This PowerShell script queries the status of the firewall and prints it.
/home/mf/Repos/PowerShell/Scripts/check-firewall.ps1 [<CommonParameters>]
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
PS> ./check-firewall
✅ Firewall enabled
Author: Markus Fleschutz | License: CC0
https://github.com/fleschutz/PowerShell
<#
.SYNOPSIS
Checks the firewall status
.DESCRIPTION
This PowerShell script queries the status of the firewall and prints it.
.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
}
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