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BlockTruncatedCookies

Block truncated cookies (obsolete)

OBSOLETE: This policy is obsolete and doesn't work after Microsoft Edge version 131.

Supported versions

  • On Windows and macOS since 123, until 131

Description

This policy provides a temporary opt-out for changes to how Microsoft Edge handles cookies set via JavaScript that contain certain control characters (NULL, carriage return, and line feed). Previously, the presence of any of these characters in a cookie string would cause it to be truncated but still set. Now, the presence of these characters will cause the whole cookie string to be ignored.

If you enable or don't configure this policy, the new behavior is enabled.

If you disable this policy, the old behavior is enabled.

This policy is obsolete because this policy was originally implemented as a safety measure in case of breakage, but none have been reported.

Supported features

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

Data type

  • Boolean

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: BlockTruncatedCookies
  • GP name: Block truncated cookies (obsolete)
  • GP path (Mandatory): Administrative Templates/Microsoft Edge/Network settings
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

Disabled

Registry settings

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

Example registry value

0x00000000

Mac information and settings

  • Preference Key name: BlockTruncatedCookies
  • Example value:
<false/>

See also