Invoke-PortScan.ps1
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function Invoke-PortScan { param ( [Parameter(Mandatory=$True)] [ValidateNotNullOrEmpty()] [String]$Port, [Parameter(Mandatory=$True)] [ValidateNotNullOrEmpty()] [String]$Subnet, [Parameter(Mandatory=$True)] [ValidateNotNullOrEmpty()] [String]$FirstHost, [Parameter(Mandatory=$True)] [ValidateNotNullOrEmpty()] [String]$LastHost ) $Script:Hosts = Foreach ($i in $FirstHost..$LastHost){ $Subnet.trim(".") + "." + $i } foreach ($i in $Script:Hosts){ Test-NetConnection -RemoteAddress $i -Port $Port } } |