Close-Port.ps1
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function Close-Port { <# .Synopsis Opens ports on the Windows Firewall .Description Opens ports on the Windows Firewall on the local machine .Example Close-Port 500 .Link Open-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) } } #endregion Close Each Port } } |