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!acl

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The !acl extension formats and displays the contents of an access control list (ACL).

Syntax

!acl Address [Flags]

Parameters

Address

Specifies the hexadecimal address of the ACL.

Flags

Displays the friendly name of the ACL, if the value of Flags is 1. This friendly name includes the security identifier (SID) type and the domain and user name for the SID.

DLL

Exts.dll

Additional Information

For more information about access control lists, see !sid, !sd, and Determining the ACL of an Object. Also, see Microsoft Windows Internals by Mark Russinovich and David Solomon.

Remarks

The following example shows the !acl extension.

kd> !acl e1bf35d4 1
ACL is:
ACL is: ->AclRevision: 0x2
ACL is: ->Sbz1       : 0x0
ACL is: ->AclSize    : 0x40
ACL is: ->AceCount   : 0x2
ACL is: ->Sbz2       : 0x0
ACL is: ->Ace[0]: ->AceType: ACCESS_ALLOWED_ACE_TYPE
ACL is: ->Ace[0]: ->AceFlags: 0x0
ACL is: ->Ace[0]: ->AceSize: 0x24
ACL is: ->Ace[0]: ->Mask : 0x10000000
ACL is: ->Ace[0]: ->SID: S-1-5-21-518066528-515770016-299552555-2981724 (User: MYDOMAIN\myuser)

ACL is: ->Ace[1]: ->AceType: ACCESS_ALLOWED_ACE_TYPE
ACL is: ->Ace[1]: ->AceFlags: 0x0
ACL is: ->Ace[1]: ->AceSize: 0x14
ACL is: ->Ace[1]: ->Mask : 0x10000000
ACL is: ->Ace[1]: ->SID: S-1-5-18 (Well Known Group: NT AUTHORITY\SYSTEM)