Control use of the File System API for reading

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.

Støttes av: Microsoft Edge version 86, Windows 7 or later

Control use of the File System API for reading


  1. Don't allow any site to request read access to files and directories via the File System API
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Edge
    Value NameDefaultFileSystemReadGuardSetting
    Value TypeREG_DWORD
    Value2
  2. Allow sites to ask the user to grant read access to files and directories via the File System API
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Edge
    Value NameDefaultFileSystemReadGuardSetting
    Value TypeREG_DWORD
    Value3


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