public/Test-CmSiteSystemPorts.ps1

<#
.SYNOPSIS
    Test if Required Ports are open
.DESCRIPTION
    Test if required ports per site system role are open from the local host
.PARAMETER SiteCode
    3-character ConfigMgr Site Code
.PARAMETER PrimaryServer
    ConfigMgr Primary site server or SMS Provider FQDN
.EXAMPLE
    Test-CmSiteSystemPorts -SiteCode "P01" -PrimaryServer "cm01.contoso.local"
.NOTES
.OUTPUTS
#>

function Test-CmSiteSystemPorts {
    [CmdletBinding()]
    param (
        [parameter(Mandatory=$True)][string][ValidateLength(3,3)]$SiteCode,
        [parameter(Mandatory=$True)][string][ValidateNotNullOrEmpty()]$PrimaryServer
    )
    $sitelist = Get-CmSiteSystemPorts -SiteCode $SiteCode -PrimaryServer $PrimaryServer
    Write-Host "this needs more work to control the port queries per direction (inbound/outbound)"
}