cliHelper.core

0.2.1

Public/Network/Security/Close-Port.ps1

function Close-Port {
  [OutputType([Nullable])]
  param(
    # The port numbers to close
    [Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
    [Uint32[]]$Port,
    # The protocol to close. The Default is TCP.
    [string[]]$Protocol = 'TCP'
  )

  process {
    #region Initialize Profile
    $firewall = New-Object -ComObject HNetCfg.FwMgr
    $firewallProfile = $firewall.localpolicy.currentprofile
    #endregion Initialize Profile

    #region Close Each Port
    foreach ($p in $port) {
      $toClose = $firewallProfile.GloballyOpenPorts |
        Where-Object { $_.Port -eq $p }
      if ($protocol -eq 'TCP') {
        $firewallProfile.GloballyOpenPorts.Remove($toClose, 6)
      } elseif ($protocol -eq 'UDP') {
        $firewallProfile.GloballyOpenPorts.Remove($toClose, 17)
      }
    }
  }
}