<# .SYNOPSIS Check the firewall .DESCRIPTION This PowerShell script queries and prints firewall details. .EXAMPLE PS> ./check-firewall ✅ Firewall enabled .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> try { if ($IsLinux) { Write-Host "✅ Firewall " -noNewline & sudo ufw status } else { $enabled = (gp 'HKLM:\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile').EnableFirewall if ($enabled) { Write-Host "✅ Firewall enabled" } else { Write-Host "⚠️ Firewall disabled" } } exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }