Test-OpenPort.psm1
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function Test-OpenPort { <# .SYNOPSIS Test-OpenPort is an advanced Powershell function. Test-OpenPort acts like a port scanner. .DESCRIPTION Uses Test-NetConnection. Define multiple targets and multiple ports. .PARAMETER Target Define the target by hostname or IP-Address. Separate them by comma. Default: localhost .PARAMETER Port Mandatory. Define the TCP port. Separate them by comma. .EXAMPLE Test-OpenPort -Target sid-500.com,cnn.com,10.0.0.1 -Port 80,443 .NOTES Author: Patrick Gruenauer Web: https://sid-500.com .LINK None. .INPUTS None. .OUTPUTS None. #> [CmdletBinding()] param ( [Parameter(Position=0)] $Target='localhost', [Parameter(Mandatory=$true, Position=1, Helpmessage = 'Enter Port Numbers. Separate them by comma.')] $Port ) $result=@() foreach ($i in $Target) { foreach ($p in $Port) { $a=Test-NetConnection -ComputerName $i -Port $p -WarningAction SilentlyContinue $result+=New-Object -TypeName PSObject -Property ([ordered]@{ 'Target'=$a.ComputerName; 'RemoteAddress'=$a.RemoteAddress; 'Port'=$a.RemotePort; 'Status'=$a.tcpTestSucceeded }) } } Write-Output $result } |