Add-FirewallRules

Adds firewall rules for executables (needs admin rights).

Script

#Requires -RunAsAdministrator

param(
	[string]$PathToExecutables = "",
	[string]$Direction = "Inbound",
	[array]$FirewallProfile  = @("Domain", "Private")
)

try {
	if (-not $PathToExecutables) {
		$PathToExecutables = Read-Host "Enter path to executables"
	}

	$AbsPath = Convert-Path -Path $PathToExecutables
	$Executables = Get-ChildItem -Path $AbsPath -Filter "*.exe"

	if (-not $Executables) {
		Write-Warning "No executables found. No Firewall rules have been created."
		Read-Host "Press Enter to continue..."
		return
	}

	foreach ($exe in $Executables) {
		$exeName = $exe.Name
		$exeFullPath = $exe.FullName

		Write-Output "Adding firewall rule for $exeName"
		New-NetFirewallRule -DisplayName $exeName -Direction $Direction -Program $exeFullPath -Profile $FirewallProfile  -Action Allow
	}

	Write-Host -ForegroundColor Green "Done"
} catch {
	"?? ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

Customize

PathToExecutables string

Specifies the path to the executables.

Direction string

Specifies the direction for the firewall rule. Can be 'Inbound' or 'Outbound'. Default is 'Inbound'.

FirewallProfile array