Function Remove-FTPSite
{
Param ($FTPUsername, $LogDir)
 
	If ($FTPUsername -eq $null)
	{
		Write-Host FTP Username is null
	}
	Else
	{
		$FTPUsername = ($FTPUsername.Split("\")[1])
		Remove-Item IIS:\Sites\".Default FTP Site"\$FTPUserDir\$FTPUsername -Recurse
	}
}

Function Remove-AppPool
{
Param ($AppPool)
 
	Remove-Item IIS:\AppPools\$AppPool -Recurse
}

Function Remove-WebSite
{
Param ($Description)
 
	Remove-Item IIS:\Sites\$Description -Recurse
}

Function Set-W3CLogging
{
Param ($LogDir, $Description)
 
	Set-ItemProperty IIS:\Sites\$Description -Name LogFile.Directory -Value "$LogDir"
}

Function Suspend-WebSite
{
Param ($Description, $Status, $Redirect)
 
    Set-WebConfiguration -Filter /System.WebServer/HttpRedirect -value (@{Enabled="$Status"; Destination="$Redirect"}) -PSPath IIS:\ -Location $Description
}

Function Modify-HttpErrors
{
Param ($Description, $StatusCode, $Path, $ResponseMode, $Action)
 
    If ($Action -eq "Add")
    {
        Set-WebConfiguration -Filter /System.WebServer/HttpErrors/Error[@StatusCode=$StatusCode] -Value @{PrefixLanguageFilePath="$Null"; Path="$Path"; ResponseMode="$ResponseMode"} -PSPath IIS:\ -Location $Description
    }
 
    If ($Action -eq "Remove")
    {
    	Set-WebConfiguration -Filter /System.WebServer/HttpErrors/Error[@StatusCode=$StatusCode] -Value @{PrefixLanguageFilePath="%SystemDrive%\inetpub\custerr"; Path="$StatusCode.html"; ResponseMode="File"} -PSPath IIS:\ -Location $Description
    }
 
    If ($Action -eq "Restore")
    {
    	Clear-WebConfiguration -Filter /System.WebServer/HttpErrors/Error -PSPath IIS:\ -Location $Description
    }
}

Function Set-ReadOnlyFTP
{
Param ($FTPUsername, $ACLRule, $Path)
 
    If ($ACLRule -eq "ReadOnly")
    {
	    $Account = New-Object System.Security.Principal.NtAccount("$FTPUsername")
	    $ACL = Get-Acl -Path "$Path"
	    $Permission = "$Account","ReadAndExecute","ContainerInherit,ObjectInherit","None","Allow"
	    $AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule $Permission
	    $ACL.SetAccessRule($AccessRule)
            $ACL | Set-Acl "$Path"
    }
 
    If ($ACLRule -eq "Modify")
    {
	    $Account = New-Object System.Security.Principal.NtAccount("$FTPUsername")
	    $ACL = Get-Acl -Path "$Path"
	    $Permission = "$Account","Modify","ContainerInherit,ObjectInherit","None","Allow"
	    $AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule $Permission
	    $ACL.SetAccessRule($AccessRule)
            $ACL | Set-Acl "$Path"
    }
}