Test-NetworkConnection.ps1

[CmdletBinding()]
Param (
[Parameter(Mandatory)]
[ValidateScript({Test-Path $_ -PathType Leaf})]
[string]$ConfigurationDataFile
)

Set-StrictMode -Version Latest
$ErrorActionPreference = "SilentlyContinue"


function Get-ConfigurationDataAsObject
{
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory)]
        [Microsoft.PowerShell.DesiredStateConfiguration.ArgumentToConfigurationDataTransformation()]
        [hashtable] $ConfigurationData    
    )
    return $ConfigurationData
}

function Test-NetworkConnection
{
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory)]        
        [string] $ServerName,
        [Parameter(Mandatory)]        
        [int] $Port
    )

    $Socket = New-Object System.Net.Sockets.TcpClient($ServerName, $Port)

    If ($Socket)
    {   $Stream = $Socket.GetStream()
        $Writer = New-Object System.IO.StreamWriter($Stream)
        $Buffer = New-Object System.Byte[] 1024 
        $Encoding = New-Object System.Text.AsciiEncoding
       
  
        #Save all the results
        While($Stream.Available) 
        {   
            $Read = $Stream.Read($Buffer, 0, 1024) 
            $Result += ($Encoding.GetString($Buffer, 0, $Read))
        }

        Write-output "Connection made successfully $($ServerName):$Port"
    }   
    else
    {
        Write-Warning  "Unable to connect to host: $($ServerName):$Port"
    }

    Write-output " "
}

Clear-Host

$ConfigurationData = Get-ConfigurationDataAsObject $ConfigurationDataFile

$ConfigurationData.AllNodes | ForEach-Object {
    
    $server = $_.NodeName
    
    write-output " "
    write-output "*********************************************"
    write-output "Testing connection from Localhost to..."
    write-output $server
    write-output "*********************************************"

    $_.Ports | ForEach-Object {

        Test-NetworkConnection -ServerName $server -Port $_

    }    

}

Use a file similar to the following to test network connectivity.

@{
    AllNodes = @(
        @{
            NodeName = 'Host1'
            Ports = @(80, 443, 445, 5987)
        },        
        @{
            NodeName = 'Host1'
            Ports = @(445, 5985)
        }        
    )
}