Computer Configuration, User Configuration
Supported on: Microsoft Edge version 86, Windows 7 or later
Source: Microsoft Edge Policy Templates (version 155.0.4283.45)
Category: Microsoft Edge › Content settings

Description

If you set this policy to 3, websites can ask for read access to the host operating system's filesystem using the File System API. If you set this policy to 2, access is denied.

If you don't set this policy, websites can ask for access. Users can change this setting.

Policy options mapping:

* BlockFileSystemRead (2) = Don't allow any site to request read access to files and directories via the File System API

* AskFileSystemRead (3) = Allow sites to ask the user to grant read access to files and directories via the File System API

Use the preceding information when configuring this policy.

Options

Control use of the File System API for reading
- Don't allow any site to request read access to files and directories via the File System API
- Allow sites to ask the user to grant read access to files and directories via the File System API

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Edge View registry values

DefaultFileSystemReadGuardSettingREG_DWORD

UserHKEY_CURRENT_USER

HKCU\Software\Policies\Microsoft\Edge View registry values

DefaultFileSystemReadGuardSettingREG_DWORD

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