PowerShell/check-firewall.md at b1c54049c6187d4cc3f0cdb738ca7087f9a5a51e

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Markus Fleschutz 1cd755a378 Update Markdown manuals

2023-05-26 12:20:18 +02:00

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The check-firewall.ps1 Script

This PowerShell script queries the status of the firewall and prints it.

Parameters

/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.

Example

PS> ./check-firewall
✅ Firewall enabled

Notes

Author: Markus Fleschutz | License: CC0

https://github.com/fleschutz/PowerShell

Source Code

<#
.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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