<#

.Synopsis
Change FOLDER permission for Authenticated User

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.Description

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.Version

#>

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#Declares Inheritance
$inherNone = [System.Security.AccessControl.InheritanceFlags]::None
$propNone = [System.Security.AccessControl.PropagationFlags]::None

$inherCnIn = [System.Security.AccessControl.InheritanceFlags]::ContainerInherit
$propInOn = [System.Security.AccessControl.PropagationFlags]::InheritOnly

$inherObIn = [System.Security.AccessControl.InheritanceFlags]::ObjectInherit
$propNoPr = [System.Security.AccessControl.PropagationFlags]::NoPropagateInherit

 

#Declare Auth User

$user = "Authenticated users"

#Path to Folder
$path = "C:\SomeFolder"

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#Return current permissions

(get-acl C:\SomeFolder).Access 

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#Removes Inheritance
$aclInh = get-acl $path
$aclInh.SetAccessRuleProtection($true,$true)
Set-Acl $path $aclInh

​

#Remove Permissions 

$getAcl = Get-Acl $path
$fileAcc = New-Object System.Security.AccessControl.FileSystemAccessRule("$User","FULL","$inherCnIn ,$inherObIn","None","Allow")
$getAcl.SetAccessRule($fileAcc)
$getAcl.removeAccessRuleAll($fileAcc)
Set-Acl $path $getAcl

#Add Permissions
$getAcl = Get-Acl $path
$fileAcc = New-Object System.Security.AccessControl.FileSystemAccessRule("$user","READ","$inherCnIn,$inherObIn", "None","Allow")
$getAcl.SetAccessRule($fileAcc)
Set-Acl $path $getAcl

​

 

#Add a DENY permission
$getAcl = Get-Acl $path
$fileAcc = New-Object System.Security.AccessControl.FileSystemAccessRule("$user","READ","$inherCnIn,$inherObIn","None","deny")
$getAcl.SetAccessRule($fileAcc)
Set-Acl $path $getAcl